gnu.org - robtex.com
gnu.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:470:142:5::116🇺🇸 FSF2001:470:142::/48 NET-2001-470-142---48-AS22989 | ||||||
| PTR | wildebeest1p.gnu.org | ||||||
| A | 209.51.188.116🇺🇸 FSF209.51.188.0/24 NET-209-51-188-0-24-AS22989 | ||||||
| NS | ns1.gnu.org ⭐ | ||||||
| A | 2607:5300:60:4c42::1🇨🇦 OVH2607:5300::/32 Hosting route | ||||||
| A | 192.99.37.66🇨🇦 OVH192.99.0.0/16 Hosting route | ||||||
| PTR | ns1.gnu.org | ||||||
| NS | ns2.gnu.org | ||||||
| A | 2607:5300:60:4a62::1🇨🇦 OVH2607:5300::/32 Hosting route | ||||||
| A | 192.99.35.98🇨🇦 OVH192.99.0.0/16 Hosting route | ||||||
| PTR | ns2.gnu.org | ||||||
| NS | ns4.gnu.org | ||||||
| A | 2001:41d0:2:b69d::1🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| A | 188.165.235.157🇫🇷 OVH188.165.0.0/16 ISP Paris, France | ||||||
| PTR | ns4.gnu.org | ||||||
| MX | eggs.gnu.org ⭐ | ||||||
| A | 2001:470:142:3::10🇺🇸 FSF2001:470:142::/48 NET-2001-470-142---48-AS22989 | ||||||
| PTR | eggs.gnu.org | ||||||
| A | 209.51.188.92🇺🇸 FSF209.51.188.0/24 NET-209-51-188-0-24-AS22989 | ||||||
| TXT | v=spf1 ip4:209.51.188.0/24 ip4:74.94.156.208/28 ip6:2001:470:142::/48 ip6:260... | ||||||
| SOA | ns1.gnu.orghostmaster@gnu.org 2026-05-01 #9 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1778351512 | ||||||
rank #12 in the tld
This domain name, "gnu.org", represents the official website of the GNU Operating System. GNU is a Unix-like operating system that is free software—it respects your freedom. It's also the project where the concept of "open-source software" was originated. The website is a source of information about the GNU system, free software, and related topics.WOT: SAFE (95/100)
📈 Tranco rank: #331
GNU Project
gnu.org is the official website of the GNU Project, a free software operating system founded by Richard Stallman in January 1984. The name is a recursive acronym: "GNU's Not Unix." GNU provides a complete Unix-like operating system composed entirely of free software that respects users' freedom—the right to run, study, modify, and redistribute software.
Key Projects
- GNU/Linux — The most widely used form of GNU, combining GNU software with the Linux kernel
- GCC — The GNU Compiler Collection, a cornerstone of open-source development
- GNU Emacs — Extensible, self-documenting text editor
- GNU Hurd — GNU's own microkernel, development started in 1990
The project is supported by the Free Software Foundation (FSF), which advocates for software freedom worldwide.
Hosting & Infrastructure
| Service | Details | |
|---|---|---|
| Web/Mail | Self-hosted by FSF in the USA (209.51.188.0/24) | |
| Nameservers | OVH (Canada & France): ns1.gnu.org, ns2.gnu.org, ns4.gnu.org | |
| Mail Server | eggs.gnu.org (209.51.188.92) | |
| DNSSEC | Not signed |
Tranco Rank: #497 globally, #12 among .org domains
Subdomains
fencepost-ssh.gnu.org |
es.gnu.org |
lu-ns1.gnu.org |
sv.gnu.org |
fencepost.gnu.org |
emba.gnu.org |
ns2-old.gnu.org |
elpa.gnu.org |
wildebeest.gnu.org |
emacsconfmedia0p.gnu.org |
terminus-est.gnu.org |
gnuzilla0p.gnu.org |
ns2.gnu.org |
farrokh.gnu.org |
mail.gnu.org |
it.gnu.org |
valis.gnu.org |
snail.gnu.org |
lu-ns0.gnu.org |
snail-ssh.gnu.org |
tmp.gnu.org |
hurd.gnu.org |
zaphod.gnu.org |
debbugs.gnu.org |
servent.gnu.org |
rt.gnu.org |
groute.gnu.org |
wildebeest1p.gnu.org |
mx.gnu.org |
ftpmirror.gnu.org |
ns1.gnu.org |
savannah.gnu.org |
rt2p.gnu.org |
health.gnu.org |
ftp-upload.gnu.org |
ns4.gnu.org |
korea.gnu.org |
lims.gnu.org |
eggs.gnu.org |
planet.gnu.org |
gnuzilla.gnu.org |
gcc.gnu.org |
planet0p.gnu.org |
subversions.gnu.org |
ftp.gnu.org |
gnudist.gnu.org |
git.gnu.org |
savanah.gnu.org |
smalltalk.gnu.org |
lists.gnu.org |
chapters.gnu.org |
www.gnu.org |
seeder.gnu.org |
guix.gnu.org |
Same first word
Similar names
DNS History
11 records (6 active, 5 former)
●NSns1.gnu.org2015-08-15 → 2026-05-09 · 2 obs
● 2026-05-09 18:45:32
●NSns2.gnu.org2015-08-15 → 2026-05-09 · 5 obs
● 2017-08-03 01:14:06
○ 2018-09-29 04:16:44
● 2019-06-17 13:11:34
● 2026-05-09 18:45:32
○NSns3.gnu.org2015-08-15 → 2021-10-03 · 4 obs
● 2021-10-03 13:38:26
○ 2026-02-15 03:47:26
○ 2026-05-09 18:45:32
●NSns4.gnu.org2015-08-15 → 2026-05-09 · 5 obs
● 2017-08-03 01:14:06
○ 2018-09-29 04:16:44
● 2019-06-17 13:11:34
● 2026-05-09 18:45:32
●MXeggs.gnu.org2015-08-15 → 2026-05-09 · 2 obs
● 2026-05-09 18:45:32
○A2001:470:142:3::a2019-06-17 → 2021-04-03 · 5 obs
● 2019-06-17 13:11:34
● 2021-04-03 19:33:54
○ 2021-10-03 13:38:26
○ 2026-05-09 18:45:32
●A2001:470:142:5::1162021-10-03 → 2026-05-09 · 3 obs
● 2021-10-03 13:38:26
● 2026-05-09 18:45:32
○A2001:4830:134:3::a2018-09-29 → 2018-09-29 · 4 obs
● 2018-09-29 04:16:44
○ 2019-06-17 13:11:34
○ 2026-05-09 18:45:32
○A208.118.235.1482015-08-15 → 2018-09-29 · 4 obs
● 2018-09-29 04:16:44
○ 2019-06-17 13:11:34
○ 2026-05-09 18:45:32
●A209.51.188.1162021-10-03 → 2026-05-09 · 3 obs
● 2021-10-03 13:38:26
● 2026-05-09 18:45:32
○A209.51.188.1482019-06-17 → 2021-04-03 · 5 obs
● 2019-06-17 13:11:34
● 2021-04-03 19:33:54
○ 2021-10-03 13:38:26
○ 2026-05-09 18:45:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| gnu.org | ns1.gnu.org, ns4.gnu.org, ns2.gnu.org | 6 records |
✅ Authoritative Response
Server:192.99.37.66
NS records: ns1.gnu.org, ns4.gnu.org, ns2.gnu.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gnu.org (unsigned zone)
⏱️ Timing
Total: 273ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.51.188.116 |
| AAAA | 1 | 2001:470:142:5::116 |
| NS | 3 | ns2.gnu.org, ns4.gnu.org... |
| MX | 1 | eggs.gnu.org (pri: 10) |
| TXT | 1 | v=spf1 ip4:209.51.188.0/24 ip4:74.94.156 |
| SOA | 1 | ns1.gnu.org hostmaster.gnu.org |
📌 Glue Records Collected
Total: 6
In-bailiwick: 6 (ns1.gnu.org, ns2.gnu.org, ns4.gnu.org...)
Related
Analysis
Hierarchy
gnu.org is the parent of fencepost-ssh.gnu.org, es.gnu.org, lu-ns1.gnu.org, sv.gnu.org, fencepost.gnu.org and several other host names.
IP Addresses
gnu.org points to two IP numbers: 2001:470:142:5::116 and 209.51.188.116.
Other host names, for instance upgradefromwindows8.org, listhelper.nongnu.org, kindleswindle.org, www.emacs.org and mail.gnu.orglists.nongnu.org share IP numbers with gnu.org.
Name Servers
gnu.org is delegated to three name servers: ns1.gnu.org, ns2.gnu.org and ns4.gnu.org.
gnu.org at least partially shares its name servers with other domains, for instance windows7sins.net, gpl3.net, defectivebydesign.net, rotten-apple.org and freesoftwarefreesociety.info.
These name servers are often used together with the name servers ns3.gnu.org.
Host names with two IP numbers:
ns1.gnu.org points to: 2607:5300:60:4c42::1 and 192.99.37.66.
ns2.gnu.org points to: 2607:5300:60:4a62::1 and 192.99.35.98.
ns4.gnu.org points to: 2001:41d0:2:b69d::1 and 188.165.235.157.
Mail Servers
gnu.org is served by a single mail server, eggs.gnu.org.
gnu.org uses the same mail server setup as other domains such as savannah.nongnu.org, lists.gnu.org, libreplanet.com, hnode.org and dotgnu.org.
Hostname eggs.gnu.org resolves to two IPs: 2001:470:142:3::10 and 209.51.188.92.