Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 usebarclaysimpsonlaunch.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::6815:754 answers · 443✓ 2606:4700:3034::ac43:87e7 answers · 443 | yes |
| www over IPv6 www.usebarclaysimpsonlaunch.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::ac43:87e7 answers · 443✓ 2606:4700:3030::6815:754 answers · 443 | yes |
| Mail servers (MX) have IPv6 Every mail server has an AAAA record. aspmx.l.google.com ✓alt3.aspmx.l.google.com ✓alt4.aspmx.l.google.com ✓alt1.aspmx.l.google.com ✓alt2.aspmx.l.google.com ✓ | yes |
| Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. arturo.ns.cloudflare.com ✓joselyn.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 404. https://usebarclaysimpsonlaunch.com/ via 2606:4700:3030::6815:754 → 404 | works |
usebarclaysimpsonlaunch.com Has IPv6
| A (IPv4) | 172.67.135.231 104.21.7.84 |
|---|---|
| AAAA (IPv6) | 2606:4700:3030::6815:754 2606:4700:3034::ac43:87e7 |
www.usebarclaysimpsonlaunch.com Has IPv6
| A (IPv4) | 104.21.7.84 172.67.135.231 |
|---|---|
| AAAA (IPv6) | 2606:4700:3034::ac43:87e7 2606:4700:3030::6815:754 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/vGQNtsVfkU · How we measure
Checked 2026-10-31 06:14:11 UTC. Full DNS report: dns.pizza/domain/usebarclaysimpsonlaunch.com · JSON: /api/v1/usebarclaysimpsonlaunch.com