Has an IPv4 address but no IPv6 (AAAA) record. IPv6-only visitors can't reach it directly.
Measured 2026-11-02 18:38 UTC. We reuse a result for up to a week, so we aren't testing the same site over and over. Check txst.edu now
| Website over IPv6 txst.edu has no AAAA record. | no |
| www over IPv6 www.txst.edu has no AAAA record. | no |
| Mail servers (MX) have IPv6 Every mail server has an AAAA record. txst-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. nspub3.txstate.edu ✗nspub2.txstate.edu ✗ns5.txstate.edu ✗ns6.txstate.edu ✗ | no |
First measured 2026-11-02; last confirmed 2026-11-02.
txst.edu IPv4 only
| A (IPv4) | 13.65.136.63 |
|---|---|
| AAAA (IPv6) | none |
www.txst.edu IPv4 only
| Alias of | web-cache.its.txstate.edu |
|---|---|
| A (IPv4) | 13.65.136.63 |
| AAAA (IPv6) | none |
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/Tdu2FhS2YL · How we measure
Checked 2026-11-02 18:38:34 UTC. Full DNS report: dns.pizza/domain/txst.edu · Age, certificate and blocklists: how.is/txst.edu · JSON: /api/v1/txst.edu