Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 ardo-lang.org has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::ac43:9c8b answers · 443✓ 2606:4700:3033::6815:7ee 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.org/ via 2606:4700:3036::ac43:9c8b → 303https://ardo-lang.org/login?next=%2F via 2606:4700:3036::ac43:9c8b → 200 | works |
ardo-lang.org Has IPv6
| A (IPv4) | 172.67.156.139 104.21.7.238 |
|---|---|
| AAAA (IPv6) | 2606:4700:3036::ac43:9c8b 2606:4700:3033::6815:7ee |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/ACklhOGGXf · How we measure
Checked 2026-11-06 14:24:06 UTC. Full DNS report: dns.pizza/domain/ardo-lang.org · Age, certificate and blocklists: how.is/ardo-lang.org · JSON: /api/v1/ardo-lang.org