Yes — pro.best has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
pro.best has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3037::6815:4496 answers · 443✓ 2606:4700:3037::ac43:c451 answers · 443
yes
www over IPv6
www.pro.best has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3037::6815:4496 answers · 443✓ 2606:4700:3037::ac43:c451 answers · 443
yes
Mail servers (MX) have IPv6
Null MX — this domain says it doesn't receive mail.		n/a
Nameservers have IPv6
2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
aria.ns.cloudflare.com ✓fred.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.
https://pro.best/ via 2606:4700:3037::6815:4496 → 301https://pros.best/ via 2606:4700:3030::ac43:cf23 → 200
works
 Load pro.best over IPv6 from up to six other places — a second opinion.

Nothing keeping you from an A

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

Check again

pro.best  Has IPv6

A (IPv4)104.21.68.150
172.67.196.81
AAAA (IPv6)2606:4700:3037::6815:4496
2606:4700:3037::ac43:c451

www.pro.best  Has IPv6

A (IPv4)104.21.68.150
172.67.196.81
AAAA (IPv6)2606:4700:3037::6815:4496
2606:4700:3037::ac43:c451

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/UfZg2yxiOu · How we measure

Checked 2026-11-01 02:52:18 UTC. Full DNS report: dns.pizza/domain/pro.best · JSON: /api/v1/pro.best