Yes — onix.exchange has IPv6.

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

This is a saved measurement from 2026-11-09 13:16 UTC. Check onix.exchange live now

B
IPv6 readiness
Works over IPv6, with one gap: its mail servers lack IPv6.
Website over IPv6
onix.exchange has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3037::ac43:b659 answers · 443✓ 2606:4700:3033::6815:201b answers · 443
yes
www over IPv6
www.onix.exchange has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3037::ac43:b659 answers · 443✓ 2606:4700:3033::6815:201b answers · 443
yes
Mail servers (MX) have IPv6
None of the mail servers has an AAAA record.
mx1.spacemail.com ✗mx2.spacemail.com ✗
no
Nameservers have IPv6
2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
alexia.ns.cloudflare.com ✓gerald.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.
https://onix.exchange/ via 2606:4700:3037::ac43:b659 → 200
works

What's keeping onix.exchange from an A

  1. Mail servers without IPv6
    mx1.spacemail.com, mx2.spacemail.com 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

onix.exchange  Has IPv6

A (IPv4)104.21.32.27
172.67.182.89
AAAA (IPv6)2606:4700:3037::ac43:b659
2606:4700:3033::6815:201b

www.onix.exchange  Has IPv6

A (IPv4)104.21.32.27
172.67.182.89
AAAA (IPv6)2606:4700:3037::ac43:b659
2606:4700:3033::6815:201b

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/Gm6DYQWI62 · How we measure

Checked 2026-11-09 13:16:46 UTC. Full DNS report: dns.pizza/domain/onix.exchange · Age, certificate and blocklists: how.is/onix.exchange · JSON: /api/v1/onix.exchange