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384.5 M

Domains known to webXtrend

9.4 M

New domains in the last 30 days

62.8 M

Social media profiles detected

kernel.org

Get an email when its DNS, website or certificate changes.

kernel.org serves a website of its own over HTTPS. It answers on both IPv4 and IPv6, with a valid TLS certificate and MX records for mail.

2 other domains share an IP address with it, and 87 domains redirect to it.

The most recent crawl returned the page title “The Linux Kernel Archives” and 19,148 bytes of HTML.

Domain properties

Property Value Explanation
Top-level domain .org Statistics for all domains we know under this TLD.
Has website yes A website is hosted under the domain, which does not redirect to an external domain.
Has MX-record yes The domain has an MX record.
External redirect no The domain redirects to another domain.
Redirect to https yes The domain redirects to https.
Redirect to www. no The domain redirects to www.domain.
Only with www. no The domain can only be reached with the subdomain "www".
Only DNS, no website no There are no A or AAAA records in DNS.
IP-Address Both Shows whether the domain only has IPv4 or IPv6 or both.
SSL-Certificate valid Shows whether the domain has a valid SSL certificate.
Redirects 87 Number of domains that redirect to this domain.
Reverse IP 2 Number of domains with the same IP(s).

This data through the API

The data on this page is also available as JSON: /lookup for the key facts, /reverseip, /redirect and /similar for the lists, and /dnshistory with Basic and Premium. A free account comes with an API key and 100 calls a day.

curl -X POST https://api.webxtrend.com/v1.0/lookup \
  -H 'Content-Type: application/json' \
  -d '{"token": "YOUR_TOKEN", "query": "kernel.org"}'

Create a free account Read the API docs

Detected social media networks

No social networks found on this website.

Similar websites

Many other domains show this page almost word for word (typically a website builder, hosting or registrar default page), so there is nothing specific to compare.

Websites whose start page offers something similar, found by comparing the text of their start pages, across languages. Near-identical copies, parking pages and error pages are left out. The full list of up to 100 comes through the API: similar websites.

Last SSL certificate

Issuer Let's Encrypt
Valid from 8/14/2026
Valid to 11/12/2026
Time until expiry 23 days

Last successful crawl

Title The Linux Kernel Archives
Description (not set)
Content-Length 19,148 bytes

Title and description as published by the page itself in its own <title> and <meta name="description"> tags.

DNS history

IPv4 address Last updated
172.105.4.254 11/29/2025
139.178.84.217 8/31/2024
147.75.193.91 8/27/2024
139.178.84.217 12/10/2023
IPv6 address Last updated
2600:3c04:e001:324:0:1991:8:25 11/29/2025
2604:1380:4641:c500:0:0:0:1 8/31/2024
2604:1380:45d1:ec00:0:0:0:3 8/27/2024
2604:1380:4641:c500:0:0:0:1 12/10/2023
Mail server Priority Last updated
smtp1.kernel.org 10 1/1/2024
smtp2.kernel.org 10 1/1/2024
smtp3.kernel.org 10 1/1/2024
Name server Last updated
ns11.constellix.com 12/10/2023
ns21.constellix.com 12/10/2023
ns31.constellix.com 12/10/2023
ns41.constellix.net 12/10/2023
ns51.constellix.net 12/10/2023

The five most recent states of each record type. The full history comes through the API: DNS history.

Most recent redirect domains

Domain Last seen
kernel.social 10/20/2026
mirrors.moe 10/19/2026
cowboy-team.top 10/19/2026
willdeacon.co.uk 10/18/2026
krungale.org 10/18/2026
kernelplanet.org 10/18/2026
kswapd0.com 10/18/2026
fanstie.com 10/18/2026
linux.dev 10/18/2026
elephant.games 10/17/2026
linuxsys.de 10/17/2026
winzoom.shop 10/16/2026
and 75 more

Reverse IP neighbours

2600:3c04:e001:324::1991:8:25 1 domain · here since 9/19/2026
Domain On this IP since
No other domains on this address.
172.105.4.254 1 domain · here since 9/19/2026
Domain On this IP since
No other domains on this address.

Sharing an address does not always mean sharing a server: on a CDN or a large hosting platform, millions of unrelated domains answer on the same few addresses. We measured how far that goes in Half the web sits on 276 IP addresses. The complete list of neighbours, also for an IP address, comes through the API: reverse IP lookup.