Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 justkiro.work has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3031::6815:5b78 answers · 443✓ 2606:4700:3031::ac43:da33 answers · 443 | yes |
| Mail servers (MX) have IPv6 Every mail server has an AAAA record. route1.mx.cloudflare.net ✓route2.mx.cloudflare.net ✓route3.mx.cloudflare.net ✓ | yes |
| Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. frank.ns.cloudflare.com ✓sue.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 401. https://justkiro.work/ via 2606:4700:3031::6815:5b78 → 401 | works |
justkiro.work Has IPv6
| A (IPv4) | 172.67.218.51 104.21.91.120 |
|---|---|
| AAAA (IPv6) | 2606:4700:3031::6815:5b78 2606:4700:3031::ac43:da33 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/op63LyDFh0 · How we measure
Checked 2026-11-02 19:47:24 UTC. Full DNS report: dns.pizza/domain/justkiro.work · Age, certificate and blocklists: how.is/justkiro.work · JSON: /api/v1/justkiro.work