Has an IPv4 address but no IPv6 (AAAA) record. IPv6-only visitors can't reach it directly.
Measured 2026-11-02 18:08 UTC. We reuse a result for up to a week, so we aren't testing the same site over and over. Check utah.edu now
| Website over IPv6 utah.edu has no AAAA record. | no |
| www over IPv6 www.utah.edu has no AAAA record. | no |
| Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. mx1.hc2984-29.iphmx.com ✗mx2.hc2984-29.iphmx.com ✗ | no |
| Nameservers have IPv6 3 of 3 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. silver.foundationdns.com ✓silver.foundationdns.net ✓silver.foundationdns.org ✓ | yes |
First measured 2026-11-02; last confirmed 2026-11-02.
utah.edu IPv4 only
| A (IPv4) | 155.98.186.21 |
|---|---|
| AAAA (IPv6) | none |
www.utah.edu IPv4 only
| A (IPv4) | 155.98.186.21 |
|---|---|
| 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/328TyjTDsj · How we measure
Checked 2026-11-02 18:08:34 UTC. Full DNS report: dns.pizza/domain/utah.edu · Age, certificate and blocklists: how.is/utah.edu · JSON: /api/v1/utah.edu