Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 ardo-lang.dev has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::6815:3b29 answers · 443✓ 2606:4700:3034::ac43:d57a 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. dion.ns.cloudflare.com ✓oaklyn.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200. https://ardo-lang.dev/ via 2606:4700:3032::6815:3b29 → 303https://ardo-lang.dev/login?next=%2F via 2606:4700:3032::6815:3b29 → 200 | works |
ardo-lang.dev Has IPv6
| A (IPv4) | 104.21.59.41 172.67.213.122 |
|---|---|
| AAAA (IPv6) | 2606:4700:3032::6815:3b29 2606:4700:3034::ac43:d57a |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/m5HDYpvK_u · How we measure
Checked 2026-11-08 03:16:58 UTC. Full DNS report: dns.pizza/domain/ardo-lang.dev · Age, certificate and blocklists: how.is/ardo-lang.dev · JSON: /api/v1/ardo-lang.dev