Yes — professorphone.one has IPv6.

Has both IPv4 (A) and IPv6 (AAAA) addresses.

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 professorphone.one has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:691c:40d9:11c9:8293:b802 answers · 443✓ 2a02:4780:84:9093:bdd7:89c9:8f84:7c88 answers · 443	yes
www over IPv6 www.professorphone.one has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:c9d4:a44b:49b5:7d3d:29c5 answers · 443✓ 2a02:4780:84:36c8:98b5:ad54:679f:7cad answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. mx2.hostinger.com ✓mx1.hostinger.com ✓	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. horizon.dns-parking.com ✓orbit.dns-parking.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.

https://professorphone.one/ via 2a02:4780:84:691c:40d9:11c9:8293:b802 → 302https://professorphone.one/login via 2a02:4780:84:691c:40d9:11c9:8293:b802 → 200

works

Nothing keeping you from an A

Nothing to fix
Show it off: add the badge to your README.
[![IPv6](https://aaaa.bot/badge/professorphone.one.svg)](https://aaaa.bot/professorphone.one)

Check again

professorphone.one Has IPv6

A (IPv4)	2.57.91.216 84.32.84.51
AAAA (IPv6)	2a02:4780:84:691c:40d9:11c9:8293:b802 2a02:4780:84:9093:bdd7:89c9:8f84:7c88

www.professorphone.one Has IPv6

Alias of	www.professorphone.one.cdn.hstgr.net
A (IPv4)	191.101.104.158 191.96.144.134
AAAA (IPv6)	2a02:4780:84:c9d4:a44b:49b5:7d3d:29c5 2a02:4780:84:36c8:98b5:ad54:679f:7cad

Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).

Copy the evidence — a citation-ready record of this measurement

IPv6 measurement: professorphone.one
Measured 2026-11-12 14:28:02 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    2.57.91.216, 84.32.84.51
AAAA (IPv6): 2a02:4780:84:691c:40d9:11c9:8293:b802, 2a02:4780:84:9093:bdd7:89c9:8f84:7c88
www AAAA:    2a02:4780:84:c9d4:a44b:49b5:7d3d:29c5, 2a02:4780:84:36c8:98b5:ad54:679f:7cad

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: professorphone.one has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:691c:40d9:11c9:8293:b802: answers (TCP 443)
    2a02:4780:84:9093:bdd7:89c9:8f84:7c88: answers (TCP 443)
- www over IPv6: www.professorphone.one has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:c9d4:a44b:49b5:7d3d:29c5: answers (TCP 443)
    2a02:4780:84:36c8:98b5:ad54:679f:7cad: answers (TCP 443)
- Mail servers (MX) have IPv6: Every mail server has an AAAA record.
- Nameservers have IPv6: 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.

Reachability = a TCP connection opened on port 443 (or 80).

HTTPS over IPv6 (not graded): Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.
    https://professorphone.one/ via 2a02:4780:84:691c:40d9:11c9:8293:b802 -> HTTP 302, certificate: valid
    https://professorphone.one/login via 2a02:4780:84:691c:40d9:11c9:8293:b802 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/zn3HZg96dR

Permanent link: aaaa.bot/r/zn3HZg96dR · How we measure

Checked 2026-11-12 14:28:02 UTC. Full DNS report: dns.pizza/domain/professorphone.one · Age, certificate and blocklists: how.is/professorphone.one · JSON: /api/v1/professorphone.one