Yes — appspot.com has IPv6.

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

This is a saved measurement from 2026-10-31 05:04 UTC. Check appspot.com live now

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
appspot.com has 4 IPv6 addresses and answers on every one we tested.
✓ 2607:f8b0:4004:c27::64 answers · 443✓ 2607:f8b0:4004:c27::8a answers · 443✓ 2607:f8b0:4004:c27::65 answers · 443✓ 2607:f8b0:4004:c27::71 answers · 443
yes
www over IPv6
www.appspot.com has 4 IPv6 addresses and answers on every one we tested.
✓ 2607:f8b0:4004:c23::65 answers · 443✓ 2607:f8b0:4004:c23::64 answers · 443✓ 2607:f8b0:4004:c23::66 answers · 443✓ 2607:f8b0:4004:c23::71 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
4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
ns3.google.com ✓ns1.google.com ✓ns4.google.com ✓ns2.google.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 3 redirects: HTTP 200.
https://appspot.com/ via 2607:f8b0:4004:c27::64 → 302https://console.cloud.google.com/appengine via 2607:f8b0:4004:c17::65 → 302https://accounts.google.com/ServiceLogin?service=cloudconsole&passive=1209600&osid=1&continue=https://console.cloud.google.com/appengine&followup=https://console.cloud.google.com/appengine via 2607:f8b0:4004:c07::54 → 302https://accounts.google.com/v3/signin/identifier?continue=https://console.cloud.google.com/appengine&followup=https://console.cloud.google.com/appengine&osid=1&passive=1209600&service=cloudconsole&flowName=WebLiteSignIn&flowEntry=ServiceLogin&dsh=S17033013:1793423072810549 via 2607:f8b0:4004:c07::54 → 200
works

Nothing keeping you from an A

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

Check again

appspot.com  Has IPv6

A (IPv4)142.251.163.113
142.251.163.138
142.251.163.101
142.251.163.100
142.251.163.102
142.251.163.139
AAAA (IPv6)2607:f8b0:4004:c27::64
2607:f8b0:4004:c27::8a
2607:f8b0:4004:c27::65
2607:f8b0:4004:c27::71

www.appspot.com  Has IPv6

A (IPv4)172.253.115.139
172.253.115.138
172.253.115.100
172.253.115.113
172.253.115.101
172.253.115.102
AAAA (IPv6)2607:f8b0:4004:c23::65
2607:f8b0:4004:c23::64
2607:f8b0:4004:c23::66
2607:f8b0:4004:c23::71

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/DYAfAqaHy4 · How we measure

Checked 2026-10-31 05:04:32 UTC. Full DNS report: dns.pizza/domain/appspot.com · JSON: /api/v1/appspot.com