linux.kernel.org - robtex.com
linux.kernel.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 139.178.84.217🇺🇸 PACKET139.178.80.0/21 Equinix Services, Inc. | ||||||
| MX | smtp.subspace.kernel.org ⭐ | ||||||
| A | 44.238.234.78🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix | ||||||
| PTR | ec2-44-238-234-78.us-west-2.compute.amazonaws.com | ||||||
| TXT | v=spf1 include:_listspf.kernel.org ~all | ||||||
kernel.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2600:3c04:e001:324:0:1991:8:25🇨🇦 AKAMAI-LINODE-AP2600:3c04::/32 Akamai Technologies | ||||||
| A | 172.105.4.254🇨🇦 AKAMAI-LINODE-AP172.105.0.0/19 Akamai Technologies | ||||||
| NS | ns11.constellix.com ⭐ | ||||||
| NS | ns21.constellix.com | ||||||
| NS | ns31.constellix.com | ||||||
| NS | ns41.constellix.net | ||||||
| NS | ns51.constellix.net | ||||||
| NS | ns61.constellix.net | ||||||
| MX | smtp1.kernel.org ⭐ | ||||||
| MX | smtp2.kernel.org ⭐ | ||||||
| MX | smtp3.kernel.org ⭐ | ||||||
| TXT | v=spf1 include:_spf.kernel.org ~all | ||||||
| TXT | google-site-verification=nb4Wx5xBQM3b-a3OV2KSlPL786714Y7M6GfBtJf1opQ | ||||||
| SOA | ns11.constellix.comdns@constellix.com serial=2015014574 | ||||||
rank #457 globally
rank #60 in the tld
This domain name "kernel.org" is associated with the Linux Kernel Organization. The organization is a non-profit consortium dedicated to managing and distributing the open-source software of the Linux kernel. The kernel is a fundamental part of a computer's operating system. The website provides information about the latest kernel releases, kernel archives, news, and documentation. It is a crucial resource for developers, programmers, and other tech professionals who work with Linux operating systems.WOT: SAFE (95/100)
📈 Tranco rank: #1,306
PTR for
Same first word
Similar names
DNS History
5 records (2 active, 3 former)
○MXmail.kernel.org2015-06-13 → 2016-10-09 · 4 obs
● 2015-06-13 20:55:44
● 2016-10-09 21:20:18
○ 2021-06-30 00:44:10
○ 2026-05-10 01:15:10
● 2016-10-09 21:20:18
○ 2021-06-30 00:44:10
○ 2026-05-10 01:15:10
●MXsmtp.subspace.kernel.org2021-06-30 → 2026-05-10 · 3 obs
○ 2016-10-09 21:20:18
● 2021-06-30 00:44:10
● 2026-05-10 01:15:10
● 2021-06-30 00:44:10
● 2026-05-10 01:15:10
●A139.178.84.2172026-03-11 → 2026-05-10 · 3 obs
○ 2021-11-27 02:47:22
● 2026-03-11 10:42:12
● 2026-05-10 01:15:10
● 2026-03-11 10:42:12
● 2026-05-10 01:15:10
○A198.145.29.1462015-06-13 → 2016-10-09 · 4 obs
● 2015-06-13 20:55:44
● 2016-10-09 21:20:18
○ 2021-06-30 00:44:10
○ 2026-05-10 01:15:10
● 2016-10-09 21:20:18
○ 2021-06-30 00:44:10
○ 2026-05-10 01:15:10
○A198.145.29.832021-06-30 → 2021-11-27 · 5 obs
○ 2016-10-09 21:20:18
● 2021-06-30 00:44:10
● 2021-11-27 02:47:22
○ 2026-03-11 10:42:12
○ 2026-05-10 01:15:10
● 2021-06-30 00:44:10
● 2021-11-27 02:47:22
○ 2026-03-11 10:42:12
○ 2026-05-10 01:15:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| kernel.org | ns51.constellix.net, ns21.constellix.com, ns31.constellix.com, ns11.constellix.com... | - |
✅ Authoritative Response
Server:96.45.81.1
NS records: ns51.constellix.net, ns21.constellix.com, ns31.constellix.com, ns11.constellix.com, ns41.constellix.net, ns61.constellix.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kernel.org (unsigned zone)
⏱️ Timing
Total: 313ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 139.178.84.217 |
| MX | 1 | smtp.subspace.kernel.org (pri: 10) |
| TXT | 1 | v=spf1 include:_listspf.kernel.org ~all |
Analysis
IP Addresses
linux.kernel.org points to a single IP address: 139.178.84.217.
Other host names, for instance android.kernel.org, share IP numbers with linux.kernel.org.
Mail Servers
The smtp.subspace.kernel.org mail server handles linux.kernel.org.
linux.kernel.org shares the same mail server setup as other domains, such as android.kernel.org and vger.kernel.org.
smtp.subspace.kernel.org points to a single IP number: 44.238.234.78.