Yes — opensketch.dev has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
opensketch.dev has an AAAA record and answers on it.
✓ 2a09:8280:1::1b9:9a0b:0 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.
ganz.ns.cloudflare.com ✓venus.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 401.
https://opensketch.dev/ via 2a09:8280:1::1b9:9a0b:0 → 401
works
 Which outside scripts, fonts, payments or chat opensketch.dev loads from have no IPv6.
 Load opensketch.dev 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/opensketch.dev.svg)](https://aaaa.bot/opensketch.dev)

Check again

opensketch.dev  Has IPv6

A (IPv4)66.241.125.179
AAAA (IPv6)2a09:8280:1::1b9:9a0b:0

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/dShQnbrl-r · How we measure

Checked 2026-11-06 18:47:16 UTC. Full DNS report: dns.pizza/domain/opensketch.dev · Age, certificate and blocklists: how.is/opensketch.dev · JSON: /api/v1/opensketch.dev