Yes — trezor-synch.com has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
trezor-synch.com has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3034::ac43:8b22 answers · 443✓ 2606:4700:3030::6815:570b answers · 443
yes
Mail servers (MX) have IPv6
No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record.		yes
Nameservers have IPv6
2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
hassan.ns.cloudflare.com ✓romina.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 403.
https://trezor-synch.com/ via 2606:4700:3034::ac43:8b22 → 403
works
 Load trezor-synch.com 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/trezor-synch.com.svg)](https://aaaa.bot/trezor-synch.com)

Check again

trezor-synch.com  Has IPv6

A (IPv4)172.67.139.34
104.21.87.11
AAAA (IPv6)2606:4700:3034::ac43:8b22
2606:4700:3030::6815:570b

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/fK5CLhc-3R · How we measure

Checked 2026-11-01 20:12:42 UTC. Full DNS report: dns.pizza/domain/trezor-synch.com · JSON: /api/v1/trezor-synch.com