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regex101.com Open in urlscan Pro
2a01:4f8:1c1c:13a4::1  Public Scan

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URL: https://regex101.com/
Submission: On September 05 via api from GB — Scanned from GB
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 6 IPs in 3 countries across 4 domains to perform 20 HTTP transactions. The main IP is 2a01:4f8:1c1c:13a4::1, located in Gunzenhausen, Germany and belongs to HETZNER-AS, DE. The main domain is regex101.com. The Cisco Umbrella rank of the primary domain is 341613.
TLS certificate: Issued by E6 on June 23rd 2024. Valid for: 3 months.
This is the only time regex101.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
8 2a01:4f8:1c1c... 24940 (HETZNER-AS)
1 2a00:1450:400... 15169 (GOOGLE)
2 195.201.221.111 24940 (HETZNER-AS)
2 159.65.211.77 14061 (DIGITALOC...)
1 2 141.94.2.147 16276 (OVH)
20 6
8    2a01:4f8:1c1c:13a4::1 (Gunzenhausen, Germany)

ASN24940 (HETZNER-AS, DE)
regex101.com
1    2a00:1450:4001:812::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.googleapis.com
2    195.201.221.111 (Gunzenhausen, Germany)

ASN24940 (HETZNER-AS, DE)
PTR: static.111.221.201.195.clients.your-server.de
analytics.regex101.com
2    159.65.211.77 (Slough, United Kingdom)

ASN14061 (DIGITALOCEAN-ASN, US)
srv.buysellads.com
2    141.94.2.147 (France)

ASN16276 (OVH, FR)
ovh.commander1.com
Apex Domain
Subdomains		 Transfer
10 regex101.com
regex101.com — Cisco Umbrella Rank: 341613
analytics.regex101.com — Cisco Umbrella Rank: 877963
296 KB
2 commander1.com
ovh.commander1.com — Cisco Umbrella Rank: 227390
3 KB
2 buysellads.com
srv.buysellads.com — Cisco Umbrella Rank: 34181
11 KB
1 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 110
3 KB
20 4
Domain Requested by
8 regex101.com regex101.com
2 ovh.commander1.com 1 redirects
2 srv.buysellads.com regex101.com
2 analytics.regex101.com regex101.com
analytics.regex101.com
1 fonts.googleapis.com regex101.com
20 5

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

Domain
digidib.dev
srv.buysellads.com
discover.buysellads.com
Subject Issuer Validity Valid
regex101.com
E6		 2024-06-23 -
2024-09-21		 3 months crt.sh
upload.video.google.com
WR2		 2024-08-12 -
2024-11-04		 3 months crt.sh
analytics.regex101.com
R11		 2024-07-17 -
2024-10-15		 3 months crt.sh
*.buysellads.com
E6		 2024-08-07 -
2024-11-05		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://regex101.com/
Frame ID: 0B89B624ABBEAF2E655F8DB2D068D67A
Requests: 21 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

regex101: build, test, and debug regex

Detected technologies

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com

Page Statistics

20
Requests

65 %
HTTPS

40 %
IPv6

4
Domains

5
Subdomains

6
IPs

3
Countries

311 kB
Transfer

1412 kB
Size

3
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 12
  • https://ovh.commander1.com/v3/?tcs=3810&rand=488936006492&chn=display&src=buysellads&cty_ads=uk&lang_ads=en&cty=GB&unvrse=cloud&pcat=publiccloud&subtpc=CarbonAds_PCI_MoFu&tactic=consd&objv=conversion&site_domain=https://www.ovhcloud.com&cmp=display_EC_uk_en_GB_cloud_publiccloud_CarbonAds_PCI_MoFu_consd_conversion&crtive=dimg_image_260x200_security HTTP 302
  • https://ovh.commander1.com/v3/?firsttime=1&tcs=3810&rand=488936006492&chn=display&src=buysellads&cty_ads=uk&lang_ads=en&cty=GB&unvrse=cloud&pcat=publiccloud&subtpc=CarbonAds_PCI_MoFu&tactic=consd&objv=conversion&site_domain=https://www.ovhcloud.com&cmp=display_EC_uk_en_GB_cloud_publiccloud_CarbonAds_PCI_MoFu_consd_conversion&crtive=dimg_image_260x200_security

20 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
regex101.com/ 		56 KB
12 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a01:4f8:1c1c:13a4::1 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
Software
nginx /
Resource Hash
3b5d859494f8597f6aecdbab6da0526c90a372301fc7515ba2069472f1d277d8
Security Headers
Name Value
Content-Security-Policy default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

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

content-encoding
br
content-security-policy
default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
content-type
text/html; charset=utf-8
date
Thu, 05 Sep 2024 14:49:06 GMT
etag
W/"de7c-guf4/+NoqpDqDCzvDWJaD+L0jZI"
referrer-policy
no-referrer-when-downgrade
server
nginx
service-worker-allowed
/
strict-transport-security
max-age=31536000; includeSubDomains; preload
vary
Accept-Encoding
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN
x-xss-protection
1; mode=block
css2
fonts.googleapis.com/ 		36 KB
3 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300;0,400;0,600;0,700;1,400&family=Source+Code+Pro:wght@400;500;700&display=swap
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:812::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
dd7f9415c55b92d27b348c72354348b506a82d7ace26a1ee175f46caa19e079e
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

Referer
https://regex101.com/
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

strict-transport-security
max-age=31536000
date
Thu, 05 Sep 2024 14:49:09 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
Thu, 05 Sep 2024 14:40:22 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
Thu, 05 Sep 2024 14:49:09 GMT
plausible.js
analytics.regex101.com/js/ 		1 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://analytics.regex101.com/js/plausible.js
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
195.201.221.111 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
static.111.221.201.195.clients.your-server.de
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
021f0fd27042b279a49e982215c6dc3c3ab84e95b35553a119dfdbd50af6be94
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://regex101.com/
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
Thu, 05 Sep 2024 14:49:06 GMT
x-content-type-options
nosniff
Server
nginx/1.18.0 (Ubuntu)
Content-Type
application/javascript
access-control-allow-origin
*
cache-control
public, max-age=86400, must-revalidate
cross-origin-resource-policy
cross-origin
Connection
keep-alive
Content-Length
1346
vendors-quickref.d60f92211d58a785aae9.chunk.js
regex101.com/static/ 		981 B
907 B 		Script
General
Check archive.org
Download Go to
Full URL
https://regex101.com/static/vendors-quickref.d60f92211d58a785aae9.chunk.js
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a01:4f8:1c1c:13a4::1 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
Software
nginx /
Resource Hash
3520026bcfa151442a4b948c81527cd6188798101a0f8b6a7b855f6e1ee0b8df
Security Headers
Name Value
Content-Security-Policy default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
https://regex101.com/
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
Thu, 05 Sep 2024 14:49:06 GMT
content-encoding
br
x-content-type-options
nosniff
content-security-policy
default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
448
x-xss-protection
1; mode=block
service-worker-allowed
/
referrer-policy
no-referrer-when-downgrade
last-modified
Sun, 19 May 2024 15:44:17 GMT
server
nginx
etag
"664a1e51-1c0"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
application/javascript; charset=utf-8
cache-control
max-age=31536000
expires
Fri, 05 Sep 2025 14:49:06 GMT
67.1e6bcc59a320bcfdecbc.css
regex101.com/static/ 		2 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://regex101.com/static/67.1e6bcc59a320bcfdecbc.css
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a01:4f8:1c1c:13a4::1 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
Software
nginx /
Resource Hash
3b02a6ddd1cec396b99c5a42dbf3f6c8f549e45dd3144f028e169fc1a02454a2
Security Headers
Name Value
Content-Security-Policy default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
https://regex101.com/
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
Thu, 05 Sep 2024 14:49:06 GMT
content-encoding
br
x-content-type-options
nosniff
content-security-policy
default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
820
x-xss-protection
1; mode=block
service-worker-allowed
/
referrer-policy
no-referrer-when-downgrade
last-modified
Sun, 19 May 2024 15:44:16 GMT
server
nginx
etag
"664a1e50-334"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
text/css
cache-control
max-age=31536000
expires
Fri, 05 Sep 2025 14:49:06 GMT
quickref.0c6b308ff143bc983949.chunk.js
regex101.com/static/ 		116 KB
18 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://regex101.com/static/quickref.0c6b308ff143bc983949.chunk.js
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a01:4f8:1c1c:13a4::1 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
Software
nginx /
Resource Hash
89bb9ebd12ea71896323079ebc9b3f3065a2301978888aa5dab671c923eb665e
Security Headers
Name Value
Content-Security-Policy default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
https://regex101.com/
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
Thu, 05 Sep 2024 14:49:06 GMT
content-encoding
br
x-content-type-options
nosniff
content-security-policy
default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
17720
x-xss-protection
1; mode=block
service-worker-allowed
/
referrer-policy
no-referrer-when-downgrade
last-modified
Sun, 19 May 2024 15:44:17 GMT
server
nginx
etag
"664a1e51-4538"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
application/javascript; charset=utf-8
cache-control
max-age=31536000
expires
Fri, 05 Sep 2025 14:49:06 GMT
vendors-bundle.34d914cfcb77ca820fbb.js
regex101.com/static/ 		559 KB
155 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://regex101.com/static/vendors-bundle.34d914cfcb77ca820fbb.js
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a01:4f8:1c1c:13a4::1 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
Software
nginx /
Resource Hash
6feac12f140f855eb886ad97c6d3d195542fa7b1ae8e7a5e0c725de258e2beba
Security Headers
Name Value
Content-Security-Policy default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
https://regex101.com/
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
Thu, 05 Sep 2024 14:49:06 GMT
content-encoding
br
x-content-type-options
nosniff
content-security-policy
default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
158310
x-xss-protection
1; mode=block
service-worker-allowed
/
referrer-policy
no-referrer-when-downgrade
last-modified
Sun, 19 May 2024 15:44:17 GMT
server
nginx
etag
"664a1e51-26a66"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
application/javascript; charset=utf-8
cache-control
max-age=31536000
expires
Fri, 05 Sep 2025 14:49:06 GMT
23.db847e30c74aff098961.css
regex101.com/static/ 		64 KB
14 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://regex101.com/static/23.db847e30c74aff098961.css
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a01:4f8:1c1c:13a4::1 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
Software
nginx /
Resource Hash
706b06eeac5934f25042dba54a9c1eb41e5b5ed77f7465f9200e915ab10705e9
Security Headers
Name Value
Content-Security-Policy default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
https://regex101.com/
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
Thu, 05 Sep 2024 14:49:06 GMT
content-encoding
br
x-content-type-options
nosniff
content-security-policy
default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
14326
x-xss-protection
1; mode=block
service-worker-allowed
/
referrer-policy
no-referrer-when-downgrade
last-modified
Sun, 19 May 2024 15:44:16 GMT
server
nginx
etag
"664a1e50-37f6"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
text/css
cache-control
max-age=31536000
expires
Fri, 05 Sep 2025 14:49:06 GMT
bundle.506f496942c824f31ed9.js
regex101.com/static/ 		344 KB
91 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://regex101.com/static/bundle.506f496942c824f31ed9.js
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a01:4f8:1c1c:13a4::1 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
Software
nginx /
Resource Hash
a6b508886a03153ef0f57d2c3721ef55ed813a47229a2ef66e92d857698f01d3
Security Headers
Name Value
Content-Security-Policy default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
https://regex101.com/
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
Thu, 05 Sep 2024 14:49:06 GMT
content-encoding
br
x-content-type-options
nosniff
content-security-policy
default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
92138
x-xss-protection
1; mode=block
service-worker-allowed
/
referrer-policy
no-referrer-when-downgrade
last-modified
Sun, 19 May 2024 15:44:16 GMT
server
nginx
etag
"664a1e50-167ea"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
application/javascript; charset=utf-8
cache-control
max-age=31536000
expires
Fri, 05 Sep 2025 14:49:06 GMT
truncated
/ 		769 B
0 		Image
General
Check archive.org
Download Go to Show image
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
56b41106dbafac391838627a26366e878c586783a5cf69ec613b939712312eb2

Request headers

Referer
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

Content-Type
image/png
event
analytics.regex101.com/api/ 		2 B
372 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://analytics.regex101.com/api/event
Requested by
Host: analytics.regex101.com
URL: https://analytics.regex101.com/js/plausible.js
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
195.201.221.111 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
static.111.221.201.195.clients.your-server.de
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
2689367b205c16ce32ed4200942b8b8b1e262dfc70d9bc9fbc77c49699a4f1df

Request headers

Referer
https://regex101.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
Content-Type
text/plain

Response headers

Date
Thu, 05 Sep 2024 14:49:06 GMT
Server
nginx/1.18.0 (Ubuntu)
Content-Type
text/plain; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
cache-control
max-age=0, private, must-revalidate
access-control-allow-credentials
true
Connection
keep-alive
Content-Length
2
x-request-id
F_JgiH3nyArD_v4I_0lB
favicon.ico
regex101.com/static/assets/ 		15 KB
2 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://regex101.com/static/assets/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a01:4f8:1c1c:13a4::1 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
Software
nginx /
Resource Hash
a3811aa157e2f7e12e7c89c00f95b999eb6807508df0019d11d6b00545b6f5d8
Security Headers
Name Value
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Verdicts & Comments Add Verdict or Comment

8 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.

string| __INITIAL_STATE__ function| plausible object| _global object| _sentryDebugIds string| _sentryDebugIdIdentifier object| SENTRY_RELEASE object| webpackChunkregex101 string| __reactRouterVersion

3 Cookies

Domain/Path Name / Value
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.commander1.com/ Name: TCID
Value: 202409051649077068439972

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
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