Yes — poasio.com has IPv6.

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

This is a saved measurement from 2026-10-31 19:06 UTC. Check poasio.com live now

B
IPv6 readiness
Works over IPv6, with one gap: its mail servers lack IPv6.
Website over IPv6
poasio.com has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3032::6815:5f08 answers · 443✓ 2606:4700:3034::ac43:8e7b answers · 443
yes
www over IPv6
www.poasio.com has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3032::6815:5f08 answers · 443✓ 2606:4700:3034::ac43:8e7b answers · 443
yes
Mail servers (MX) have IPv6
None of the mail servers has an AAAA record.
blackhole.aftermarket.pl ✗
no
Nameservers have IPv6
2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
may.ns.cloudflare.com ✓sid.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.
https://poasio.com/ via 2606:4700:3032::6815:5f08 → 200
works

What's keeping poasio.com from an A

  1. Mail servers without IPv6
    blackhole.aftermarket.pl has no AAAA record, so mail from IPv6-only servers can't reach it directly. If a provider runs your mail, that's their setting; if you run it, add AAAA records for these hosts.

Check again

poasio.com  Has IPv6

A (IPv4)104.21.95.8
172.67.142.123
AAAA (IPv6)2606:4700:3032::6815:5f08
2606:4700:3034::ac43:8e7b

www.poasio.com  Has IPv6

A (IPv4)172.67.142.123
104.21.95.8
AAAA (IPv6)2606:4700:3032::6815:5f08
2606:4700:3034::ac43:8e7b

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/PHA2wBx2du · How we measure

Checked 2026-10-31 19:06:55 UTC. Full DNS report: dns.pizza/domain/poasio.com · JSON: /api/v1/poasio.com