Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 firstmobile.tech has an AAAA record and answers on it. ✓ 2a02:4780:5e:91e9::1 answers · 443 | yes |
| www over IPv6 www.firstmobile.tech has an AAAA record and answers on it. ✓ 2a02:4780:5e:91e9::1 answers · 443 | yes |
| Mail servers (MX) have IPv6 Every mail server has an AAAA record. firstmobile.tech ✓ | yes |
| Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. cosmos.dns-parking.com ✓nova.dns-parking.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet The certificate served over IPv6 at 2a02:4780:5e:91e9::1 isn't valid for firstmobile.tech: ERR_TLS_CERT_ALTNAME_INVALID. https://firstmobile.tech/ via 2a02:4780:5e:91e9::1 · ERR_TLS_CERT_ALTNAME_INVALID | problem |
firstmobile.tech Has IPv6
| A (IPv4) | 76.13.222.186 |
|---|---|
| AAAA (IPv6) | 2a02:4780:5e:91e9::1 |
www.firstmobile.tech Has IPv6
| Alias of | firstmobile.tech |
|---|---|
| A (IPv4) | 76.13.222.186 |
| AAAA (IPv6) | 2a02:4780:5e:91e9::1 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/8lAKcdN9uA · How we measure
Checked 2026-11-10 03:48:44 UTC. Full DNS report: dns.pizza/domain/firstmobile.tech · Age, certificate and blocklists: how.is/firstmobile.tech · JSON: /api/v1/firstmobile.tech