Has an IPv4 address but no IPv6 (AAAA) record. IPv6-only visitors can't reach it directly.
This is a saved measurement from 2026-11-02 16:56 UTC. Check psu.edu live now
| Website over IPv6 psu.edu has no AAAA record. | no |
| www over IPv6 www.psu.edu has 4 IPv6 addresses and answers on every one we tested (4 more not tested). ✓ 2600:9000:2305:2c00:18:7374:6240:93a1 answers · 443✓ 2600:9000:2305:5e00:18:7374:6240:93a1 answers · 443✓ 2600:9000:2305:2200:18:7374:6240:93a1 answers · 443✓ 2600:9000:2305:8000:18:7374:6240:93a1 answers · 443– 2600:9000:2305:6c00:18:7374:6240:93a1 not tested– 2600:9000:2305:fa00:18:7374:6240:93a1 not tested– 2600:9000:2305:4c00:18:7374:6240:93a1 not tested– 2600:9000:2305:2800:18:7374:6240:93a1 not tested | yes |
| Mail servers (MX) have IPv6 At least one mail server has no AAAA record (1 of 4 checked do). psu-edu.mail.protection.outlook.com ✓tr16g04.aset.psu.edu ✗tr10g05.aset.psu.edu ✗tr10g04.aset.psu.edu ✗ | partly |
| Nameservers have IPv6 3 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. ns6.psu.edu ✓ns4.psu.edu ✓ns3.psu.edu ✗ns5.psu.edu ✓ | yes |
psu.edu IPv4 only
| A (IPv4) | 75.2.126.119 99.83.249.53 |
|---|---|
| AAAA (IPv6) | none |
www.psu.edu Has IPv6
| Alias of | d1grabzpqvmyyx.cloudfront.net |
|---|---|
| A (IPv4) | 18.67.76.115 18.67.76.16 18.67.76.72 18.67.76.38 |
| AAAA (IPv6) | 2600:9000:2305:2c00:18:7374:6240:93a1 2600:9000:2305:5e00:18:7374:6240:93a1 2600:9000:2305:2200:18:7374:6240:93a1 2600:9000:2305:8000:18:7374:6240:93a1 2600:9000:2305:6c00:18:7374:6240:93a1 2600:9000:2305:fa00:18:7374:6240:93a1 2600:9000:2305:4c00:18:7374:6240:93a1 2600:9000:2305:2800:18:7374:6240:93a1 |
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/Qp4IIwFl1B · How we measure
Checked 2026-11-02 16:56:43 UTC. Full DNS report: dns.pizza/domain/psu.edu · Age, certificate and blocklists: how.is/psu.edu · JSON: /api/v1/psu.edu