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back.engineering Open in urlscan Pro
2a05:d014:275:cb00::c8  Public Scan

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Submitted URL: http://back.engineering/
Effective URL: https://back.engineering/
Submission: On September 01 via api from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 2 IPs in 2 countries across 2 domains to perform 9 HTTP transactions. The main IP is 2a05:d014:275:cb00::c8, located in Frankfurt am Main, Germany and belongs to AMAZON-02, US. The main domain is back.engineering.
TLS certificate: Issued by E5 on July 21st 2024. Valid for: 3 months.
This is the only time back.engineering was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
5 2a05:d014:275... 16509 (AMAZON-02)
4 199.232.192.193 54113 (FASTLY)
9 2
Apex Domain
Subdomains		 Transfer
5 back.engineering
back.engineering
38 KB
4 imgur.com
i.imgur.com — Cisco Umbrella Rank: 7108
5 MB
9 2
Domain Requested by
5 back.engineering back.engineering
4 i.imgur.com
9 2

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

Domain
codedefender.io
github.com
twitter.com
www.linkedin.com
Subject Issuer Validity Valid
*.back.engineering
E5		 2024-07-21 -
2024-10-19		 3 months crt.sh
*.imgur.com
Sectigo RSA Domain Validation Secure Server CA		 2024-02-15 -
2025-02-14		 a year crt.sh

This page contains 1 frames:

Primary Page: https://back.engineering/
Frame ID: 05571850D01BF9644FC0F8BB8E4EA2B2
Requests: 9 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Back Engineering Labs — BELabs

Page URL History Show full URLs

  1. http://back.engineering/ HTTP 307
    https://back.engineering/ Page URL

Page Statistics

9
Requests

100 %
HTTPS

50 %
IPv6

2
Domains

2
Subdomains

2
IPs

2
Countries

4924 kB
Transfer

5018 kB
Size

0
Cookies

Page URL History

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

  1. http://back.engineering/ HTTP 307
    https://back.engineering/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

9 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
back.engineering/
Redirect Chain
  • http://back.engineering/
  • https://back.engineering/
29 KB
7 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://back.engineering/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:275:cb00::c8 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
4b68dfa21c3c5f24a514a675d0b68860e2c157c9fd7b8789b4de5a33f06cfaec
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

accept-ranges
bytes
age
3063
cache-control
public,max-age=0,must-revalidate
cache-status
"Netlify Edge"; hit
content-encoding
br
content-length
6847
content-type
text/html; charset=UTF-8
date
Sun, 01 Sep 2024 23:09:45 GMT
etag
"a9e347cf57b4c21721ddae3aca880b0a-ssl-df"
server
Netlify
strict-transport-security
max-age=31536000
vary
Accept-Encoding
x-nf-request-id
01J6QXM08WVC9PQRHRYPPMJWGT

Redirect headers

Location
https://back.engineering/
Non-Authoritative-Reason
HttpsUpgrades
cookies.C-iUBQir.css
back.engineering/_astro/ 		76 KB
11 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://back.engineering/_astro/cookies.C-iUBQir.css
Requested by
Host: back.engineering
URL: https://back.engineering/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:275:cb00::c8 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
f627c61b760d63c881c58d1bd45f094b302ca30e7c18a1995eef21bcc016f40e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://back.engineering/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

x-nf-request-id
01J6QXM09KQX2HDZTCWW01QPKG
date
Sun, 01 Sep 2024 23:09:45 GMT
content-encoding
br
strict-transport-security
max-age=31536000
server
Netlify
age
0
cache-status
"Netlify Edge"; fwd=miss
etag
"af0e7946a6596055c27863c3106a1647-ssl-df"
vary
Accept-Encoding
content-type
text/css; charset=UTF-8
cache-control
public,max-age=31536000,immutable
accept-ranges
bytes
hoisted.B8e_A8KY.js
back.engineering/_astro/ 		14 KB
5 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://back.engineering/_astro/hoisted.B8e_A8KY.js
Requested by
Host: back.engineering
URL: https://back.engineering/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:275:cb00::c8 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
47c4c4a6b805d01ab8f222d08d5de0a6f03ca729bc09d8a55d5606bee085097e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://back.engineering/
Origin
https://back.engineering
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

x-nf-request-id
01J6QXM09KTXGE5BA508BCZC0P
date
Sun, 01 Sep 2024 23:09:45 GMT
content-encoding
br
strict-transport-security
max-age=31536000
server
Netlify
age
0
cache-status
"Netlify Edge"; fwd=miss
etag
"f7cb1f44e1064c7646ddee02e5dcad57-ssl-df"
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
cache-control
public,max-age=31536000,immutable
accept-ranges
bytes
MFpXApT.png
i.imgur.com/ 		5 KB
6 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://i.imgur.com/MFpXApT.png
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
199.232.192.193 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
cat factory 1.0 /
Resource Hash
98e610ff99a5ce4706d8fe7fb5b77b28507efe7898b3d94eba76fe4907e3a6f0
Security Headers
Name Value
Strict-Transport-Security max-age=300
X-Content-Type-Options nosniff

Request headers

Referer
Origin
https://back.engineering
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Sun, 01 Sep 2024 23:09:46 GMT
strict-transport-security
max-age=300
x-content-type-options
nosniff
x-amz-cf-pop
IAD89-P1
age
1067509
x-amz-server-side-encryption
AES256
x-cache
Miss from cloudfront, HIT, HIT
content-length
5591
x-served-by
cache-iad-kjyo7100116-IAD, cache-fra-eddf8230090-FRA
last-modified
Sun, 12 May 2024 21:55:18 GMT
server
cat factory 1.0
x-timer
S1725232186.107454,VS0,VE1
etag
"90bf1b03956e2e2efae98f31348f853a"
access-control-allow-methods
GET, OPTIONS
content-type
image/png
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
x-amz-cf-id
SHpMNoi7Ph_Ag8M_ROcH1O3m1sQX3-lhGuNpZDjThScUrJQbQB43zA==
x-cache-hits
111, 0
kLuT5Os.png
i.imgur.com/ 		5 MB
5 MB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://i.imgur.com/kLuT5Os.png
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
199.232.192.193 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
cat factory 1.0 /
Resource Hash
3532f67eb2b3e97a0c5d892ed78564da5647bafea173ca6c69d9fccd696893a8
Security Headers
Name Value
Strict-Transport-Security max-age=300
X-Content-Type-Options nosniff

Request headers

Referer
Origin
https://back.engineering
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Sun, 01 Sep 2024 23:09:46 GMT
strict-transport-security
max-age=300
x-content-type-options
nosniff
x-amz-cf-pop
PHL51-P1
age
527909
x-amz-server-side-encryption
AES256
x-cache
Miss from cloudfront, HIT, HIT
x-amz-storage-class
STANDARD_IA
content-length
4924344
x-served-by
cache-iad-kjyo7100092-IAD, cache-fra-eddf8230090-FRA
last-modified
Sun, 12 May 2024 20:42:07 GMT
server
cat factory 1.0
x-timer
S1725232186.107420,VS0,VE1
etag
"62598ceeaa1af301f5383e002eca0910"
access-control-allow-methods
GET, OPTIONS
content-type
image/png
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
x-amz-cf-id
QRiZwruZ3L7tmc_-nOg1ndqahpUUMdllhh7kP4DtHmDIuw2prKNm8w==
x-cache-hits
17, 0
DVcVeeT.png
i.imgur.com/ 		24 KB
24 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://i.imgur.com/DVcVeeT.png
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
199.232.192.193 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
cat factory 1.0 /
Resource Hash
ff59f18d67b02e01c654f8d5ecc3cccc5be113015fea4de00d4861acd8ca5690
Security Headers
Name Value
Strict-Transport-Security max-age=300
X-Content-Type-Options nosniff

Request headers

Referer
Origin
https://back.engineering
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Sun, 01 Sep 2024 23:09:46 GMT
strict-transport-security
max-age=300
x-content-type-options
nosniff
x-amz-cf-pop
IAD61-P5
age
489037
x-amz-server-side-encryption
AES256
x-cache
Miss from cloudfront, HIT, HIT
content-length
24335
x-served-by
cache-iad-kiad7000073-IAD, cache-fra-eddf8230090-FRA
last-modified
Sun, 12 May 2024 21:13:59 GMT
server
cat factory 1.0
x-timer
S1725232186.107444,VS0,VE1
etag
"fb5d9a448f61702743b847aaf4ad27ae"
access-control-allow-methods
GET, OPTIONS
content-type
image/png
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
x-amz-cf-id
qqUF8m0ZUwMJZnVZ5RF9ADJRZBZczLCYMktI_O5C6-ZaRPl4Kh0P5A==
x-cache-hits
27, 0
yiQicC5.png
i.imgur.com/ 		43 KB
44 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://i.imgur.com/yiQicC5.png
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
199.232.192.193 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
cat factory 1.0 /
Resource Hash
b66b28c4f0874edcba71263dacde613ef1f35e439a764245a15120b7e3694d79
Security Headers
Name Value
Strict-Transport-Security max-age=300
X-Content-Type-Options nosniff

Request headers

Referer
Origin
https://back.engineering
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Sun, 01 Sep 2024 23:09:46 GMT
strict-transport-security
max-age=300
x-content-type-options
nosniff
x-amz-cf-pop
IAD89-P1
age
1666783
x-amz-server-side-encryption
AES256
x-cache
Miss from cloudfront, HIT, HIT
content-length
44432
x-served-by
cache-iad-kjyo7100020-IAD, cache-fra-eddf8230090-FRA
last-modified
Sat, 11 May 2024 20:16:05 GMT
server
cat factory 1.0
x-timer
S1725232186.107463,VS0,VE2
etag
"ab3a4bbcb3456d66a8bcef332bfe1785"
access-control-allow-methods
GET, OPTIONS
content-type
image/png
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
x-amz-cf-id
fUs1tpfL0146GXyc0u65QPVD2_7BAurD0qNRtMRvb7axRs2-n-FpSA==
x-cache-hits
8, 0
favicon.CP3KtWWr.svg
back.engineering/_astro/ 		2 KB
874 B 		Other
General
Check archive.org
Download Go to
Full URL
https://back.engineering/_astro/favicon.CP3KtWWr.svg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:275:cb00::c8 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
d46cac4bd05edf02b4395a1210c0d234f4e0c521ff5e3f48c2035f4c384be533
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://back.engineering/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

x-nf-request-id
01J6QXM0QVF4QKEJFZ2X6SF8NG
date
Sun, 01 Sep 2024 23:09:46 GMT
content-encoding
br
strict-transport-security
max-age=31536000
server
Netlify
age
0
cache-status
"Netlify Edge"; fwd=miss
etag
"dad7ff3e3767b945de46ba61e0503319-ssl-df"
vary
Accept-Encoding
content-type
image/svg+xml
cache-control
public,max-age=31536000,immutable
accept-ranges
bytes
content-length
747
favicon.CYztCaiv.ico
back.engineering/_astro/ 		15 KB
15 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://back.engineering/_astro/favicon.CYztCaiv.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:275:cb00::c8 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
f5d946066116f98fe0836c4d2077b884f3bc2e9408c61f9bf5fc0db6c2415bb8
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://back.engineering/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

x-nf-request-id
01J6QXM1248WM765M8V7EEH93R
date
Sun, 01 Sep 2024 23:09:46 GMT
strict-transport-security
max-age=31536000
server
Netlify
age
0
cache-status
"Netlify Edge"; fwd=miss
etag
"7579838a0a5b5665ae0bc26f1883726a-ssl"
content-type
image/vnd.microsoft.icon
cache-control
public,max-age=31536000,immutable
accept-ranges
bytes
content-length
15406

Verdicts & Comments Add Verdict or Comment

1 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.

boolean| basic_script

0 Cookies

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