Has an IPv4 address but no IPv6 (AAAA) record. IPv6-only visitors can't reach it directly.
Measured 2026-11-14 04:46 UTC. We reuse a result for up to a week, so we aren't testing the same site over and over. Check imap.itri.org.tw now
| Website over IPv6 imap.itri.org.tw has no AAAA record. | no |
| Mail servers (MX) have IPv6 No MX records, so mail goes to the domain's own address (implicit MX). It has no AAAA record. | no |
| Nameservers have IPv6 6 of 10 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. a11-66.akam.net ✓dnst2.itri.org.tw ✗dnsbgp1.itri.org.tw ✗dnsbgp2.itri.org.tw ✗dnst1.itri.org.tw ✗a16-66.akam.net ✓a18-64.akam.net ✓a1-95.akam.net ✓a5-64.akam.net ✓a12-66.akam.net ✓ | yes |
First measured 2026-11-14; last confirmed 2026-11-14.
imap.itri.org.tw IPv4 only
| A (IPv4) | 61.61.255.57 |
|---|---|
| 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/nAwvg-j2BK · How we measure
Checked 2026-11-14 04:46:40 UTC. Full DNS report: dns.pizza/domain/imap.itri.org.tw · Age, certificate and blocklists: how.is/imap.itri.org.tw · JSON: /api/v1/imap.itri.org.tw