Check-Host.cc

Domain

api.github.com

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

Run a live full scan of api.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
140.82.112.6, 140.82.113.5, 140.82.114.6, 140.82.121.5, 140.82.121.6, 20.26.156.210
AAAA
MX
NS
TXT
CNAME
CAA

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

Certificate observations pending

TLS certs naming this domain in subject or SANs will appear here as our scan-layer catches them.

IPs Citing This Domain

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

5.75.140.86:443 href · ×743
141.95.101.220:80 href · ×491
3.250.252.141:80 href · ×458
184.32.201.200:443 href · ×182
178.79.163.203:80 href · ×131
91.99.1.16:443 href · ×116
63.34.123.135:80 href · ×79
188.166.46.235:80 href · ×33
82.196.15.40:80 href · ×32
45.82.77.150:80 href · ×32
45.82.77.145:80 href · ×32
78.140.223.76:443 href · ×12
185.153.29.66:80 href · ×9
217.154.191.197:443 href · ×4
95.181.160.205:80 href · ×4
106.13.140.185:80 href · ×3
119.29.39.222:80 href · ×3
140.143.32.113:443 href · ×3
202.44.12.38:80 href · ×3
3.109.138.200:443 href · ×3
193.134.210.170:443 href · ×3
52.4.6.237:443 href · ×3
185.125.202.164:443 href · ×3
173.249.20.58:80 href · ×2
101.200.12.38:443 href · ×2
168.119.170.211:443 href · ×2
74.207.225.124:80 href · ×2
39.104.75.149:443 href · ×2
154.21.201.155:8080 href · ×2
159.65.75.40:443 href · ×2
40.233.1.135:443 href · ×2
198.98.58.141:443 href · ×2
45.80.229.35:443 href · ×2
23.88.101.219:443 href · ×2
203.30.237.196:80 href · ×2
89.23.113.35:443 href · ×2
152.69.182.154:80 href · ×2
193.53.127.146:80 href · ×2
57.131.28.166:443 href · ×2
34.64.154.188:8000 href · ×2
47.86.163.9:443 href · ×2
103.118.41.220:80 href · ×2
34.101.98.249:8080 href · ×2
185.100.159.254:443 href · ×2
161.97.102.85:8080 href · ×2
198.44.181.155:443 href · ×1
182.254.192.84:443 href · ×1
92.113.146.139:443 href · ×1
93.194.246.93:443 href · ×1
108.181.218.166:443 href · ×1

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.

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 140.82.121.6 2026-05-26 00:12:34.719 2026-07-23 09:00:13.315
A 140.82.121.5 2026-05-26 02:50:09.561 2026-07-23 03:16:45.249
A 140.82.112.6 2026-05-26 13:43:32.726 2026-05-26 13:43:32.726
A 140.82.113.5 2026-05-27 12:33:35.445 2026-06-20 02:40:33.283
A 140.82.114.6 2026-05-27 13:34:07.300 2026-05-27 13:34:07.300
A 20.26.156.210 2026-06-16 02:43:50.452 2026-06-16 02:43:50.452