Has both IPv4 (A) and IPv6 (AAAA) addresses.
Measured 2026-11-03 04:23 UTC. We reuse a result for up to a week, so we aren't testing the same site over and over. Check fina-z-online-at-253.sbs now
| Website over IPv6 fina-z-online-at-253.sbs has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3031::6815:49cd answers · 443✓ 2606:4700:3035::ac43:c025 answers · 443 | yes |
| www over IPv6 www.fina-z-online-at-253.sbs has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::ac43:c025 answers · 443✓ 2606:4700:3031::6815:49cd 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. lamar.ns.cloudflare.com ✓pam.ns.cloudflare.com ✓ | yes |
First measured 2026-11-03; last confirmed 2026-11-03.
| HTTPS over IPv6 · not part of the grade yet Answered over IPv6 with a server error (HTTP 521) — can't tell whether that's specific to IPv6. https://fina-z-online-at-253.sbs/ via 2606:4700:3031::6815:49cd → 521 | ? |
fina-z-online-at-253.sbs Has IPv6
| A (IPv4) | 104.21.73.205 172.67.192.37 |
|---|---|
| AAAA (IPv6) | 2606:4700:3031::6815:49cd 2606:4700:3035::ac43:c025 |
www.fina-z-online-at-253.sbs Has IPv6
| A (IPv4) | 172.67.192.37 104.21.73.205 |
|---|---|
| AAAA (IPv6) | 2606:4700:3035::ac43:c025 2606:4700:3031::6815:49cd |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/1u9oZeaq6s · How we measure
Checked 2026-11-03 04:23:25 UTC. Full DNS report: dns.pizza/domain/fina-z-online-at-253.sbs · Age, certificate and blocklists: how.is/fina-z-online-at-253.sbs · JSON: /api/v1/fina-z-online-at-253.sbs