backports.docs.kernel.org - dns.ninja
backports.docs.kernel.org
| CNAME | docs.kernel.org | ||||||
| CNAME | dualstack.d.sni.global.fastly.net | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a04:4e42:56::645🇺🇸 Fastly2a04:4e42:56::/48 | ||||||
| A | 151.101.46.133🇺🇸 Fastly151.101.44.0/22 | ||||||
docs.kernel.org
| CNAME | dualstack.d.sni.global.fastly.net | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a04:4e42:56::645🇺🇸 Fastly2a04:4e42:56::/48 | ||||||
| A | 151.101.46.133🇺🇸 Fastly151.101.44.0/22 | ||||||
WOT: SAFE (95/100)
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●CNAMEdocs.kernel.org2026-03-24 → 2026-06-08 · 2 obs
● 2026-03-24 21:24:40
● 2026-06-08 16:38:44
● 2026-06-08 16:38:44
🔍 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 | ns31.constellix.com, ns21.constellix.com, ns51.constellix.net, ns61.constellix.net... | - |
✅ Authoritative Response
Server:46.31.236.1
NS records: ns31.constellix.com, ns21.constellix.com, ns51.constellix.net, ns61.constellix.net, ns11.constellix.com, ns41.constellix.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kernel.org (unsigned zone)
⏱️ Timing
Total: 297ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | docs.kernel.org |
Analysis
IP Addresses
backports.docs.kernel.org points to two IP numbers: 151.101.46.133 and 2a04:4e42:56::645.
Two other host names, along with retty.map.fastly.net, dualstack.d.sni.global.fastly.net and jat.map.fastly.net, also share IP numbers with backports.docs.kernel.org.