Yes — xfinity-media.com has IPv6.

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

IPv6 readiness

Works over IPv6, with one gap: its mail servers lack IPv6.

Website over IPv6 xfinity-media.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3031::6815:2517 answers · 443✓ 2606:4700:3032::ac43:cb47 answers · 443	yes
www over IPv6 www.xfinity-media.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3031::6815:2517 answers · 443✓ 2606:4700:3032::ac43:cb47 answers · 443	yes
Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. echo.mxrouting.net ✗echo-relay.mxrouting.net ✗	no
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. leif.ns.cloudflare.com ✓lorna.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
xfinity-media.com didn't complete an HTTPS request over IPv6 (timed out).

https://xfinity-media.com/ via 2606:4700:3031::6815:2517 · timed out

What's keeping xfinity-media.com from an A

Mail servers without IPv6
echo.mxrouting.net, echo-relay.mxrouting.net 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

xfinity-media.com Has IPv6

A (IPv4)	172.67.203.71 104.21.37.23
AAAA (IPv6)	2606:4700:3031::6815:2517 2606:4700:3032::ac43:cb47

www.xfinity-media.com Has IPv6

A (IPv4)	172.67.203.71 104.21.37.23
AAAA (IPv6)	2606:4700:3031::6815:2517 2606:4700:3032::ac43:cb47

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: xfinity-media.com
Measured 2026-11-13 03:28:39 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.203.71, 104.21.37.23
AAAA (IPv6): 2606:4700:3031::6815:2517, 2606:4700:3032::ac43:cb47
www AAAA:    2606:4700:3031::6815:2517, 2606:4700:3032::ac43:cb47

Readiness grade B: Works over IPv6, with one gap: its mail servers lack IPv6.
- Website over IPv6: xfinity-media.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3031::6815:2517: answers (TCP 443)
    2606:4700:3032::ac43:cb47: answers (TCP 443)
- www over IPv6: www.xfinity-media.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3031::6815:2517: answers (TCP 443)
    2606:4700:3032::ac43:cb47: answers (TCP 443)
- Mail servers (MX) have IPv6: None of the mail servers has an AAAA record.
- Nameservers have IPv6: 2 of 2 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): xfinity-media.com didn't complete an HTTPS request over IPv6 (timed out).
    https://xfinity-media.com/ via 2606:4700:3031::6815:2517, certificate: valid (timed out)
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/CiMB1sNbR6

Permanent link: aaaa.bot/r/CiMB1sNbR6 · How we measure

Checked 2026-11-13 03:28:39 UTC. Full DNS report: dns.pizza/domain/xfinity-media.com · Age, certificate and blocklists: how.is/xfinity-media.com · JSON: /api/v1/xfinity-media.com