Yes — cnn.com has IPv6.

Has both IPv4 (A) and IPv6 (AAAA) addresses.

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 cnn.com has 4 IPv6 addresses and answers on every one we tested. ✓ 2a04:4e42:400::773 answers · 443✓ 2a04:4e42:600::773 answers · 443✓ 2a04:4e42:200::773 answers · 443✓ 2a04:4e42::773 answers · 443	yes
www over IPv6 www.cnn.com has 4 IPv6 addresses and answers on every one we tested. ✓ 2a04:4e42:200::773 answers · 443✓ 2a04:4e42:400::773 answers · 443✓ 2a04:4e42:600::773 answers · 443✓ 2a04:4e42::773 answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. cnn-com.mail.protection.outlook.com ✓	yes
Nameservers have IPv6 4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. ns-1242.awsdns-27.org ✓ns-1652.awsdns-14.co.uk ✓ns-378.awsdns-47.com ✓ns-587.awsdns-09.net ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.

https://cnn.com/ via 2a04:4e42:400::773 → 301https://www.cnn.com/ via 2a04:4e42:200::773 → 200

works

Nothing keeping you from an A

Nothing to fix
Show it off: add the badge to your README.
[![IPv6](https://aaaa.bot/badge/cnn.com.svg)](https://aaaa.bot/cnn.com)

Check again

cnn.com Has IPv6

A (IPv4)	151.101.3.5 151.101.67.5 151.101.131.5 151.101.195.5
AAAA (IPv6)	2a04:4e42:400::773 2a04:4e42:600::773 2a04:4e42:200::773 2a04:4e42::773

www.cnn.com Has IPv6

Alias of	cnn-tls.map.fastly.net
A (IPv4)	151.101.131.5 151.101.195.5 151.101.3.5 151.101.67.5
AAAA (IPv6)	2a04:4e42:200::773 2a04:4e42:400::773 2a04:4e42:600::773 2a04:4e42::773

Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).

Copy the evidence — a citation-ready record of this measurement

IPv6 measurement: cnn.com
Measured 2026-10-30 21:27:35 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    151.101.3.5, 151.101.67.5, 151.101.131.5, 151.101.195.5
AAAA (IPv6): 2a04:4e42:400::773, 2a04:4e42:600::773, 2a04:4e42:200::773, 2a04:4e42::773
www AAAA:    2a04:4e42:200::773, 2a04:4e42:400::773, 2a04:4e42:600::773, 2a04:4e42::773

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: cnn.com has 4 IPv6 addresses and answers on every one we tested.
    2a04:4e42:400::773: answers (TCP 443)
    2a04:4e42:600::773: answers (TCP 443)
    2a04:4e42:200::773: answers (TCP 443)
    2a04:4e42::773: answers (TCP 443)
- www over IPv6: www.cnn.com has 4 IPv6 addresses and answers on every one we tested.
    2a04:4e42:200::773: answers (TCP 443)
    2a04:4e42:400::773: answers (TCP 443)
    2a04:4e42:600::773: answers (TCP 443)
    2a04:4e42::773: answers (TCP 443)
- Mail servers (MX) have IPv6: Every mail server has an AAAA record.
- Nameservers have IPv6: 4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.

Reachability = a TCP connection opened on port 443 (or 80).

HTTPS over IPv6 (not graded): Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.
    https://cnn.com/ via 2a04:4e42:400::773 -> HTTP 301, certificate: valid
    https://www.cnn.com/ via 2a04:4e42:200::773 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/nJhJ2-1VUW

Permanent link: aaaa.bot/r/nJhJ2-1VUW · How we measure

Checked 2026-10-30 21:27:35 UTC. Full DNS report: dns.pizza/domain/cnn.com · JSON: /api/v1/cnn.com