docs.kernel.org - dns.ninja

docs.kernel.org

CNAMEdualstack.d.sni.global.fastly.net
DNSSEC⚠️ Not signed
A2a04:4e42:56::645🇺🇸 Fastly2a04:4e42:56::/48
A199.232.90.133🇺🇸 Fastly199.232.88.0/22

kernel.org

DNSSEC⚠️ Not signed
A2600:3c04:e001:324:0:1991:8:25🇨🇦 AKAMAI-LINODE-AP2600:3c04::/32 Akamai Technologies
A172.105.4.254🇨🇦 AKAMAI-LINODE-AP172.105.0.0/19 Akamai Technologies
NSns11.constellix.com ⭐
NSns21.constellix.com
NSns31.constellix.com
NSns41.constellix.net
NSns51.constellix.net
NSns61.constellix.net
MXsmtp1.kernel.org ⭐
MXsmtp2.kernel.org ⭐
MXsmtp3.kernel.org ⭐
TXTv=spf1 include:_spf.kernel.org ~all
TXTgoogle-site-verification=nb4Wx5xBQM3b-a3OV2KSlPL786714Y7M6GfBtJf1opQ
SOAns11.constellix.comdns@constellix.com serial=2015014659
WOT: SAFE (95/100)
rank #437 globally
rank #55 in the tld
WOT: SAFE (95/100)
📈 Tranco rank: #1,279

Subdomains

rust.docs.kernel.org
korg.docs.kernel.org
backports.docs.kernel.org

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DNS History

1 record (1 active, 0 former)

CNAMEdualstack.d.sni.global.fastly.net
●CNAMEdualstack.d.sni.global.fastly.net2026-02-28 → 2026-06-08 · 2 obs
● 2026-02-28 01:27:54
● 2026-06-08 13:45:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
kernel.orgns11.constellix.com, ns61.constellix.net, ns31.constellix.com, ns41.constellix.net...-

✅ Authoritative Response

Server:96.45.80.1

NS records: ns11.constellix.com, ns61.constellix.net, ns31.constellix.com, ns41.constellix.net, ns51.constellix.net, ns21.constellix.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kernel.org (unsigned zone)

⏱️ Timing

Total: 751ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1dualstack.d.sni.global.fastly.net

Analysis

Hierarchy

docs.kernel.org is a parent domain, with rust.docs.kernel.org, korg.docs.kernel.org and backports.docs.kernel.org beneath it.

IP Addresses

docs.kernel.org points to two IP numbers: 199.232.90.133 and 2a04:4e42:56::645.

Other host names, for instance scratchfoundation.map.fastly.net, login.spotify.map.fastly.net and pieceofcake.map.fastly.net share IP numbers with docs.kernel.org.