Check-Host.cc

Domain

bugzilla.kernel.org

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

Run a live full scan of bugzilla.kernel.org

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
9
A/AAAA targets
Subdomains
CT + scan + body
Record Types
1
seen in DNS
Observed Certs
1
in our scans

DNS Records

A
100.23.152.36, 100.23.199.84, 184.32.159.183, 35.166.31.235, 35.82.86.222, 52.12.165.145, 52.25.90.120, 54.148.105.111
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

Subject: bugzilla.kernel.org
Issuer: Amazon RSA 2048 M03
SANs: bugzilla.kernel.org
Subject: bugzilla.kernel.org
Issuer: Amazon RSA 2048 M03
SANs: bugzilla.kernel.org

IPs Citing This Domain

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

78.47.254.151:80 href · ×1
119.28.52.204:80 href · ×1
23.147.56.50:443 href · ×1
129.154.193.79:443 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.

CT-Log Evidence

Certificates from public Certificate Transparency logs whose subject or SAN names this domain — including historic certs we never observed live.

90ef082e57a877da… cloudflare · nimbus2026
Subject: bugzilla.kernel.org
Issuer: Amazon RSA 2048 M03
SANs: bugzilla.kernel.org
Valid: 2025-07-28 00:00:00 → 2026-08-26 23:59:59

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 100.23.199.84 2026-05-25 23:59:40.866 2026-05-27 11:30:34.293
A 52.12.165.145 2026-05-25 23:59:40.866 2026-05-27 11:30:34.293
A 35.82.86.222 2026-05-25 23:59:40.866 2026-05-27 11:30:34.293
A 35.166.31.235 2026-07-18 16:14:14.426 2026-07-18 16:14:14.426
A 100.23.152.36 2026-07-18 16:14:14.426 2026-07-19 15:53:07.485
A 54.148.105.111 2026-07-18 16:14:14.426 2026-07-19 15:53:07.485
A 184.32.159.183 2026-07-19 15:53:07.485 2026-07-27 01:19:47.827
A 52.25.90.120 2026-07-27 01:19:47.827 2026-07-27 01:19:47.827
A 54.70.192.175 2026-07-27 01:19:47.827 2026-07-27 01:19:47.827