Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 bw300.sbs has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3031::6815:27cb answers · 443✓ 2606:4700:3034::ac43:9479 answers · 443 | yes |
| www over IPv6 www.bw300.sbs has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::ac43:9479 answers · 443✓ 2606:4700:3031::6815:27cb 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. dee.ns.cloudflare.com ✓ken.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 200. https://bw300.sbs/ via 2606:4700:3031::6815:27cb → 200 | works |
bw300.sbs Has IPv6
| A (IPv4) | 172.67.148.121 104.21.39.203 |
|---|---|
| AAAA (IPv6) | 2606:4700:3031::6815:27cb 2606:4700:3034::ac43:9479 |
www.bw300.sbs Has IPv6
| A (IPv4) | 172.67.148.121 104.21.39.203 |
|---|---|
| AAAA (IPv6) | 2606:4700:3034::ac43:9479 2606:4700:3031::6815:27cb |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/0ud5qgc8_o · How we measure
Checked 2026-11-12 05:08:25 UTC. Full DNS report: dns.pizza/domain/bw300.sbs · Age, certificate and blocklists: how.is/bw300.sbs · JSON: /api/v1/bw300.sbs