Check-Host.cc

Domain

help.ubuntu.com

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

Run a live full scan of help.ubuntu.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
8
A/AAAA targets
Subdomains
CT + scan + body
Record Types
2
seen in DNS
Observed Certs
3
in our scans

DNS Records

A
185.125.190.17, 185.125.190.18, 91.189.91.48, 91.189.91.49
AAAA
2001:67c:1562::23, 2001:67c:1562::24, 2620:2d:4000:1::2a, 2620:2d:4000:1::2b
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.

64.227.69.220:443 href · ×4
45.92.238.58:80 href · ×2
172.104.194.69:443 href · ×2
178.224.73.136:443 href · ×2
60.250.218.162:443 href · ×2
178.104.13.147:443 href · ×2
45.92.238.58:443 href · ×2
84.119.74.180:443 href · ×2
94.237.26.11:80 href · ×2
3.37.233.4:80 href · ×1
106.14.0.130:443 href · ×1
130.237.4.154:80 href · ×1
185.7.81.227:443 href · ×1
51.161.77.205:8080 href · ×1
66.42.119.151:443 href · ×1
158.160.84.131:443 href · ×1
212.227.186.29:80 href · ×1
51.68.142.189:443 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
AAAA 2001:67c:1562::23 2026-05-26 06:44:29.317 2026-07-30 14:13:37.303
A 185.125.190.18 2026-05-26 06:44:29.317 2026-07-30 14:13:37.303
AAAA 2001:67c:1562::24 2026-05-26 06:44:29.317 2026-07-30 14:13:37.303
A 185.125.190.17 2026-05-26 06:44:29.317 2026-07-30 14:13:37.303
AAAA 2620:2d:4000:1::2b 2026-05-26 06:44:29.317 2026-07-30 14:13:37.303
A 91.189.91.49 2026-05-26 06:44:29.317 2026-07-30 14:13:37.303
A 91.189.91.48 2026-05-26 06:44:29.317 2026-07-30 14:13:37.303
AAAA 2620:2d:4000:1::2a 2026-05-26 06:44:29.317 2026-07-30 14:13:37.303