Check-Host.cc

Try 1.1.1.1 AS13335 check-host.cc /country/de /tld/cc
Domain

www.github.com

Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.

DNS Check HTTP Check Run Full Scan .com TLD

Run a live full scan of www.github.com

On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.

Deep-scan now
Hosting IPs
—
A/AAAA targets
Subdomains
—
CT + scan + body
Record Types
—
seen in DNS
Observed Certs
—
in our scans

DNS Records

A
140.82.112.3, 140.82.112.4, 140.82.113.3, 140.82.113.4, 140.82.114.3, 140.82.114.4, 140.82.121.3, 140.82.121.4
AAAA
—
MX
0 github-com.mail.protection.outlook.com
NS
dns1.p08.nsone.net, dns2.p08.nsone.net, dns3.p08.nsone.net, dns4.p08.nsone.net, ns-1283.awsdns-32.org, ns-1707.awsdns-21.co.uk, ns-421.awsdns-52.com, ns-520.awsdns-01.net
TXT
00Dd0000000hHE0=1TBKg000000TN2r, MS=6BF03E6AF5CB689E315FB6199603BABF2C88D805, MS=ms44452932, MS=ms58704441, TAILSCALE-xOzoDvFUzZr5YYVCQFuD, adobe-idp-site-verification=b92c9e999aef825edc36e0a3d847d2dbad5b2fc0e05c79ddd7a16139b48ecf4b, anthropic-domain-verification-4az7qn=if8YWuRRqwLycGJDooumzHtxm, apple-domain-verification=RyQhdzTl6Z6x8ZP4
CNAME
—
CAA
0 issue "digicert.com", 0 issue "globalsign.com", 0 issue "letsencrypt.org", 0 issue "sectigo.com", 0 issuewild "digicert.com", 0 issuewild "letsencrypt.org", 0 issuewild "sectigo.com"

WHOIS / Registration

Registration data planned

Registrar, creation/expiry dates and domain status via RDAP. Rolling out gradually — bulk WHOIS is rate-limited, so we resolve on a prioritized cadence.

Subdomains

Subdomain enumeration pending

Every subdomain ever issued a TLS cert under this apex — extracted from Certificate Transparency logs, our own scan observations and body references.

Tech Stack

Tech detection pending

Wappalyzer-rules detect CMS, frameworks, analytics, JS libs and server-side languages on this domain.

TLS Certificates

159.194.223.93:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
132.243.65.191:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
185.94.167.225:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
194.154.29.215:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
5.152.79.87:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
95.216.246.174:8443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
78.17.54.110:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
144.31.119.77:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
144.31.138.104:8443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
146.103.107.43:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
78.17.16.34:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
153.76.116.152:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
62.76.142.215:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
159.195.77.165:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
167.99.245.195:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
5.39.220.118:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
185.72.10.82:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
85.209.129.104:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
45.158.81.194:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
181.214.125.121:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
5.129.216.20:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
89.167.92.129:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
46.173.214.133:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
178.173.250.223:8443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
132.243.223.95:8443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
103.112.68.103:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
89.22.228.162:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
83.171.227.161:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
2.27.17.28:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
46.21.83.225:443 17f8fd2e3fd2…
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com

IPs Citing This Domain

Hosts whose HTML body references this domain. Strong signal for origin/mirror/embed discovery.

49.12.9.121:80 href · ×36
54.144.48.122:443 href · ×15
135.148.149.206:443 href · ×8
45.55.152.216:443 href · ×6
69.164.216.245:443 href · ×6
146.190.0.187:443 href · ×5
134.209.131.111:443 href · ×4
47.108.85.35:443 href · ×4
18.235.234.105:80 href · ×4
139.162.189.125:80 href · ×4
140.211.166.101:443 href · ×4
85.25.129.15:443 href · ×4
167.71.184.192:443 href · ×3
51.79.85.146:80 href · ×3
143.42.238.119:443 href · ×3
31.220.99.137:8081 href · ×3
138.68.254.106:80 href · ×3
74.208.98.148:80 href · ×3
18.118.139.151:80 href · ×3
80.229.29.152:443 href · ×3
142.11.212.105:443 href · ×3
45.77.215.144:80 href · ×2
3.108.202.207:8888 href · ×2
150.136.142.183:443 href · ×2
189.162.231.194:80 href · ×2
52.36.216.169:443 href · ×2
107.170.145.30:443 href · ×2
120.53.120.184:80 href · ×2
101.132.65.115:8080 href · ×2
67.205.137.43:80 href · ×2
82.165.217.86:80 href · ×2
159.203.144.135:443 href · ×2
203.194.113.174:80 href · ×2
45.77.215.144:443 href · ×2
35.232.25.165:443 href · ×2
174.138.11.76:443 href · ×2
185.185.83.181:80 href · ×2
8.136.21.51:443 href · ×2
43.163.205.150:443 href · ×2
192.206.141.111:5000 href · ×2
200.19.177.46:80 href · ×2
85.25.129.15:8080 href · ×2
167.71.68.110:443 href · ×2
115.190.31.150:80 href · ×2
138.197.161.6:443 href · ×2
90.175.203.40:443 href · ×2
34.42.75.220:80 href · ×2
142.93.103.130:443 href · ×2
173.245.83.178:443 href · ×2
145.239.10.121:443 href · ×2

Origin / IP-Leak

USP

When a hostname is served behind a CDN (e.g. Cloudflare), the origin server can sometimes be identified by matching its TLS cert against the protected hostname. Findings shown here are heuristic candidates, not guarantees.

No origin-IP leaks detected (yet)

Either this domain doesn't sit behind a CDN, or we haven't seen a TLS cert from a non-CDN IP matching this hostname. Run a fullscan to refresh the cert→IP cross-reference.

CT-Log Evidence

Certificates from public Certificate Transparency logs whose subject or SAN names this domain — including historic certs we never observed live.

08a9098acc06cb34… sectigo · elephant2026h1
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
Valid: 2026-01-06 00:00:00 → 2026-04-05 23:59:59
541cd0298cf1f19a… sectigo · elephant2026h1
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV E36
SANs: github.com, www.github.com
Valid: 2026-01-06 00:00:00 → 2026-04-05 23:59:59
f202cc20403bf298… google · argon2026h2
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: github.com, garage.github.com, gist.github.com, www.github.com
Valid: 2025-09-15 00:00:00 → 2026-09-15 23:59:59
a427ecba70a90d68… google · xenon2026h2
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: github.com, garage.github.com, gist.github.com, www.github.com
Valid: 2025-09-15 00:00:00 → 2026-09-15 23:59:59
f202cc20403bf298… google · xenon2026h2
Subject: github.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: github.com, garage.github.com, gist.github.com, www.github.com
Valid: 2025-09-15 00:00:00 → 2026-09-15 23:59:59
35341fe6846771ed… google · xenon2026h1
Subject: github.com
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: github.com, www.github.com
Valid: 2025-03-10 00:00:00 → 2026-03-10 23:59:59
6157d9d5f6066c00… google · xenon2026h1
Subject: github.com
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: github.com, www.github.com
Valid: 2025-03-10 00:00:00 → 2026-03-10 23:59:59
35341fe6846771ed… cloudflare · nimbus2026
Subject: github.com
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: github.com, www.github.com
Valid: 2025-03-10 00:00:00 → 2026-03-10 23:59:59
7d1122ea96985234… digicert · wyvern2026h1
Subject: *.github.io
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.github.io, *.github.com, *.githubusercontent.com, github.com, github.io, githubusercontent.com, www.github.com
Valid: 2025-03-07 00:00:00 → 2026-03-07 23:59:59
7d1122ea96985234… cloudflare · nimbus2026
Subject: *.github.io
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.github.io, *.github.com, *.githubusercontent.com, github.com, github.io, githubusercontent.com, www.github.com
Valid: 2025-03-07 00:00:00 → 2026-03-07 23:59:59
7d1122ea96985234… cloudflare · nimbus2026
Subject: *.github.io
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.github.io, *.github.com, *.githubusercontent.com, github.com, github.io, githubusercontent.com, www.github.com
Valid: 2025-03-07 00:00:00 → 2026-03-07 23:59:59
7d1122ea96985234… cloudflare · nimbus2026
Subject: *.github.io
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.github.io, *.github.com, *.githubusercontent.com, github.com, github.io, githubusercontent.com, www.github.com
Valid: 2025-03-07 00:00:00 → 2026-03-07 23:59:59
7d1122ea96985234… cloudflare · nimbus2026
Subject: *.github.io
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.github.io, *.github.com, *.githubusercontent.com, github.com, github.io, githubusercontent.com, www.github.com
Valid: 2025-03-07 00:00:00 → 2026-03-07 23:59:59
7d1122ea96985234… cloudflare · nimbus2026
Subject: *.github.io
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.github.io, *.github.com, *.githubusercontent.com, github.com, github.io, githubusercontent.com, www.github.com
Valid: 2025-03-07 00:00:00 → 2026-03-07 23:59:59
7d1122ea96985234… cloudflare · nimbus2026
Subject: *.github.io
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.github.io, *.github.com, *.githubusercontent.com, github.com, github.io, githubusercontent.com, www.github.com
Valid: 2025-03-07 00:00:00 → 2026-03-07 23:59:59
7d1122ea96985234… cloudflare · nimbus2026
Subject: *.github.io
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.github.io, *.github.com, *.githubusercontent.com, github.com, github.io, githubusercontent.com, www.github.com
Valid: 2025-03-07 00:00:00 → 2026-03-07 23:59:59
7d1122ea96985234… cloudflare · nimbus2026
Subject: *.github.io
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.github.io, *.github.com, *.githubusercontent.com, github.com, github.io, githubusercontent.com, www.github.com
Valid: 2025-03-07 00:00:00 → 2026-03-07 23:59:59
7d1122ea96985234… cloudflare · nimbus2026
Subject: *.github.io
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.github.io, *.github.com, *.githubusercontent.com, github.com, github.io, githubusercontent.com, www.github.com
Valid: 2025-03-07 00:00:00 → 2026-03-07 23:59:59
7d1122ea96985234… cloudflare · nimbus2026
Subject: *.github.io
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.github.io, *.github.com, *.githubusercontent.com, github.com, github.io, githubusercontent.com, www.github.com
Valid: 2025-03-07 00:00:00 → 2026-03-07 23:59:59
7d1122ea96985234… cloudflare · nimbus2026
Subject: *.github.io
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.github.io, *.github.com, *.githubusercontent.com, github.com, github.io, githubusercontent.com, www.github.com
Valid: 2025-03-07 00:00:00 → 2026-03-07 23:59:59

Threat Intelligence

Domain threat-intel pending

Matches in URLhaus, OpenPhish, PhishTank, malware feeds, and Spamhaus DBL.

History

Passive DNS — every value this name ever resolved to and when we first / last observed it. Updates every cycle of our forward-DNS crawler.

Type Value First seen Last seen
A 140.82.121.3 2026-05-25 21:30:03.372 2026-07-23 05:12:43.663
A 140.82.121.4 2026-05-25 21:36:03.270 2026-07-23 03:07:26.913
A 140.82.113.4 2026-05-25 21:56:50.553 2026-05-29 01:09:40.757
TXT krisp-domain-verification=ZlyiK7XLhnaoUQb2hpak1PLY7dFkl1WE 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
TXT v=spf1 ip4:192.30.252.0/22 include:spf.protection.outlook.com include:_netblocks.google.com include:_netblocks2.google.com include:mail.zendesk.com include:_spf.salesforce.com include:servers.mcsv.net include:mktomail.com include:sendgrid.net ip4:62.253.227.114 ip4:166.78.69.169 ip4:166.78.69.170 ip4:166.78.71.131 ~all 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
TXT facebook-domain-verification=39xu4jzl7roi7x0n93ldkxjiaarx50 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
NS dns4.p08.nsone.net 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
NS dns2.p08.nsone.net 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
TXT google-site-verification=82Le34Flgtd15ojYhHlGF_6g72muSjamlMVThBOJpks 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
TXT calendly-site-verification=at0DQARi7IZvJtXQAWhMqpmIzpvoBNF7aam5VKKxP 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
NS ns-421.awsdns-52.com 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
NS ns-520.awsdns-01.net 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
TXT google-site-verification=UTM-3akMgubp6tQtgEuAkYNYLyYAvpTnnSrDMWoDR3o 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
MX 0 github-com.mail.protection.outlook.com 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
TXT stripe-verification=f88ef17321660a01bab1660454192e014defa29ba7b8de9633c69d6b4912217f 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
TXT miro-verification=d2e174fdb00c71e0bcf58f8e58c3da2dd80dcfa9 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
NS ns-1283.awsdns-32.org 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
TXT MS=ms44452932 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
TXT 00Dd0000000hHE0=1TBKg000000TN2r 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
TXT adobe-idp-site-verification=b92c9e999aef825edc36e0a3d847d2dbad5b2fc0e05c79ddd7a16139b48ecf4b 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
TXT TAILSCALE-xOzoDvFUzZr5YYVCQFuD 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
NS dns3.p08.nsone.net 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
TXT loom-site-verification=f3787154f1154b7880e720a511ea664d 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
TXT docusign=087098e3-3d46-47b7-9b4e-8a23028154cd 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
TXT atlassian-domain-verification=jjgw98AKv2aeoYFxiL/VFaoyPkn3undEssTRuMg6C/3Fp/iqhkV4HVV7WjYlVeF8 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
NS ns-1707.awsdns-21.co.uk 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
TXT shopify-verification-code=t1YPwcmvnxZyBycaCpk1MPyWoFs72o 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
TXT MS=ms58704441 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
TXT apple-domain-verification=RyQhdzTl6Z6x8ZP4 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
NS dns1.p08.nsone.net 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
TXT jamf-site-verification=XtaPNIYghF_e_xRDI8CjgQ 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
TXT MS=6BF03E6AF5CB689E315FB6199603BABF2C88D805 2026-05-25 22:05:29.416 2026-07-23 05:12:43.663
CAA 0 issue "digicert.com" 2026-05-25 23:59:40.866 2026-07-23 05:12:43.663
CAA 0 issuewild "letsencrypt.org" 2026-05-25 23:59:40.866 2026-07-23 05:12:43.663
CAA 0 issue "letsencrypt.org" 2026-05-25 23:59:40.866 2026-07-23 05:12:43.663
CAA 0 issuewild "sectigo.com" 2026-05-25 23:59:40.866 2026-07-23 05:12:43.663
CAA 0 issue "globalsign.com" 2026-05-25 23:59:40.866 2026-07-23 05:12:43.663
CAA 0 issue "sectigo.com" 2026-05-25 23:59:40.866 2026-07-23 05:12:43.663
CAA 0 issuewild "digicert.com" 2026-05-25 23:59:40.866 2026-07-23 05:12:43.663
A 140.82.114.3 2026-05-26 19:57:58.828 2026-07-16 03:39:30.122
A 140.82.112.4 2026-05-27 00:54:52.749 2026-06-23 14:18:46.564
A 140.82.113.3 2026-05-27 06:08:34.844 2026-06-22 23:26:39.315
A 140.82.114.4 2026-05-28 07:41:40.753 2026-07-22 12:53:47.409
A 140.82.112.3 2026-05-28 15:05:40.757 2026-07-18 02:39:42.805
A 4.225.11.194 2026-06-19 17:36:02.936 2026-06-23 00:31:57.685
TXT anthropic-domain-verification-4az7qn=if8YWuRRqwLycGJDooumzHtxm 2026-06-22 19:40:20.186 2026-07-23 05:12:43.663
TXT serval-domain-verification-ydryhj=qbkiEakpwEpTvHh5fIiCqtaue 2026-07-15 19:40:12.781 2026-07-23 05:12:43.663