Has both IPv4 (A) and IPv6 (AAAA) addresses.
This is a saved measurement from 2026-11-08 10:26 UTC. Check canadapost.app live now
| Website over IPv6 canadapost.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::ac43:a7c8 answers · 443✓ 2606:4700:3035::6815:4316 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 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. dara.ns.cloudflare.com ✓malcolm.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet canadapost.app didn't complete an HTTPS request over IPv6 (timed out). https://canadapost.app/ via 2606:4700:3033::ac43:a7c8 · timed out | ? |
canadapost.app Has IPv6
| A (IPv4) | 104.21.67.22 172.67.167.200 |
|---|---|
| AAAA (IPv6) | 2606:4700:3033::ac43:a7c8 2606:4700:3035::6815:4316 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/3RFtbUNKX3 · How we measure
Checked 2026-11-08 10:26:17 UTC. Full DNS report: dns.pizza/domain/canadapost.app · Age, certificate and blocklists: how.is/canadapost.app · JSON: /api/v1/canadapost.app