Yes — capitalonenorthamerica.com has IPv6.

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

This is a saved measurement from 2026-11-02 01:12 UTC. Check capitalonenorthamerica.com live now

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
capitalonenorthamerica.com has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3033::6815:26d1 answers · 443✓ 2606:4700:3035::ac43:8a94 answers · 443
yes
Mail servers (MX) have IPv6
Every mail server has an AAAA record.
smtp.google.com ✓
yes
Nameservers have IPv6
2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
dexter.ns.cloudflare.com ✓liberty.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Redirects to www.capitalone.com, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.
https://capitalonenorthamerica.com/ via 2606:4700:3033::6815:26d1 → 301http://www.capitalone.com/ · redirects to www.capitalone.com, which has no IPv6 address
problem

Nothing keeping you from an A

  1. A redirect leads off IPv6
    Redirects to www.capitalone.com, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all. Give the redirect target IPv6 too, or redirect somewhere that has it.

Check again

capitalonenorthamerica.com  Has IPv6

A (IPv4)104.21.38.209
172.67.138.148
AAAA (IPv6)2606:4700:3033::6815:26d1
2606:4700:3035::ac43:8a94

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

 Permanent link: aaaa.bot/r/07u7ZU2r6F · How we measure

Checked 2026-11-02 01:12:29 UTC. Full DNS report: dns.pizza/domain/capitalonenorthamerica.com · JSON: /api/v1/capitalonenorthamerica.com