Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 bestbuycomputer.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::ac43:d02f answers · 443✓ 2606:4700:3032::6815:5d57 answers · 443 | yes |
| www over IPv6 www.bestbuycomputer.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::6815:5d57 answers · 443✓ 2606:4700:3033::ac43:d02f answers · 443 | yes |
| Mail servers (MX) have IPv6 Every mail server has an AAAA record. route1.mx.cloudflare.net ✓route3.mx.cloudflare.net ✓route2.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. marlowe.ns.cloudflare.com ✓toby.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 200. https://bestbuycomputer.com/ via 2606:4700:3033::ac43:d02f → 200 | works |
bestbuycomputer.com Has IPv6
| A (IPv4) | 172.67.208.47 104.21.93.87 |
|---|---|
| AAAA (IPv6) | 2606:4700:3033::ac43:d02f 2606:4700:3032::6815:5d57 |
www.bestbuycomputer.com Has IPv6
| A (IPv4) | 104.21.93.87 172.67.208.47 |
|---|---|
| AAAA (IPv6) | 2606:4700:3032::6815:5d57 2606:4700:3033::ac43:d02f |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/GMFTX2Zefy · How we measure
Checked 2026-11-10 05:14:15 UTC. Full DNS report: dns.pizza/domain/bestbuycomputer.com · Age, certificate and blocklists: how.is/bestbuycomputer.com · JSON: /api/v1/bestbuycomputer.com