Check-Host.cc

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

api.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 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
6
A/AAAA targets
Subdomains
—
CT + scan + body
Record Types
1
seen in DNS
Observed Certs
3
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

35.188.31.240:443 1ccc8676223b…
Subject: api.github.com
Issuer: Workshop MITM Root CA
SANs: api.github.com, api.openai.com
8.217.163.230:443 321c54ef736f…
Subject: OKG CIS Gateway
Issuer: copilot-proxy.githubusercontent.com
SANs: *.cnpmjs.org, api.github.com, cnpmjs.org, files.pythonhosted.org, github.com, mirrors.aliyun.com, mirrors.bfsu.edu.cn, mirrors.cloud.tencent.com, mirrors.ustc.edu.cn, office-npm.okg.com, pypi.mirrors.ustc.edu.cn, pypi.org, pypi.tuna.tsinghua.edu.cn, registry-npm.okg.com, registry.npmjs.com, registry.npmjs.org, registry.npmmirror.com, registry.yarnpkg.com
52.57.102.27:443 dc36d6d050f2…
Subject: CDP Proxy
Issuer: CDP Proxy Internal CA
SANs: *.anaconda.cloud, *.anaconda.com, *.anaconda.org, *.bi-kub-test.zalan.do, *.data-lake-test.zalan.do, *.stups-test.zalan.do, anaconda.cloud, anaconda.com, anaconda.org, api.codacy.com, api.github.com, app.codacy.com, cdp-cache.stups-test.zalan.do, cdp-toster.stups-test.zalan.do, codacy.bus.zalan.do, container-registry-test.zalando.net, container-registry.zalando.net, databricks-manager.bi-kub-test.zalan.do, databricks-manager.bi-kub.zalan.do, develocity.platform-infrastructure-test.zalan.do, ecr-compliance-promoter.platform-infrastructure-test.zalan.do, ecr-proxy-prod.platform-infrastructure-test.zalan.do, ecr-proxy-prod.platform-infrastructure.zalan.do, ecr-proxy-test.platform-infrastructure-test.zalan.do, ecr-proxy-test.platform-infrastructure.zalan.do, eu-west-1-ecr-proxy-prod.platform-infrastructure-test.zalan.do, eu-west-1-ecr-proxy-prod.platform-infrastructure.zalan.do, eu-west-1-ecr-proxy-test.platform-infrastructure-test.zalan.do, eu-west-1-ecr-proxy-test.platform-infrastructure.zalan.do, eu-west-1.container-registry-test.zalando.net, eu-west-1.container-registry.zalando.net, github.com, infrastructure-api-linter.zalandoapis.com, maven.zalando.net, nexus-testbed.zalando.net, nexus.zalando.net, npm.zalando.net, pact.pinfra-test.zalan.do, pact.pinfra.zalan.do, pierone.stups-test.zalan.do, pierone.stups.zalan.do, pypi.zalando.net, registry-write.opensource.zalan.do, sonar-dev.tip.zalan.do, sonar.tip.zalan.do, sonarqube.stups-test.zalan.do, uploads.github.com

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
45.82.77.150:80 href · ×32
45.82.77.145:80 href · ×32
82.196.15.40:80 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
193.134.210.170:443 href · ×3
185.125.202.164:443 href · ×3
140.143.32.113:443 href · ×3
119.29.39.222:80 href · ×3
52.4.6.237:443 href · ×3
202.44.12.38:80 href · ×3
3.109.138.200:443 href · ×3
101.200.12.38:443 href · ×2
185.100.159.254:443 href · ×2
57.131.28.166:443 href · ×2
103.118.41.220:80 href · ×2
168.119.170.211:443 href · ×2
40.233.1.135:443 href · ×2
34.101.98.249:8080 href · ×2
152.69.182.154:80 href · ×2
193.53.127.146:80 href · ×2
89.23.113.35:443 href · ×2
203.30.237.196:80 href · ×2
39.104.75.149:443 href · ×2
23.88.101.219:443 href · ×2
154.21.201.155:8080 href · ×2
198.98.58.141:443 href · ×2
47.86.163.9:443 href · ×2
74.207.225.124:80 href · ×2
173.249.20.58:80 href · ×2
45.80.229.35:443 href · ×2
34.64.154.188:8000 href · ×2
161.97.102.85:8080 href · ×2
159.65.75.40:443 href · ×2
220.81.181.10:443 href · ×1
138.2.116.157:80 href · ×1
198.23.49.215:80 href · ×1
34.160.15.18:443 href · ×1
84.130.235.115:81 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 2026-07-22 19:45:06.600
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