Yes — cloudflare.net has IPv6.

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

B
IPv6 readiness
The website works over IPv6; mail doesn't fully.
Website over IPv6
cloudflare.net has an AAAA record and answers on it.		yes
www over IPv6
www.cloudflare.net has an AAAA record and answers on it.		yes
Mail servers (MX) have IPv6
None of the mail servers has an AAAA record.
mailstream-canary.mxrecord.io ✗mailstream-east.mxrecord.io ✗mailstream-west.mxrecord.io ✗mailstream-central.mxrecord.mx ✗
no
Nameservers have IPv6
5 of 5 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
ns1.cloudflare.net ✓ns2.cloudflare.net ✓ns3.cloudflare.net ✓ns4.cloudflare.net ✓ns5.cloudflare.net ✓
yes
 Load cloudflare.net over IPv6 from up to six other places — a second opinion.

What's keeping cloudflare.net from an A

  1. Mail servers without IPv6
    mailstream-canary.mxrecord.io, mailstream-east.mxrecord.io, mailstream-west.mxrecord.io, mailstream-central.mxrecord.mx have no AAAA record, so mail from IPv6-only servers can't reach them directly. If a provider runs your mail, that's their setting; if you run it, add AAAA records for these hosts.

Check again

cloudflare.net  Has IPv6

A (IPv4)104.16.208.90
104.17.156.85
AAAA (IPv6)2606:4700::6810:d05a
2606:4700::6811:9c55

www.cloudflare.net  Has IPv6

A (IPv4)104.16.208.90
104.17.156.85
AAAA (IPv6)2606:4700::6810:d05a
2606:4700::6811:9c55

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

Checked 2026-10-30 14:52:01 UTC — one of the top 1,000 sites, re-checked weekly. Re-check now. Full DNS report: dns.pizza/domain/cloudflare.net · JSON: /api/v1/cloudflare.net