Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 wa577.sbs has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::6815:24ee answers · 443✓ 2606:4700:3035::ac43:c930 answers · 443 | yes |
| www over IPv6 www.wa577.sbs has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::ac43:c930 answers · 443✓ 2606:4700:3030::6815:24ee 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. coraline.ns.cloudflare.com ✓junade.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 200. https://wa577.sbs/ via 2606:4700:3030::6815:24ee → 200 | works |
wa577.sbs Has IPv6
| A (IPv4) | 104.21.36.238 172.67.201.48 |
|---|---|
| AAAA (IPv6) | 2606:4700:3030::6815:24ee 2606:4700:3035::ac43:c930 |
www.wa577.sbs Has IPv6
| A (IPv4) | 104.21.36.238 172.67.201.48 |
|---|---|
| AAAA (IPv6) | 2606:4700:3035::ac43:c930 2606:4700:3030::6815:24ee |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/PcHm5E8hJp · How we measure
Checked 2026-11-14 07:58:14 UTC. Full DNS report: dns.pizza/domain/wa577.sbs · Age, certificate and blocklists: how.is/wa577.sbs · JSON: /api/v1/wa577.sbs