Domain · Tranco #1,254
kernel.org
kernel.org is ranked #1,254 among the world's most-visited sites (Tranco). It resolves to 172.105.4.254, hosted on tor.source.kernel.org, and presents a TLS certificate issued by Let's Encrypt.
HTTP 200| Tranco rank | #1,254 |
|---|---|
| IPv4 | 172.105.4.254 |
| IPv6 | 2600:3c04:e001:324:0:1991:8:25 |
| Hosting / reverse DNS | tor.source.kernel.org |
| Nameservers | ns11.constellix.com, ns21.constellix.com, ns31.constellix.com, ns41.constellix.net |
| Mail servers (MX) | smtp2.kernel.org (10), smtp1.kernel.org (10), smtp3.kernel.org (10) |
| HTTP status | 200 |
| Web server | nginx |
| Page title | The Linux Kernel Archives |
| Detected tech | nginx |
| TLS certificate | Let's Encrypt · expires 2026-09-13 |
Linked company
This domain's name matches a legal entity in our directory:
Notable DNS TXT records
google-site-verification=nb4Wx5xBQM3b-a3OV2KSlPL786714Y7M6GfBtJf1opQv=spf1 include:_spf.kernel.org ~all
More .org domains
FAQ
What is the IP address of kernel.org?
kernel.org resolves to 172.105.4.254 (tor.source.kernel.org).
Who issued the SSL certificate for kernel.org?
The TLS/SSL certificate for kernel.org was issued by Let's Encrypt, valid until 2026-09-13.
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Start free on Mewayz →DNS/HTTP/TLS observed 2026-08-06; registration data via RDAP. Informational only. Download JSON · CSV · Browse domains