Yes — 1stdev.link has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
1stdev.link has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3030::ac43:dd1b answers · 443✓ 2606:4700:3030::6815:35f4 answers · 443
yes
www over IPv6
www.1stdev.link has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3030::6815:35f4 answers · 443✓ 2606:4700:3030::ac43:dd1b 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.
lana.ns.cloudflare.com ✓pablo.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 403.
https://1stdev.link/ via 2606:4700:3030::ac43:dd1b → 403
works
 Load 1stdev.link 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/1stdev.link.svg)](https://aaaa.bot/1stdev.link)

Check again

1stdev.link  Has IPv6

A (IPv4)172.67.221.27
104.21.53.244
AAAA (IPv6)2606:4700:3030::ac43:dd1b
2606:4700:3030::6815:35f4

www.1stdev.link  Has IPv6

A (IPv4)104.21.53.244
172.67.221.27
AAAA (IPv6)2606:4700:3030::6815:35f4
2606:4700:3030::ac43:dd1b

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/d4lHkPFfdo · How we measure

Checked 2026-11-01 00:49:29 UTC. Full DNS report: dns.pizza/domain/1stdev.link · JSON: /api/v1/1stdev.link