`backports.docs.kernel.org`

	CNAME	`docs.kernel.org`
	CNAME	`dualstack.d.sni.global.fastly.net`
	DNSSEC	⚠️ Not signed
	A	2a04:4e42:79::645^{🇺🇸 Fastly2a04:4e42:79::/48}
	A	146.75.38.133^{🇺🇸 Fastly146.75.36.0/22}

`docs.kernel.org`

	CNAME	`dualstack.d.sni.global.fastly.net`
	DNSSEC	⚠️ Not signed
	A	2a04:4e42:79::645^{🇺🇸 Fastly2a04:4e42:79::/48}
	A	146.75.38.133^{🇺🇸 Fastly146.75.36.0/22}

WOT: SAFE (95/100)
WOT: SAFE (95/100)

Same first word

backports.org

Similar names

sportback.it

sportback.com

sportback.fr

backsport.net

sportback.org

DNS History

1 record (1 active, 0 former)

●CNAMEdocs.kernel.org2026-03-24 → 2026-05-10 · 2 obs

● 2026-03-24 21:24:40
● 2026-05-10 21:12:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
kernel.org	ns31.constellix.com, ns11.constellix.com, ns51.constellix.net, ns61.constellix.net...	-

✅ Authoritative Response

Server:96.45.81.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kernel.org (unsigned zone)

⏱️ Timing

Total: 231ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`docs.kernel.org`

Analysis

IP Addresses

backports.docs.kernel.org points to two IP numbers: 2a04:4e42:79::645 and 146.75.38.133.

Other host names such as fastly-terrarium.map.fastly.net, greenhouse.map.fastly.net, cloudinary-sni.map.fastly.net, dualstack.d.sni.global.fastly.net and prensaiberica.map.fastly.net share IPs with backports.docs.kernel.org.

backports.docs.kernel.org - robtex.com