Domain

gnu.org

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

DNS Check HTTP Check Run Full Scan .org TLD

Run a live full scan of gnu.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

138

CT + scan + body

Record Types

seen in DNS

Observed Certs

in our scans

DNS Records

209.51.188.116

AAAA

2001:470:142:5::116

10 eggs.gnu.org

ns1.gnu.org, ns2.gnu.org, ns4.gnu.org

TXT

v=spf1 ip4:209.51.188.0/24 ip6:2001:470:142::/48 ip4:18.4.89.21 ip4:15.204.209.91 ip6:2604:2dc0:101:200::1d07 -all

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

Every subdomain we know about — harvested from CT-log SANs, scan-observed certs and HTML body references — paired with its current A/AAAA target.

Subdomain	Resolves to	Last seen
https.git.savannah.gnu.org	176.100.37.193 2604:2dc0:101:200::1c35 2a0e:97c0:3ea:52a::1 2604:2dc0:202:300::5d3 +15	2026-07-22 16:41:39.505
https.git.sv.gnu.org	176.100.37.193 2a0e:97c0:3ea:52a::1 2a0e:97c0:3ea:82b::1 2604:2dc0:202:300::a52 +15	2026-07-22 16:41:39.505
cgit.git.savannah.gnu.org	176.100.37.192 2a0e:97c0:3ea:52a::1 2a0e:97c0:3ea:82b::1 2a0e:97c0:3ea:528::1 +8	2026-06-22 05:46:57.553
alpha.gnu.org	209.51.188.21 2001:470:142:3::c	2026-07-22 04:01:12.248
arch.savannah.gnu.org	209.51.188.201 2001:470:142:5::201	2026-06-15 19:17:05.102
arch.sv.gnu.org	209.51.188.201 2001:470:142:5::201	2026-06-15 19:17:05.102
audio-video.gnu.org	209.51.188.200 2001:470:142:5::200	2026-05-31 04:49:40.771
audio-video2p.gnu.org	209.51.188.23 2001:470:142:5::23	2026-06-23 09:20:42.450
autoconfig.gnu.org	209.51.188.233 2001:470:142:5::233	2026-07-18 04:02:46.266
bordeaux.guix.gnu.org	185.233.100.56 2a0c:e300::56	2026-07-22 08:10:40.435
debbugs.gnu.org	209.51.188.43 2001:470:142:5::43	2026-06-17 12:47:14.972
dl.savannah.gnu.org	209.51.188.200 2001:470:142:5::200	2026-05-26 23:37:01.212
dl.sv.gnu.org	209.51.188.200 2001:470:142:5::200	2026-05-26 23:37:01.212
download.savannah.gnu.org	209.51.188.200 2001:470:142:5::200	2026-05-26 23:37:01.212
download.sv.gnu.org	209.51.188.200 2001:470:142:5::200	2026-05-26 23:37:01.212
elpa.gnu.org	209.51.188.89 2001:470:142::89	2026-06-22 05:46:57.553
fencepost.gnu.org	209.51.188.10 2001:470:142:3::e	2026-06-16 08:38:02.335
file.savannah.gnu.org	209.51.188.113 2001:470:142:5::113	2026-05-26 23:23:16.070
ftp.gnu.org	209.51.188.20 2001:470:142:3::b	2026-07-25 22:40:49.257
ftpmirror.gnu.org	209.51.188.200 2001:470:142:5::200	2026-06-14 22:08:58.337
gcc.gnu.org	38.145.34.32 2620:52:6:3111::32	2026-07-27 08:11:55.706
git.savannah.gnu.org	209.51.188.168 2001:470:142::168	2026-07-21 21:42:50.702
git.sv.gnu.org	209.51.188.168 2001:470:142::168	2026-07-17 05:58:17.649
glibc.gnu.org	209.51.188.116 2001:470:142:5::116	2026-06-21 13:06:50.586
gnu.org	209.51.188.116 2001:470:142:5::116	2026-07-28 10:49:00.176
gold.savannah.gnu.org	209.51.188.74 2001:470:142:5::74	2026-05-26 03:41:45.201
guix.gnu.org	46.224.9.33 2a01:4f8:c013:3c5b::	2026-07-25 05:24:59.607
hg.savannah.gnu.org	209.51.188.201 2001:470:142:5::201	2026-06-02 21:25:59.728
hg.sv.gnu.org	209.51.188.201 2001:470:142:5::201	2026-06-02 21:25:59.728
hurd.gnu.org	209.51.188.116 2001:470:142:5::116	2026-06-21 13:06:50.586
lists.gnu.org	209.51.188.183 2001:470:142:183::183	2026-07-23 16:15:21.667
rt.gnu.org	209.51.188.47 2001:470:142:5::47	2026-06-14 22:23:29.853
rt2p.gnu.org	209.51.188.47 2001:470:142:5::47	2026-06-14 22:23:29.853
savannah.gnu.org	209.51.188.113 2001:470:142:5::113	2026-07-19 17:33:33.441
static.gnu.org	209.51.188.233 2001:470:142:5::233	2026-07-18 04:02:46.266
sv.gnu.org	209.51.188.113 2001:470:142:5::113	2026-05-26 23:23:16.070
wildebeest.ipv6.gnu.org	209.51.188.116 2001:470:142:5::116	2026-06-21 13:06:50.586
wildebeest1p.gnu.org	209.51.188.116 2001:470:142:5::116	2026-06-21 13:06:50.586
www.gnu.org	209.51.188.116 2001:470:142:5::116	2026-07-28 20:47:52.650
www.hurd.gnu.org	209.51.188.116 2001:470:142:5::116	2026-06-21 13:06:50.586
www.ipv6.gnu.org	209.51.188.116 2001:470:142:5::116	2026-06-21 13:06:50.586
www6.gnu.org	209.51.188.116 2001:470:142:5::116	2026-06-21 13:06:50.586
audio-video.savannah.gnu.org		1970-01-01 00:00:00.000
audio-video.sv.gnu.org		1970-01-01 00:00:00.000
bugs.gnu.org	209.51.188.43	2026-06-15 23:53:40.445
ci.guix.gnu.org		1970-01-01 00:00:00.000
coordinator.bordeaux.guix.gnu.org		1970-01-01 00:00:00.000
data.guix.gnu.org		1970-01-01 00:00:00.000
data.qa.guix.gnu.org		1970-01-01 00:00:00.000
dump.guix.gnu.org		1970-01-01 00:00:00.000
file.i18n.savannah.gnu.org		1970-01-01 00:00:00.000
file.i18n.sv.gnu.org		1970-01-01 00:00:00.000
git.qa.guix.gnu.org		1970-01-01 00:00:00.000
hydra-guix-129.guix.gnu.org		1970-01-01 00:00:00.000
i18n.savannah.gnu.org		1970-01-01 00:00:00.000
i18n.sv.gnu.org		1970-01-01 00:00:00.000
irc.gnu.org		1970-01-01 00:00:00.000
irc1p.gnu.org		1970-01-01 00:00:00.000
issues.guix.gnu.org		1970-01-01 00:00:00.000
korea.gnu.org	54.64.49.210	2026-07-18 11:40:36.357
lists1p.gnu.org		1970-01-01 00:00:00.000
mail.gnu.org		1970-01-01 00:00:00.000
packages.guix.gnu.org		1970-01-01 00:00:00.000
planet.guix.gnu.org		1970-01-01 00:00:00.000
pulls.ci.guix.gnu.org		1970-01-01 00:00:00.000
qa.guix.gnu.org		1970-01-01 00:00:00.000
vcs0.savannah.gnu.org		1970-01-01 00:00:00.000
vcs0.sv.gnu.org		1970-01-01 00:00:00.000
web.cvs.savannah.gnu.org	38.102.85.135	2026-06-22 08:25:01.243
web.cvs.sv.gnu.org	38.102.85.135	2026-06-22 08:25:01.243

Tech Stack

Tech detection pending

Wappalyzer-rules detect CMS, frameworks, analytics, JS libs and server-side languages on this domain.

TLS Certificates

185.112.147.164:443 c5daf9f663ff…

Subject: https.git.savannah.gnu.org

Issuer: YE2

SANs: https.git.savannah.gnu.org, https.git.savannah.nongnu.org, https.git.sv.gnu.org, https.git.sv.nongnu.org

88.99.80.160:443 07a0c6c6f1c1…

Subject: bugzilla.dgnu.org

Issuer: YE2

SANs: bugzilla.dgnu.org, buildbot.dgnu.org, dgnu.org, irc.dgnu.org, staging.dgnu.org

176.12.70.187:443 9f1788410963…

Subject: wildebeest1p.gnu.org

Issuer: R12

SANs: classpath.org, digitalspeech.org, donate.digitalspeech.org, dotgnu.org, emacs.org, glibc.gnu.org, gnewsense.org, gnu.org, gnukids.org, gplfaq.org, hurd.gnu.org, ipv6.nongnu.org, playfreedom.org, playogg.com, playogg.org, upgradefromwindows.com, upgradefromwindows8.org, vcdimager.org, wildebeest.ipv6.gnu.org, wildebeest1p.gnu.org, www.classpath.org, www.digitalspeech.org, www.emacs.org, www.gnu.org, www.gnukids.org, www.hurd.gnu.org, www.ipv6.gnu.org, www.ipv6.nongnu.org, www.nongnu.org, www.playfreedom.org, www.playogg.com, www.upgradefromwindows.com, www.upgradefromwindows8.org, www6.gnu.org

209.51.188.47:443 ac746dd13a6d…

Subject: rt.gnu.org

Issuer: R12

SANs: rt.gnu.org, rt2p.gnu.org

89.127.216.249:443 9f1788410963…

Subject: wildebeest1p.gnu.org

Issuer: R12

209.51.188.89:443 0e3ea182ca5c…

Subject: elpa.gnu.org

Issuer: R13

SANs: elpa.gnu.org

5.180.82.186:443 9f1788410963…

Subject: wildebeest1p.gnu.org

Issuer: R12

144.31.189.15:443 9f1788410963…

Subject: wildebeest1p.gnu.org

Issuer: R12

209.51.188.200:443 f203690e9e15…

Subject: download.savannah.gnu.org

Issuer: R12

SANs: dl.savannah.gnu.org, dl.savannah.nongnu.org, dl.sv.gnu.org, dl.sv.nongnu.org, download.savannah.gnu.org, download.savannah.nongnu.org, download.sv.gnu.org, download.sv.nongnu.org

209.51.188.72:443 1c4d51c3dc55…

Subject: savannah.gnu.org

Issuer: E8

SANs: file.savannah.gnu.org, file.savannah.nongnu.org, savannah.gnu.org, savannah.nongnu.org, sv.gnu.org, sv.nongnu.org

51.195.191.94:443 d39ecd74cf59…

Subject: ftp.gnu.org.uk

Issuer: E7

SANs: ftp.gnu.org.uk

45.61.149.91:443 9f1788410963…

Subject: wildebeest1p.gnu.org

Issuer: R12

209.51.188.20:443 64724c349331…

Subject: ftp.gnu.org

Issuer: R13

SANs: alpha.gnu.org, ftp.gnu.org

209.51.188.23:443 6819acf1333a…

Subject: audio-video2p.gnu.org

Issuer: R12

SANs: audio-video2p.gnu.org

209.51.188.74:443 6f6f3c90f1c4…

Subject: gold.savannah.gnu.org

Issuer: E7

SANs: gold.savannah.gnu.org

116.80.76.90:443 34f207bd32eb…

Subject: https.git.savannah.gnu.org

Issuer: E7

SANs: https.git.savannah.gnu.org, https.git.savannah.nongnu.org, https.git.sv.gnu.org, https.git.sv.nongnu.org

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	ns2.gnu.org	2026-05-26 00:07:44.959	2026-07-28 10:49:00.176
AAAA	2001:470:142:5::116	2026-05-26 00:07:44.959	2026-07-28 10:49:00.176
A	209.51.188.116	2026-05-26 00:07:44.959	2026-07-28 10:49:00.176
MX	10 eggs.gnu.org	2026-05-26 00:07:44.959	2026-07-28 10:49:00.176
TXT	v=spf1 ip4:209.51.188.0/24 ip6:2001:470:142::/48 ip4:18.4.89.21 ip4:15.204.209.91 ip6:2604:2dc0:101:200::1d07 -all	2026-05-26 00:07:44.959	2026-07-28 10:49:00.176
NS	ns4.gnu.org	2026-05-26 00:07:44.959	2026-07-28 10:49:00.176
NS	ns1.gnu.org	2026-05-26 00:07:44.959	2026-07-28 10:49:00.176
CAA	0 issue "letsencrypt.org"	2026-05-26 00:07:44.959	2026-07-28 10:49:00.176