Has both IPv4 (A) and IPv6 (AAAA) addresses.
Measured 2026-11-02 05:21 UTC. We reuse a result for up to a week, so we aren't testing the same site over and over. Check utoronto.ca now
| Website over IPv6 utoronto.ca has 2 IPv6 addresses and answers on every one we tested. ✓ 2620:12a:8001::1 answers · 443✓ 2620:12a:8000::1 answers · 443 | yes |
| www over IPv6 www.utoronto.ca has 2 IPv6 addresses and answers on every one we tested. ✓ 2620:12a:8000::1 answers · 443✓ 2620:12a:8001::1 answers · 443 | yes |
| Mail servers (MX) have IPv6 Every mail server has an AAAA record. utoronto-ca.mail.protection.outlook.com ✓ | yes |
| Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. ns1.d-zone.ca ✓ns2.d-zone.ca ✓ | yes |
First measured 2026-11-02; last confirmed 2026-11-02.
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 403. https://utoronto.ca/ via 2620:12a:8001::1 → 403 | works |
utoronto.ca Has IPv6
| A (IPv4) | 23.185.0.1 |
|---|---|
| AAAA (IPv6) | 2620:12a:8001::1 2620:12a:8000::1 |
www.utoronto.ca Has IPv6
| A (IPv4) | 23.185.0.1 |
|---|---|
| AAAA (IPv6) | 2620:12a:8000::1 2620:12a:8001::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/HdHDOwrq1s · How we measure
Checked 2026-11-02 05:21:11 UTC. Full DNS report: dns.pizza/domain/utoronto.ca · JSON: /api/v1/utoronto.ca