Check-Host.cc

Domain

groups.yahoo.com

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

Run a live full scan of groups.yahoo.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
188.125.90.204, 188.125.90.206, 188.125.95.240, 188.125.95.250, 87.248.116.11, 87.248.116.12, 87.248.119.251, 87.248.119.252
AAAA
2406:2000:a4:807::, 2406:2000:a4:807::1, 2a00:1288:80:807::1, 2a00:1288:80:807::2, 2a00:1288:84:800::1001, 2a00:1288:84:800::1002, 2a00:1288:f037:1fa::2000, 2a00:1288:f037:1fa::4000
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
AAAA 2a00:1288:80:807::1 2026-05-26 03:55:34.463 2026-07-28 19:22:00.900
A 87.248.119.252 2026-05-26 03:55:34.463 2026-07-28 20:47:52.650
AAAA 2a00:1288:80:807::2 2026-05-26 03:55:34.463 2026-07-28 19:22:00.900
A 87.248.119.251 2026-05-26 03:55:34.463 2026-07-28 20:47:52.650
AAAA 2a00:1288:84:800::1002 2026-06-15 00:07:36.295 2026-07-28 20:47:52.650
A 87.248.116.11 2026-06-15 00:07:36.295 2026-07-28 20:31:39.973
AAAA 2a00:1288:84:800::1001 2026-06-15 00:07:36.295 2026-07-28 20:47:52.650
A 87.248.116.12 2026-06-15 00:07:36.295 2026-07-28 20:31:39.973
A 188.125.95.250 2026-06-15 00:39:07.757 2026-06-15 00:39:07.757
A 188.125.95.240 2026-06-15 00:39:07.757 2026-06-15 00:39:07.757
A 188.125.90.204 2026-07-19 23:23:20.655 2026-07-28 00:53:26.568
AAAA 2a00:1288:f037:1fa::2000 2026-07-19 23:23:20.655 2026-07-25 19:40:23.353
AAAA 2a00:1288:f037:1fa::4000 2026-07-19 23:23:20.655 2026-07-25 19:40:23.353
A 188.125.90.206 2026-07-19 23:23:20.655 2026-07-28 00:53:26.568
AAAA 2406:2000:a4:807:: 2026-07-26 15:34:32.661 2026-07-28 17:23:57.234
AAAA 2406:2000:a4:807::1 2026-07-26 15:34:32.661 2026-07-28 17:23:57.234