slack.engineering Open in urlscan Pro
192.0.66.216 Public Scan

Go To Rescan
Add Verdict Report

Submitted URL:
http://slack.engineering/
Effective URL:
https://slack.engineering/
Submission: On September 29 via api (September 29th 2023, 9:17:34 am UTC) from GB — Scanned from GB

Summary HTTP 45 Redirects Links 8 Behaviour Indicators

Summary

This website contacted 11 IPs in 3 countries across 10 domains to perform 45 HTTP transactions. The main IP is 192.0.66.216, located in San Francisco, United States and belongs to AUTOMATTIC, US. The main domain is slack.engineering.
TLS certificate: Issued by R3 on August 30th 2023. Valid for: 3 months.

This is the only time slack.engineering was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 29	192.0.66.216 192.0.66.216	2635 (AUTOMATTIC) (AUTOMATTIC)
1	2a00:1450:400... 2a00:1450:4001:82b::2008	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:81c::200a	15169 (GOOGLE) (GOOGLE)
4	192.0.76.3 192.0.76.3	2635 (AUTOMATTIC) (AUTOMATTIC)
3	108.138.7.78 108.138.7.78	16509 (AMAZON-02) (AMAZON-02)
2	2a00:1450:400... 2a00:1450:4001:831::2003	15169 (GOOGLE) (GOOGLE)
2	2a00:1450:400... 2a00:1450:4001:82f::200e	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:400c:c02::9c	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:810::2004	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:812::2003	15169 (GOOGLE) (GOOGLE)
45	11

29 192.0.66.216 (San Francisco, United States) 1 redirects

ASN2635 (AUTOMATTIC, US)

slack.engineering	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:82b::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.googletagmanager.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:81c::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

fonts.googleapis.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 192.0.76.3 (San Francisco, United States)

ASN2635 (AUTOMATTIC, US)

stats.wp.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
pixel.wp.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 108.138.7.78 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-108-138-7-78.fra56.r.cloudfront.net

a.slack-edge.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:4001:831::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

fonts.gstatic.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:4001:82f::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.google-analytics.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:400c:c02::9c (Brussels, Belgium)

ASN15169 (GOOGLE, US)

stats.g.doubleclick.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:810::2004 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.google.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:812::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.google.de	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
29	slack.engineering 1 redirects slack.engineering	2 MB
4	wp.com stats.wp.com — Cisco Umbrella Rank: 3500 pixel.wp.com — Cisco Umbrella Rank: 3212	7 KB
3	slack-edge.com a.slack-edge.com — Cisco Umbrella Rank: 6397	139 KB
2	google-analytics.com www.google-analytics.com — Cisco Umbrella Rank: 96	21 KB
2	gstatic.com fonts.gstatic.com	46 KB
1	google.de www.google.de — Cisco Umbrella Rank: 3974	408 B
1	google.com www.google.com — Cisco Umbrella Rank: 11	408 B
1	doubleclick.net stats.g.doubleclick.net — Cisco Umbrella Rank: 175	350 B
1	googleapis.com fonts.googleapis.com — Cisco Umbrella Rank: 113	831 B
1	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 111	73 KB
45	10

	Domain	Requested by
29	slack.engineering	1 redirects slack.engineering
3	a.slack-edge.com	slack.engineering
2	pixel.wp.com	slack.engineering
2	www.google-analytics.com	www.googletagmanager.com www.google-analytics.com
2	fonts.gstatic.com	fonts.googleapis.com
2	stats.wp.com	slack.engineering
1	www.google.de	slack.engineering
1	www.google.com	slack.engineering
1	stats.g.doubleclick.net	www.google-analytics.com
1	fonts.googleapis.com	slack.engineering
1	www.googletagmanager.com	slack.engineering
45	11

This site contains links to these domains. Also see Links.

Domain
twitter.com
slack.com
github.com
www.youtube.com
www.linkedin.com
jetpack.com

Subject Issuer	Validity	Valid
slack.engineering R3	`2023-08-30` - `2023-11-28`	3 months	crt.sh
*.google-analytics.com GTS CA 1C3	`2023-09-04` - `2023-11-27`	3 months	crt.sh
upload.video.google.com GTS CA 1C3	`2023-09-04` - `2023-11-27`	3 months	crt.sh
*.wp.com Sectigo ECC Domain Validation Secure Server CA	`2022-11-14` - `2023-12-15`	a year	crt.sh
slack-edge.com R3	`2023-08-28` - `2023-11-26`	3 months	crt.sh
*.gstatic.com GTS CA 1C3	`2023-09-04` - `2023-11-27`	3 months	crt.sh
*.g.doubleclick.net GTS CA 1C3	`2023-09-04` - `2023-11-27`	3 months	crt.sh
www.google.com GTS CA 1C3	`2023-09-04` - `2023-11-27`	3 months	crt.sh
www.google.de GTS CA 1C3	`2023-09-04` - `2023-11-27`	3 months	crt.sh

This page contains 1 frames:

Primary Page: https://slack.engineering/
Frame ID: 027F5002D3D20D9D936137DF1D511A76
Requests: 47 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Slack Engineering -Magnifying GlassClose search results

Page URL History Show full URLs

http://slack.engineering/ HTTP 301
https://slack.engineering/ Page URL

Detected technologies

WordPress (CMS) Expand

Overall confidence: 100%
Detected patterns

<link rel=["']stylesheet["'] [^>]+/wp-(?:content|includes)/
/wp-(?:content|includes)/

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

google-analytics\.com/(?:ga|urchin|analytics)\.js

Google Font API (Font Scripts) Expand

Overall confidence: 100%
Detected patterns

<link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com

Google Tag Manager (Tag Managers) Expand

Overall confidence: 100%
Detected patterns

googletagmanager\.com/gtm\.js

Page Statistics

45
Requests

98 %
HTTPS

70 %
IPv6

10
Domains

11
Subdomains

11
IPs

3
Countries

1967 kB
Transfer

3177 kB
Size

4
Cookies

8 Outgoing links

These are links going to different origins than the main page.

URL: https://twitter.com/SlackEng
Title: @SlackEng how can I stay up-to-date on what's happening over there? Follow us on Twitter

Search URL Search Domain Scan URL

URL: https://slack.com/

Search URL Search Domain Scan URL

URL: https://twitter.com/slackhq

Search URL Search Domain Scan URL

URL: https://github.com/slackhq

Search URL Search Domain Scan URL

URL: https://www.youtube.com/channel/UCY3YECgeBcLCzIrFLP4gblw

Search URL Search Domain Scan URL

URL: https://www.linkedin.com/company/tiny-spec-inc/

Search URL Search Domain Scan URL

URL: https://slack.com/cookie-policy?nc=1
Title: Click to learn more.

Search URL Search Domain Scan URL

URL: https://jetpack.com/upgrade/search/?utm_source=poweredby
Title: Search powered by Jetpack

Search URL Search Domain Scan URL

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

http://slack.engineering/ HTTP 301
https://slack.engineering/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

45 HTTP transactions
2 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H2

200

Primary Request / Show response
slack.engineering/
Redirect Chain

http://slack.engineering/
https://slack.engineering/

58 KB
14 KB

129ms
42ms

Document
text/html

192.0.66.216
AUTOMATTIC

General

Check archive.org

Show headers Download Go to

Full URL

https://slack.engineering/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

192.0.66.216 San Francisco, United States, ASN2635 (AUTOMATTIC, US),

Reverse DNS

Software

nginx / WordPress VIP <https://wpvip.com>

Resource Hash

bb570d50776522e789f01e3bd3290f10e7958dd3e1ea3708fba1a0c555946c37

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000
X-Frame-Options	ALLOW-FROM https://slack.com/
X-Xss-Protection	0

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36
accept-language: en-GB,en;q=0.9

Response headers

accept-ranges: bytes
age: 1234
cache-control: max-age=300, must-revalidate
content-encoding: gzip
content-length: 13750
content-type: text/html; charset=UTF-8
date: Fri, 29 Sep 2023 09:17:29 GMT
host-header: a9130478a60e5f9135f765b23f26593b
link: <https://slack.engineering/wp-json/>; rel="https://api.w.org/"
server: nginx
strict-transport-security: max-age=31536000
vary: Accept-Encoding
x-cache: hit
x-frame-options: ALLOW-FROM https://slack.com/
x-powered-by: WordPress VIP <https://wpvip.com>
x-rq: lhr4 111 254 443
x-xss-protection: 0

Redirect headers

Connection: keep-alive
Content-Length: 162
Content-Type: text/html
Date: Fri, 29 Sep 2023 09:17:28 GMT
Location: https://slack.engineering/
Server: nginx

GET
H2 200 gtm.js Show response
www.googletagmanager.com/ 203 KB
73 KB 184ms
71ms Script
application/javascript 2a00:1450:4001:82b::2008
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.googletagmanager.com/gtm.js?id=GTM-MSWLN9K

Requested by

Host: slack.engineering
URL: https://slack.engineering/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:82b::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Tag Manager /

Resource Hash

225d2a42bfcb2c5d908414fce80ce837c46ac473e14eb8e3587ec95278697285

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Xss-Protection	0

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://slack.engineering/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date: Fri, 29 Sep 2023 09:17:29 GMT
content-encoding: br
strict-transport-security: max-age=31536000; includeSubDomains
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 74358
x-xss-protection: 0
last-modified: Fri, 29 Sep 2023 09:00:00 GMT
server: Google Tag Manager
vary: Accept-Encoding
content-type: application/javascript; charset=UTF-8
access-control-allow-origin: *
cache-control: private, max-age=900
access-control-allow-credentials: true
access-control-allow-headers: Cache-Control
expires: Fri, 29 Sep 2023 09:17:29 GMT

GET
H2 200 /
slack.engineering/_static/ 117 KB
17 KB 43ms
42ms Stylesheet
text/css 192.0.66.216
AUTOMATTIC

General

Check archive.org

Show headers Download Go to

Full URL

https://slack.engineering/_static/??-eJyNjkEOwjAMBD9EaiHUQg+It6SOVRmcNIpdofyeNqf2xnG0O9LANztOKGsgBVSFwGowyYIfJzwVXyqoVaEucuq2wwWOxlshUmBPQpGSnSCLr1Sc0Oyx/qdv25FPEi7J9k+WdeakkAtr9MbYslujuhauu/OKz+sw9rfx3j+GH1QuVb8=

Requested by

Host: slack.engineering
URL: https://slack.engineering/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

192.0.66.216 San Francisco, United States, ASN2635 (AUTOMATTIC, US),

Reverse DNS

Software

nginx /

Resource Hash

bd530a6baf9d03287d633db62af5b412c352481ea92c07fa42b714cb45c446f8

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://slack.engineering/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date: Fri, 29 Sep 2023 09:17:29 GMT
content-encoding: gzip
strict-transport-security: max-age=31536000
last-modified: Fri, 22 Sep 2023 15:46:26 GMT
server: nginx
x-rq: lhr4 111 253 443
vary: Accept-Encoding
x-cache: HIT
content-type: text/css;charset=utf-8
cache-control: max-age=31536000

GET
BLOB 200
OK 99c6b1fe-4063-464e-8a46-1f7a21ae0826
https://slack.engineering/ 1 KB
0 Other
text/javascript

General

Check archive.org

Show headers Download Go to

Full URL: blob:https://slack.engineering/99c6b1fe-4063-464e-8a46-1f7a21ae0826
Requested by: Host: slack.engineering
URL: https://slack.engineering/
Protocol: BLOB
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: 453cb806084fdabec32e286af2e88899f79022125c2527afffbec507975d2c22

Request headers

accept-language: en-GB,en;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

Content-Length: 1245
Content-Type: text/javascript

GET
H2 200 css2
fonts.googleapis.com/ 1 KB
831 B 175ms
62ms Stylesheet
text/css 2a00:1450:4001:81c::200a
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://fonts.googleapis.com/css2?family=Lato%3Awght%40400%3B900&display=swap&ver=6.3.1

Requested by

Host: slack.engineering
URL: https://slack.engineering/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:81c::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

ESF /

Resource Hash

236896d9cd2d09d10fd9e7e7686c6dceeef89bfce958cda9d9f909b7c0d718ed

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	0

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://slack.engineering/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

strict-transport-security: max-age=31536000
date: Fri, 29 Sep 2023 09:17:29 GMT
content-encoding: gzip
x-content-type-options: nosniff
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection: 0
last-modified: Fri, 29 Sep 2023 07:26:22 GMT
server: ESF
cross-origin-opener-policy: same-origin-allow-popups
x-frame-options: SAMEORIGIN
content-type: text/css; charset=utf-8
access-control-allow-origin: *
cache-control: private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin: *
link: <https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires: Fri, 29 Sep 2023 09:17:29 GMT

GET
H2 200 /
slack.engineering/_static/ 733 KB
100 KB 59ms
58ms Stylesheet
text/css 192.0.66.216
AUTOMATTIC

General

Check archive.org

Show headers Download Go to

Full URL

https://slack.engineering/_static/??/wp-content/themes/blog-eng/dist/styles/main.css,/wp-content/mu-plugins/jetpack-12.6/css/jetpack.css?m=1695938904

Requested by

Host: slack.engineering
URL: https://slack.engineering/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

192.0.66.216 San Francisco, United States, ASN2635 (AUTOMATTIC, US),

Reverse DNS

Software

nginx /

Resource Hash

75f9f56b10c39a71fea0652029e725bb1e6f3f90771a4cd7a500261307d17237

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://slack.engineering/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date: Fri, 29 Sep 2023 09:17:29 GMT
content-encoding: gzip
strict-transport-security: max-age=31536000
last-modified: Thu, 28 Sep 2023 22:08:24 GMT
server: nginx
x-rq: lhr4 111 253 443
vary: Accept-Encoding
x-cache: HIT
content-type: text/css;charset=utf-8
cache-control: max-age=31536000

GET
H2 200 / Show response
slack.engineering/_static/ 35 KB
12 KB 59ms
59ms Script
application/javascript 192.0.66.216
AUTOMATTIC

General

Check archive.org

Show headers Download Go to

Full URL

https://slack.engineering/_static/??-eJzTLy/QzcxLzilNSS3WzyrWT8ksLtEvS81LyS/SB0oV5OdUpmXm5ADVpBaV6OVm5ullFevo49FUlJqeClSbWJJfpFtUmleSmZtKjDYku/Aqz8jPzy6GqrDPtTU0szQ1tjQ3tTDLAgApj0o+

Requested by

Host: slack.engineering
URL: https://slack.engineering/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

192.0.66.216 San Francisco, United States, ASN2635 (AUTOMATTIC, US),

Reverse DNS

Software

nginx /

Resource Hash

63a6e8492ef4a25dbc3cec05b48754106393f5da7caa710943ba812114be451a

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://slack.engineering/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date: Fri, 29 Sep 2023 09:17:29 GMT
content-encoding: gzip
strict-transport-security: max-age=31536000
last-modified: Fri, 22 Sep 2023 15:46:26 GMT
server: nginx
x-rq: lhr4 111 253 443
vary: Accept-Encoding
x-cache: HIT
content-type: application/javascript
cache-control: max-age=31536000

GET
H2 200 i18n.min.js Show response
slack.engineering/wp-includes/js/dist/ 9 KB
4 KB 94ms
94ms Script
application/javascript 192.0.66.216
AUTOMATTIC

General

Check archive.org

Show headers Download Go to

Full URL

https://slack.engineering/wp-includes/js/dist/i18n.min.js?ver=7701b0c3857f914212ef

Requested by

Host: slack.engineering
URL: https://slack.engineering/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

192.0.66.216 San Francisco, United States, ASN2635 (AUTOMATTIC, US),

Reverse DNS

Software

nginx /

Resource Hash

698e93fe491cc7bbf07a470579a33dbd0db53c19142b7be41ebfd39a23aef11f

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://slack.engineering/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date: Fri, 29 Sep 2023 09:17:29 GMT
content-encoding: gzip
strict-transport-security: max-age=31536000
last-modified: Fri, 22 Sep 2023 15:46:26 GMT
server: nginx
x-rq: lhr4 111 253 443
etag: W/"650db6d2-24e5"
vary: Accept-Encoding
x-cache: HIT
content-type: application/javascript
cache-control: max-age=31536000

GET
H2 200 i18n-loader.js Show response
slack.engineering/wp-content/mu-plugins/jetpack-12.6/jetpack_vendor/automattic/jetpack-assets/build/ 6 KB
2 KB 95ms
94ms Script
application/javascript 192.0.66.216
AUTOMATTIC

General

Check archive.org

Show headers Download Go to

Full URL

https://slack.engineering/wp-content/mu-plugins/jetpack-12.6/jetpack_vendor/automattic/jetpack-assets/build/i18n-loader.js?minify=true&ver=e69db286c9c94bd98790

Requested by

Host: slack.engineering
URL: https://slack.engineering/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

192.0.66.216 San Francisco, United States, ASN2635 (AUTOMATTIC, US),

Reverse DNS

Software

nginx /

Resource Hash

1767a65cf7f2309bd57b6e0a0b05c7333ddb92ff0d59493bf6d26bb2b16ff728

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://slack.engineering/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date: Fri, 29 Sep 2023 09:17:29 GMT
content-encoding: gzip
strict-transport-security: max-age=31536000
last-modified: Thu, 28 Sep 2023 18:11:32 GMT
server: nginx
x-rq: lhr4 111 254 443
etag: W/"6515c1d4-17ad"
vary: Accept-Encoding
x-cache: HIT
content-type: application/javascript
cache-control: max-age=31536000

GET
H2 200 / Show response
slack.engineering/_static/ 99 KB
34 KB 95ms
94ms Script
application/javascript 192.0.66.216
AUTOMATTIC

General

Check archive.org

Show headers Download Go to

Full URL

https://slack.engineering/_static/??-eJzTLy/QzcxLzilNSS3WzwKiwtLUokoopZebmaeXVayjj0+Rbm5melFiSSpUsX2uraGZpamxpbmphVkWAK/fIjM=

Requested by

Host: slack.engineering
URL: https://slack.engineering/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

192.0.66.216 San Francisco, United States, ASN2635 (AUTOMATTIC, US),

Reverse DNS

Software

nginx /

Resource Hash

ea15eb7f6c01551306baad1fc7ceab62fa63a26cba6c52acb925e9dc1537637c

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://slack.engineering/
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Full URL: https://a.slack-edge.com/80588/spacesuit/source/fonts/larsseit/larsseit-regular.woff2
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AUTOMATTIC

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Full URL

https://slack.engineering/wp-content/uploads/sites/7/2023/08/plant-cells.jpg?resize=640,361

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Full URL

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Protocol

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AUTOMATTIC

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Full URL

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AUTOMATTIC

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Full URL

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Protocol

Security

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AUTOMATTIC

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Full URL

https://slack.engineering/wp-content/uploads/sites/7/2023/09/carl-newton-51i8H6H10dI-unsplash.jpg?w=160&h=160&crop=1

Requested by

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Protocol

Security

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Server

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44 KB 104ms
99ms Image
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AUTOMATTIC

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Full URL

https://slack.engineering/wp-content/uploads/sites/7/2023/08/cover-image.png?w=160&h=160&crop=1

Requested by

Host: slack.engineering
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Protocol

Security

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Server

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AUTOMATTIC

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Full URL

https://slack.engineering/wp-content/uploads/sites/7/2023/08/plant-cells.jpg?w=160&h=160&crop=1

Requested by

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Protocol

Security

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Server

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Response headers

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21 KB 175ms
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GOOGLE

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Full URL

https://www.google-analytics.com/analytics.js

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Host: www.googletagmanager.com
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Protocol

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GOOGLE

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Full URL

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75 B 50ms
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AUTOMATTIC

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Full URL: https://pixel.wp.com/g.gif?x_stats-initial-visibility=visible&v=wpcom-no-pv&rand=0.272113797744423
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Response headers

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GET
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AUTOMATTIC

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accept-language: en-GB,en;q=0.9
Referer: https://slack.engineering/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

access-control-allow-origin: *
date: Fri, 29 Sep 2023 09:17:29 GMT
cache-control: no-cache
server: nginx
content-length: 50
content-type: image/gif

GET
H2 200 wp-emoji-release.min.js Show response
slack.engineering/wp-includes/js/ 18 KB
5 KB 44ms
43ms Script
application/javascript 192.0.66.216
AUTOMATTIC

General

Check archive.org

Show headers Download Go to

Full URL

https://slack.engineering/wp-includes/js/wp-emoji-release.min.js?ver=6.3.1

Requested by

Host: slack.engineering
URL: https://slack.engineering/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

192.0.66.216 San Francisco, United States, ASN2635 (AUTOMATTIC, US),

Reverse DNS

Software

nginx /

Resource Hash

4f79a89d16a5f717110fe080c0bf90b7e05ff95a4c4983f64d33110bf5f9c230

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://slack.engineering/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date: Fri, 29 Sep 2023 09:17:29 GMT
content-encoding: gzip
strict-transport-security: max-age=31536000
last-modified: Fri, 22 Sep 2023 15:46:26 GMT
server: nginx
x-rq: lhr4 111 253 443
etag: W/"650db6d2-4904"
vary: Accept-Encoding
x-cache: HIT
content-type: application/javascript
cache-control: max-age=31536000

GET
H2 200 jp-search.defaultVendors.js Show response
slack.engineering/wp-content/mu-plugins/jetpack-12.6/jetpack_vendor/automattic/jetpack-search/build/instant-search/ 75 KB
24 KB 44ms
44ms Script
application/javascript 192.0.66.216
AUTOMATTIC

General

Check archive.org

Show headers Download Go to

Full URL

https://slack.engineering/wp-content/mu-plugins/jetpack-12.6/jetpack_vendor/automattic/jetpack-search/build/instant-search/jp-search.defaultVendors.js?minify=false&ver=a812fafe63c2ca6c059f

Requested by

Host: slack.engineering
URL: https://slack.engineering/wp-content/mu-plugins/jetpack-12.6/jetpack_vendor/automattic/jetpack-search/build/instant-search/jp-search.js?minify=false&ver=0aa4f53ecbe8911b5307

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

192.0.66.216 San Francisco, United States, ASN2635 (AUTOMATTIC, US),

Reverse DNS

Software

nginx /

Resource Hash

d4e76d642b11df90fe1e33c420b70c975a23eebc7aea1416a272439ea9903019

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://slack.engineering/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date: Fri, 29 Sep 2023 09:17:29 GMT
content-encoding: gzip
strict-transport-security: max-age=31536000
last-modified: Thu, 28 Sep 2023 18:11:33 GMT
server: nginx
x-rq: lhr4 111 253 443
etag: W/"6515c1d5-12dae"
vary: Accept-Encoding
x-cache: HIT
content-type: application/javascript
cache-control: max-age=31536000

GET
H2 200 jp-search.chunk-main-payload.css
slack.engineering/wp-content/mu-plugins/jetpack-12.6/jetpack_vendor/automattic/jetpack-search/build/instant-search/ 36 KB
5 KB 44ms
44ms Stylesheet
text/css 192.0.66.216
AUTOMATTIC

General

Check archive.org

Show headers Download Go to

Full URL

https://slack.engineering/wp-content/mu-plugins/jetpack-12.6/jetpack_vendor/automattic/jetpack-search/build/instant-search/jp-search.chunk-main-payload.css?minify=false&ver=ae1ab3cfcf7670b1d705

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

192.0.66.216 San Francisco, United States, ASN2635 (AUTOMATTIC, US),

Reverse DNS

Software

nginx /

Resource Hash

e786eb9e515a17f19f327f2bc1b168f4f01a8bda82ca580266db3db775f571ec

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://slack.engineering/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date: Fri, 29 Sep 2023 09:17:29 GMT
content-encoding: gzip
strict-transport-security: max-age=31536000
last-modified: Thu, 28 Sep 2023 18:11:33 GMT
server: nginx
x-rq: lhr4 111 253 443
etag: W/"6515c1d5-8e6a"
vary: Accept-Encoding
x-cache: HIT
content-type: text/css
cache-control: max-age=31536000

GET
H2 200 jp-search.chunk-main-payload.js Show response
slack.engineering/wp-content/mu-plugins/jetpack-12.6/jetpack_vendor/automattic/jetpack-search/build/instant-search/ 77 KB
20 KB 44ms
44ms Script
application/javascript 192.0.66.216
AUTOMATTIC

General

Check archive.org

Show headers Download Go to

Full URL

https://slack.engineering/wp-content/mu-plugins/jetpack-12.6/jetpack_vendor/automattic/jetpack-search/build/instant-search/jp-search.chunk-main-payload.js?minify=false&ver=be4054ef01b79af42428

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

192.0.66.216 San Francisco, United States, ASN2635 (AUTOMATTIC, US),

Reverse DNS

Software

nginx /

Resource Hash

937ba827d294056f81fcab0e37e5769ca968072be205dcd7125fb61e5a7cdac9

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://slack.engineering/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

date: Fri, 29 Sep 2023 09:17:29 GMT
content-encoding: gzip
strict-transport-security: max-age=31536000
last-modified: Thu, 28 Sep 2023 18:11:33 GMT
server: nginx
x-rq: lhr4 111 254 443
etag: W/"6515c1d5-134e1"
vary: Accept-Encoding
x-cache: HIT
content-type: application/javascript
cache-control: max-age=31536000

POST
H2 200 collect Show response
stats.g.doubleclick.net/j/ 4 B
350 B 169ms
54ms XHR
text/plain 2a00:1450:400c:c02::9c
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://stats.g.doubleclick.net/j/collect?t=dc&aip=1&_r=3&v=1&_v=j101&tid=UA-56978219-30&cid=253522088.1695979050&jid=2098839769&gjid=993276617&_gid=865547746.1695979050&_u=YEBAAEAAAAAAACAAI~&z=2063303545

Requested by

Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:400c:c02::9c Brussels, Belgium, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

84e01419bd81f32ac6df0f75f49c604fda9172000a3ae432b3c47b2a6a712d80

Security Headers

Name	Value
Strict-Transport-Security	max-age=10886400; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

Referer: https://slack.engineering/
accept-language: en-GB,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36
Content-Type: text/plain

Response headers

pragma: no-cache
strict-transport-security: max-age=10886400; includeSubDomains; preload
date: Fri, 29 Sep 2023 09:17:29 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://slack.engineering
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 4
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 ga-audiences
www.google.com/ads/ 42 B
408 B 178ms
65ms Image
image/gif 2a00:1450:4001:810::2004
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google.com/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j101&tid=UA-56978219-30&cid=253522088.1695979050&jid=2098839769&_u=YEBAAEAAAAAAACAAI~&z=631874249

Requested by

Host: slack.engineering
URL: https://slack.engineering/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:810::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://slack.engineering/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

pragma: no-cache
date: Fri, 29 Sep 2023 09:17:30 GMT
x-content-type-options: nosniff
server: cafe
content-type: image/gif
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 ga-audiences
www.google.de/ads/ 42 B
408 B 190ms
76ms Image
image/gif 2a00:1450:4001:812::2003
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google.de/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j101&tid=UA-56978219-30&cid=253522088.1695979050&jid=2098839769&_u=YEBAAEAAAAAAACAAI~&z=631874249

Requested by

Host: slack.engineering
URL: https://slack.engineering/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:812::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://slack.engineering/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.132 Safari/537.36

Response headers

pragma: no-cache
date: Fri, 29 Sep 2023 09:17:30 GMT
x-content-type-options: nosniff
server: cafe
content-type: image/gif
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

Verdicts & Comments Add Verdict or Comment

25 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

4 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

Domain/Path	Expires	Name / Value
.slack.engineering/	1970-01-21 00:42:19	Name: _ga Value: GA1.2.253522088.1695979050
.slack.engineering/	1970-01-20 15:07:45	Name: _gid Value: GA1.2.865547746.1695979050
.slack.engineering/	1970-01-20 15:06:19	Name: _gat_UA-56978219-30 Value: 1
.slack.engineering/	1970-01-21 00:42:19	Name: tk_ai Value: s16a2XzvmKHIm73%2FRF7B0lst

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header	Value
Strict-Transport-Security	max-age=31536000
X-Frame-Options	ALLOW-FROM https://slack.com/
X-Xss-Protection	0

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

a.slack-edge.com
fonts.googleapis.com
fonts.gstatic.com
pixel.wp.com
slack.engineering
stats.g.doubleclick.net
stats.wp.com
www.google-analytics.com
www.google.com
www.google.de
www.googletagmanager.com
108.138.7.78
192.0.66.216
192.0.76.3
2a00:1450:4001:810::2004
2a00:1450:4001:812::2003
2a00:1450:4001:81c::200a
2a00:1450:4001:82b::2008
2a00:1450:4001:82f::200e
2a00:1450:4001:831::2003
2a00:1450:400c:c02::9c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slack.engineering Open in urlscan Pro 192.0.66.216 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Detected technologies

Page Statistics

45 Requests

98 %HTTPS

70 %IPv6

10 Domains

11 Subdomains

11 IPs

3 Countries

1967 kBTransfer

3177 kBSize

4 Cookies

8 Outgoing links

Page URL History

Redirected requests

45 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 2 data transactions

Request headers

Response headers

Redirect headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

slack.engineering Open in urlscan Pro
192.0.66.216 Public Scan

Screenshot
Live screenshot

Full Image

45
Requests

98 %
HTTPS

70 %
IPv6

10
Domains

11
Subdomains

11
IPs

3
Countries

1967 kB
Transfer

3177 kB
Size

4
Cookies

45 HTTP transactions
2 data transactions