Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 good-sleep-tracker.sbs has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::ac43:df18 answers · 443✓ 2606:4700:3030::6815:361e 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. colin.ns.cloudflare.com ✓laura.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 401. https://good-sleep-tracker.sbs/ via 2606:4700:3037::ac43:df18 → 401 | works |
good-sleep-tracker.sbs Has IPv6
| A (IPv4) | 172.67.223.24 104.21.54.30 |
|---|---|
| AAAA (IPv6) | 2606:4700:3037::ac43:df18 2606:4700:3030::6815:361e |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/ftYg4gkZzD · How we measure
Checked 2026-11-15 02:35:34 UTC. Full DNS report: dns.pizza/domain/good-sleep-tracker.sbs · Age, certificate and blocklists: how.is/good-sleep-tracker.sbs · JSON: /api/v1/good-sleep-tracker.sbs