Yes — tax-refund.help has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
tax-refund.help has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3030::6815:48b9 answers · 443✓ 2606:4700:3030::ac43:99db 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.
aragorn.ns.cloudflare.com ✓grace.ns.cloudflare.com ✓
yes

First measured 2026-11-01; last confirmed 2026-11-01.

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.
https://tax-refund.help/ via 2606:4700:3030::6815:48b9 → 200
works
 Which outside scripts, fonts, payments or chat tax-refund.help loads from have no IPv6.
 Load tax-refund.help 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/tax-refund.help.svg)](https://aaaa.bot/tax-refund.help)

Check again

tax-refund.help  Has IPv6

A (IPv4)104.21.72.185
172.67.153.219
AAAA (IPv6)2606:4700:3030::6815:48b9
2606:4700:3030::ac43:99db

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/XFRh2nxow0 · How we measure

Checked 2026-11-10 07:57:55 UTC. Full DNS report: dns.pizza/domain/tax-refund.help · Age, certificate and blocklists: how.is/tax-refund.help · JSON: /api/v1/tax-refund.help