Yes — mx.trip.com has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
mx.trip.com has 2 IPv6 addresses and answers on every one we tested.
✓ 2600:1408:c400:c::17cd:6894 answers · 443✓ 2600:1408:c400:c::17cd:6890 answers · 443
yes
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
6 of 6 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
a11-65.akam.net ✓a14-66.akam.net ✓a16-67.akam.net ✓a1-244.akam.net ✓a9-65.akam.net ✓a26-64.akam.net ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.
https://mx.trip.com/ via 2600:1408:c400:c::17cd:6894 → 200
works
 Load mx.trip.com over IPv6 from up to six other places — a second opinion.

Nothing keeping you from an A

  1. Nothing to fix
    Show it off: add the badge to your README.
    [![IPv6](https://aaaa.bot/badge/mx.trip.com.svg)](https://aaaa.bot/mx.trip.com)

Check again

mx.trip.com  Has IPv6

Alias oftrip-ak.t1.geo.ctripgslb.net → trip-ak.t1.os.acc.ctripgslb.net → c229846.edgekey.net → e229846.dscx.akamaiedge.net
A (IPv4)23.212.250.18
23.212.250.14
23.212.250.8
23.212.250.15
23.212.250.4
23.212.250.10
23.212.250.5
23.212.250.6
23.212.250.9
AAAA (IPv6)2600:1408:c400:c::17cd:6894
2600:1408:c400:c::17cd:6890

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/Xm8jdLknQ3 · How we measure

Checked 2026-11-01 22:16:14 UTC. Full DNS report: dns.pizza/domain/mx.trip.com · JSON: /api/v1/mx.trip.com