Yes — biotune.org has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
biotune.org has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3031::6815:52b3 answers · 443✓ 2606:4700:3032::ac43:a135 answers · 443
yes
www over IPv6
www.biotune.org has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3032::ac43:a135 answers · 443✓ 2606:4700:3031::6815:52b3 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.
clark.ns.cloudflare.com ✓kinsley.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Answered over IPv6 with a server error (HTTP 530) — can't tell whether that's specific to IPv6.
https://biotune.org/ via 2606:4700:3031::6815:52b3 → 530
?
 Which outside scripts, fonts, payments or chat biotune.org loads from have no IPv6.
 Load biotune.org 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/biotune.org.svg)](https://aaaa.bot/biotune.org)

Check again

biotune.org  Has IPv6

A (IPv4)172.67.161.53
104.21.82.179
AAAA (IPv6)2606:4700:3031::6815:52b3
2606:4700:3032::ac43:a135

www.biotune.org  Has IPv6

A (IPv4)172.67.161.53
104.21.82.179
AAAA (IPv6)2606:4700:3032::ac43:a135
2606:4700:3031::6815:52b3

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/f31NlWfgTo · How we measure

Checked 2026-11-13 16:36:01 UTC. Full DNS report: dns.pizza/domain/biotune.org · Age, certificate and blocklists: how.is/biotune.org · JSON: /api/v1/biotune.org