Check-Host.cc

Domain

autodiscover.github.com

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

Run a live full scan of autodiscover.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
40.99.149.136, 40.99.157.56, 52.98.178.216, 52.98.179.136, 52.98.252.104, 52.98.252.120, 52.98.252.136, 52.98.252.72
AAAA
2603:1026:c0d:1008::8, 2603:1026:c0d:100d::8, 2603:1026:c0d:1022::8, 2603:1026:c0d:1024::8, 2603:1026:c0d:1028::8, 2603:1026:c0d:1029::8, 2603:1026:c0d:102a::8, 2603:1026:c0d:6b::8
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

No citing IPs found yet

As the world-sweep progresses, hosts referencing this domain in their HTML will surface here.

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 52.98.252.104 2026-06-07 05:05:13.417 2026-06-07 05:05:13.417
AAAA 2603:1026:c0d:100d::8 2026-06-07 05:05:13.417 2026-06-07 05:05:13.417
A 52.98.252.72 2026-06-07 05:05:13.417 2026-06-07 05:05:13.417
AAAA 2603:1026:c0d:1008::8 2026-06-07 05:05:13.417 2026-06-07 05:05:13.417
AAAA 2603:1026:c0d:1024::8 2026-06-07 05:05:13.417 2026-06-07 05:05:13.417
AAAA 2603:1026:c0d:6b::8 2026-06-07 05:05:13.417 2026-06-07 05:05:13.417
A 52.98.178.216 2026-06-07 05:05:13.417 2026-06-07 05:05:13.417
AAAA 2603:1026:c0d:1022::8 2026-06-07 05:05:13.417 2026-06-07 05:05:13.417
AAAA 2603:1026:c0d:102a::8 2026-06-07 05:05:13.417 2026-06-07 05:05:13.417
A 52.98.252.136 2026-06-07 05:05:13.417 2026-06-07 05:05:13.417
A 52.98.179.136 2026-06-07 05:05:13.417 2026-06-07 05:05:13.417
A 40.99.149.136 2026-06-07 05:05:13.417 2026-06-07 05:05:13.417
A 52.98.252.120 2026-06-07 05:05:13.417 2026-06-07 05:05:13.417
AAAA 2603:1026:c0d:1028::8 2026-06-07 05:05:13.417 2026-06-07 05:05:13.417
A 40.99.157.56 2026-06-07 05:05:13.417 2026-06-07 05:05:13.417
AAAA 2603:1026:c0d:1029::8 2026-06-07 05:05:13.417 2026-06-07 05:05:13.417