Submitted URL: http://brendangregg.com/
Effective URL: https://brendangregg.com/
Submission: On January 22 via api from US — Scanned from DE

Summary

This website contacted 3 IPs in 2 countries across 3 domains to perform 9 HTTP transactions. The main IP is 50.63.8.6, located in United States and belongs to GO-DADDY-COM-LLC, US. The main domain is brendangregg.com.
TLS certificate: Issued by Go Daddy Secure Certificate Authority... on March 30th 2023. Valid for: a year.
This is the only time brendangregg.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 8 50.63.8.6 398101 (GO-DADDY-...)
1 2a00:1450:400... 15169 (GOOGLE)
1 2001:4860:480... 15169 (GOOGLE)
9 3
Apex Domain
Subdomains
Transfer
8 brendangregg.com
brendangregg.com
165 KB
1 google-analytics.com
region1.google-analytics.com — Cisco Umbrella Rank: 2029
255 B
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 37
80 KB
9 3
Domain Requested by
8 brendangregg.com 1 redirects brendangregg.com
1 region1.google-analytics.com www.googletagmanager.com
1 www.googletagmanager.com brendangregg.com
9 3
Subject Issuer Validity Valid
brendangregg.com
Go Daddy Secure Certificate Authority - G2
2023-03-30 -
2024-04-30
a year crt.sh
*.google-analytics.com
GTS CA 1C3
2023-12-11 -
2024-03-04
3 months crt.sh

This page contains 1 frames:

Primary Page: https://brendangregg.com/
Frame ID: 91F5F2954437188528F1785A3850751D
Requests: 9 HTTP requests in this frame

Screenshot

Page Title

Brendan Gregg's Homepage

Page URL History Show full URLs

  1. http://brendangregg.com/ HTTP 302
    https://brendangregg.com/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns

Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtag/js

Page Statistics

9
Requests

100 %
HTTPS

67 %
IPv6

3
Domains

3
Subdomains

3
IPs

2
Countries

244 kB
Transfer

477 kB
Size

2
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://brendangregg.com/ HTTP 302
    https://brendangregg.com/ 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 /
brendangregg.com/
Redirect Chain
  • http://brendangregg.com/
  • https://brendangregg.com/
112 KB
27 KB
Document
General
Full URL
https://brendangregg.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
50.63.8.6 , United States, ASN398101 (GO-DADDY-COM-LLC, US),
Reverse DNS
6.8.63.50.host.secureserver.net
Software
Apache /
Resource Hash
99ef01968f447c48aaf3757e18659054c153a31f4e1435ebc09120b9dea49356

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

accept-ranges
bytes
content-encoding
br
content-length
27543
content-type
text/html
date
Mon, 22 Jan 2024 08:03:23 GMT
server
Apache
vary
Accept-Encoding

Redirect headers

Connection
Keep-Alive
Content-Length
209
Content-Type
text/html; charset=iso-8859-1
Date
Mon, 22 Jan 2024 08:03:22 GMT
Keep-Alive
timeout=5
Location
https://brendangregg.com/
Server
Apache
page.css
brendangregg.com/
5 KB
1 KB
Stylesheet
General
Full URL
https://brendangregg.com/page.css
Requested by
Host: brendangregg.com
URL: https://brendangregg.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
50.63.8.6 , United States, ASN398101 (GO-DADDY-COM-LLC, US),
Reverse DNS
6.8.63.50.host.secureserver.net
Software
Apache /
Resource Hash
7b01fdf80c53523441ca8ba25fc82ec1136b2576d52ea404f6b611422c03f348

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://brendangregg.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date
Mon, 22 Jan 2024 08:03:23 GMT
content-encoding
br
last-modified
Sat, 13 Aug 2022 22:31:14 GMT
server
Apache
etag
"aec008c-13e2-5e626f4d07080-br"
vary
Accept-Encoding
content-type
text/css
accept-ranges
bytes
content-length
1381
js
www.googletagmanager.com/gtag/
224 KB
80 KB
Script
General
Full URL
https://www.googletagmanager.com/gtag/js?id=G-SYD11KXST1
Requested by
Host: brendangregg.com
URL: https://brendangregg.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:80e::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
112b624679e00d6458a296c21a6a848513cee9b9de050996903568999f9f45c6
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://brendangregg.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date
Mon, 22 Jan 2024 08:03:23 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
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
cross-origin-resource-policy
cross-origin
access-control-allow-headers
Cache-Control
content-length
81139
x-xss-protection
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires
Mon, 22 Jan 2024 08:03:23 GMT
sysperf2nd_bookcover_360.jpg
brendangregg.com/Images/
26 KB
26 KB
Image
General
Full URL
https://brendangregg.com/Images/sysperf2nd_bookcover_360.jpg
Requested by
Host: brendangregg.com
URL: https://brendangregg.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
50.63.8.6 , United States, ASN398101 (GO-DADDY-COM-LLC, US),
Reverse DNS
6.8.63.50.host.secureserver.net
Software
Apache /
Resource Hash
9583845642e0bf49c44b1d95e107fc09fef3e76bd3736de554d68220ea3a2c61

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://brendangregg.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date
Mon, 22 Jan 2024 08:03:23 GMT
last-modified
Tue, 16 Aug 2022 23:44:28 GMT
server
Apache
accept-ranges
bytes
etag
"aec2adc-699f-5e664543daf00"
content-length
27039
content-type
image/jpeg
bpfperftools_bookcover_360.jpg
brendangregg.com/Images/
32 KB
32 KB
Image
General
Full URL
https://brendangregg.com/Images/bpfperftools_bookcover_360.jpg
Requested by
Host: brendangregg.com
URL: https://brendangregg.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
50.63.8.6 , United States, ASN398101 (GO-DADDY-COM-LLC, US),
Reverse DNS
6.8.63.50.host.secureserver.net
Software
Apache /
Resource Hash
a870fefdca64a1a4067386437420ce0be1668b6c66bde655a3b9d83c8bed6813

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://brendangregg.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date
Mon, 22 Jan 2024 08:03:23 GMT
last-modified
Tue, 16 Aug 2022 23:44:58 GMT
server
Apache
accept-ranges
bytes
etag
"aec2adb-817d-5e66456077280"
content-length
33149
content-type
image/jpeg
brendan_rajasthan2011_thumb.jpg
brendangregg.com/Images/
18 KB
18 KB
Image
General
Full URL
https://brendangregg.com/Images/brendan_rajasthan2011_thumb.jpg
Requested by
Host: brendangregg.com
URL: https://brendangregg.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
50.63.8.6 , United States, ASN398101 (GO-DADDY-COM-LLC, US),
Reverse DNS
6.8.63.50.host.secureserver.net
Software
Apache /
Resource Hash
c7585cd58057bc9dbd4f5bb4f0498d8d036487a3b07e927c98bca3344e47629f

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://brendangregg.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date
Mon, 22 Jan 2024 08:03:23 GMT
last-modified
Sun, 27 Sep 2020 13:19:39 GMT
server
Apache
accept-ranges
bytes
etag
"aec0293-48d7-5b04b66e6f0c0"
content-length
18647
content-type
image/jpeg
collect
region1.google-analytics.com/g/
0
255 B
Ping
General
Full URL
https://region1.google-analytics.com/g/collect?v=2&tid=G-SYD11KXST1&gtm=45je41h0v9130748811&_p=1705910603642&gcd=11l1l1l1l1&dma_cps=sypham&dma=1&cid=2088639993.1705910604&ul=en-us&sr=1600x1200&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&_s=1&sid=1705910603&sct=1&seg=0&dl=https%3A%2F%2Fbrendangregg.com%2F&dt=Brendan%20Gregg%27s%20Homepage&en=page_view&_fv=1&_nsi=1&_ss=1&_ee=1&tfd=1216
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-SYD11KXST1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:34::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://brendangregg.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

pragma
no-cache
date
Mon, 22 Jan 2024 08:03:23 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://brendangregg.com
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
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
sysperf2nd_bookcover_360.jpg
brendangregg.com/Images/
26 KB
26 KB
Image
General
Full URL
https://brendangregg.com/Images/sysperf2nd_bookcover_360.jpg
Requested by
Host: brendangregg.com
URL: https://brendangregg.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
50.63.8.6 , United States, ASN398101 (GO-DADDY-COM-LLC, US),
Reverse DNS
6.8.63.50.host.secureserver.net
Software
Apache /
Resource Hash
9583845642e0bf49c44b1d95e107fc09fef3e76bd3736de554d68220ea3a2c61

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://brendangregg.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date
Mon, 22 Jan 2024 08:03:23 GMT
last-modified
Tue, 16 Aug 2022 23:44:28 GMT
server
Apache
accept-ranges
bytes
etag
"aec2adc-699f-5e664543daf00"
content-length
27039
content-type
image/jpeg
bpfperftools_bookcover_360.jpg
brendangregg.com/Images/
32 KB
32 KB
Image
General
Full URL
https://brendangregg.com/Images/bpfperftools_bookcover_360.jpg
Requested by
Host: brendangregg.com
URL: https://brendangregg.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
50.63.8.6 , United States, ASN398101 (GO-DADDY-COM-LLC, US),
Reverse DNS
6.8.63.50.host.secureserver.net
Software
Apache /
Resource Hash
a870fefdca64a1a4067386437420ce0be1668b6c66bde655a3b9d83c8bed6813

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://brendangregg.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date
Mon, 22 Jan 2024 08:03:23 GMT
last-modified
Tue, 16 Aug 2022 23:44:58 GMT
server
Apache
accept-ranges
bytes
etag
"aec2adb-817d-5e66456077280"
content-length
33149
content-type
image/jpeg

Verdicts & Comments Add Verdict or Comment

5 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.

object| google_tag_manager object| google_tag_data object| dataLayer function| gtag object| gaGlobal

2 Cookies

Domain/Path Name / Value
.brendangregg.com/ Name: _ga_SYD11KXST1
Value: GS1.1.1705910603.1.0.1705910603.0.0.0
.brendangregg.com/ Name: _ga
Value: GA1.1.2088639993.1705910604