Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 mytwitterbutler.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::ac43:b141 answers · 443✓ 2606:4700:3035::6815:334c answers · 443 | yes |
| www over IPv6 www.mytwitterbutler.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::6815:334c answers · 443✓ 2606:4700:3037::ac43:b141 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. emily.ns.cloudflare.com ✓yoxall.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 200. https://mytwitterbutler.com/ via 2606:4700:3037::ac43:b141 → 200 | works |
mytwitterbutler.com Has IPv6
| A (IPv4) | 104.21.51.76 172.67.177.65 |
|---|---|
| AAAA (IPv6) | 2606:4700:3037::ac43:b141 2606:4700:3035::6815:334c |
www.mytwitterbutler.com Has IPv6
| A (IPv4) | 104.21.51.76 172.67.177.65 |
|---|---|
| AAAA (IPv6) | 2606:4700:3035::6815:334c 2606:4700:3037::ac43:b141 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/_JWQwgj4EE · How we measure
Checked 2026-11-09 11:53:51 UTC. Full DNS report: dns.pizza/domain/mytwitterbutler.com · Age, certificate and blocklists: how.is/mytwitterbutler.com · JSON: /api/v1/mytwitterbutler.com