Has an IPv4 address but no IPv6 (AAAA) record. IPv6-only visitors can't reach it directly.
Measured 2026-11-02 17:38 UTC. We reuse a result for up to a week, so we aren't testing the same site over and over. Check pitt.edu now
| Website over IPv6 pitt.edu has no AAAA record. | no |
| www over IPv6 www.pitt.edu has 4 IPv6 addresses and answers on every one we tested. ✓ 2a04:4e42::645 answers · 443✓ 2a04:4e42:200::645 answers · 443✓ 2a04:4e42:400::645 answers · 443✓ 2a04:4e42:600::645 answers · 443 | yes |
| Mail servers (MX) have IPv6 Every mail server has an AAAA record. pitt-edu.mail.protection.outlook.com ✓ | yes |
| Nameservers have IPv6 No nameserver has an AAAA record — an IPv6-only resolver can't reach this domain's DNS. ns4.pitt.edu ✗ns5.pitt.edu ✗ | no |
First measured 2026-11-02; last confirmed 2026-11-02.
pitt.edu IPv4 only
| A (IPv4) | 136.142.34.30 |
|---|---|
| AAAA (IPv6) | none |
www.pitt.edu Has IPv6
| Alias of | pantheon-systems.map.fastly.net |
|---|---|
| A (IPv4) | 151.101.66.133 151.101.130.133 151.101.194.133 151.101.2.133 |
| AAAA (IPv6) | 2a04:4e42::645 2a04:4e42:200::645 2a04:4e42:400::645 2a04:4e42:600::645 |
Visitors on IPv6-only networks (many mobile carriers) can still reach it, but only through a translator their carrier runs (NAT64). The site itself has no IPv6 address — and you can't make one up from the IPv4. Why some hosts don't offer it
Permanent link: aaaa.bot/r/EBclH3dIvF · How we measure
Checked 2026-11-02 17:38:33 UTC. Full DNS report: dns.pizza/domain/pitt.edu · Age, certificate and blocklists: how.is/pitt.edu · JSON: /api/v1/pitt.edu