ns1.olemiss.edu publishes IPv6 but doesn't answer on it.

Has both IPv4 (A) and IPv6 (AAAA) addresses.

F
IPv6 readiness
Publishes IPv6 but doesn't answer on it — worse than having none.
Website over IPv6
ns1.olemiss.edu has an AAAA record, but nothing answered on ports 443 or 80. IPv6 visitors wait for a timeout before falling back to IPv4.
✗ 2620:38:c000:128::4 no answer
broken
Mail servers (MX) have IPv6
No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record.		yes
Nameservers have IPv6
2 of 3 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
dns0.ncl.ac.uk ✗ns2.olemiss.edu ✓ns1.olemiss.edu ✓
yes
 Load ns1.olemiss.edu over IPv6 from up to six other places — a second opinion.

What's keeping ns1.olemiss.edu from an A

  1. Fix or remove the AAAA record for ns1.olemiss.edu
    Something published an IPv6 address but nothing answers on it, so IPv6 visitors wait for a timeout first. Either make the server listen on IPv6 (and allow ports 443/80 through its firewall), or delete the AAAA record until it does.

Check again

ns1.olemiss.edu  Has IPv6

A (IPv4)130.74.128.4
AAAA (IPv6)2620:38:c000:128::4

Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).

Copy the evidence — a citation-ready record of this measurement

 Permanent link: aaaa.bot/r/vDy0R1WZv- · How we measure

Checked 2026-11-03 21:12:10 UTC. Full DNS report: dns.pizza/domain/ns1.olemiss.edu · Age, certificate and blocklists: how.is/ns1.olemiss.edu · JSON: /api/v1/ns1.olemiss.edu