Check-Host.cc

Domain

www.sourceware.org

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

Run a live full scan of www.sourceware.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
A/AAAA targets
Subdomains
CT + scan + body
Record Types
seen in DNS
Observed Certs
in our scans

DNS Records

A
38.145.34.32
AAAA
2620:52:6:3111::32
MX
0 sourceware.org
NS
ns.elastic.org, ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com, ns5.linode.com, sourceware.org
TXT
google-site-verification=tzJCZQEMKeo4BQjffu_qwm1y5z4CLdYz2xZeuR7PyZE, v=spf1 a mx -all, v=spf1 a mx ~all, yahoo-verification-key=FkQalhs7gfn9CmZWYOovdMxOBXDSg4tHRk/33a/moSs=
CNAME
CAA
0 issue "letsencrypt.org"

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
NS ns.elastic.org 2026-05-26 02:38:03.884 2026-07-26 11:37:21.574
NS sourceware.org 2026-05-26 02:38:03.884 2026-07-26 11:37:21.574
NS ns4.linode.com 2026-05-26 02:38:03.884 2026-07-26 11:37:21.574
TXT yahoo-verification-key=FkQalhs7gfn9CmZWYOovdMxOBXDSg4tHRk/33a/moSs= 2026-05-26 02:38:03.884 2026-07-26 11:37:21.574
NS ns2.linode.com 2026-05-26 02:38:03.884 2026-07-26 11:37:21.574
AAAA 2620:52:6:3111::32 2026-05-26 02:38:03.884 2026-07-26 11:37:21.574
A 38.145.34.32 2026-05-26 02:38:03.884 2026-07-26 11:37:21.574
NS ns3.linode.com 2026-05-26 02:38:03.884 2026-07-26 11:37:21.574
TXT google-site-verification=tzJCZQEMKeo4BQjffu_qwm1y5z4CLdYz2xZeuR7PyZE 2026-05-26 02:38:03.884 2026-07-26 11:37:21.574
NS ns1.linode.com 2026-05-26 02:38:03.884 2026-07-26 11:37:21.574
NS ns5.linode.com 2026-05-26 02:38:03.884 2026-07-26 11:37:21.574
TXT v=spf1 a mx ~all 2026-05-26 02:38:03.884 2026-06-22 17:48:06.100
MX 0 sourceware.org 2026-05-26 02:38:03.884 2026-07-26 11:37:21.574
CAA 0 issue "letsencrypt.org" 2026-05-26 02:38:03.884 2026-07-26 11:37:21.574
TXT v=spf1 a mx -all 2026-07-15 23:12:29.165 2026-07-26 11:37:21.574