Yes — auspost-reattempt.com has IPv6.

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

This is a saved measurement from 2026-11-05 03:58 UTC. Check auspost-reattempt.com live now

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 auspost-reattempt.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::6815:1b1a answers · 443✓ 2606:4700:3035::ac43:8cf0 answers · 443	yes
www over IPv6 www.auspost-reattempt.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::6815:1b1a answers · 443✓ 2606:4700:3035::ac43:8cf0 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. paige.ns.cloudflare.com ✓valentin.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 403.

https://auspost-reattempt.com/ via 2606:4700:3034::6815:1b1a → 403

works

Nothing keeping you from an A

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

Check again

auspost-reattempt.com Has IPv6

A (IPv4)	104.21.27.26 172.67.140.240
AAAA (IPv6)	2606:4700:3034::6815:1b1a 2606:4700:3035::ac43:8cf0

www.auspost-reattempt.com Has IPv6

A (IPv4)	172.67.140.240 104.21.27.26
AAAA (IPv6)	2606:4700:3034::6815:1b1a 2606:4700:3035::ac43:8cf0

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

IPv6 measurement: auspost-reattempt.com
Measured 2026-11-05 03:58:18 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.27.26, 172.67.140.240
AAAA (IPv6): 2606:4700:3034::6815:1b1a, 2606:4700:3035::ac43:8cf0
www AAAA:    2606:4700:3034::6815:1b1a, 2606:4700:3035::ac43:8cf0

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: auspost-reattempt.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3034::6815:1b1a: answers (TCP 443)
    2606:4700:3035::ac43:8cf0: answers (TCP 443)
- www over IPv6: www.auspost-reattempt.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3034::6815:1b1a: answers (TCP 443)
    2606:4700:3035::ac43:8cf0: answers (TCP 443)
- Mail servers (MX) have IPv6: No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record.
- Nameservers have IPv6: 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.

Reachability = a TCP connection opened on port 443 (or 80).

HTTPS over IPv6 (not graded): Loads over IPv6 with a valid certificate: HTTP 403.
    https://auspost-reattempt.com/ via 2606:4700:3034::6815:1b1a -> HTTP 403, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/mLLUK6EB0g

Permanent link: aaaa.bot/r/mLLUK6EB0g · How we measure

Checked 2026-11-05 03:58:18 UTC. Full DNS report: dns.pizza/domain/auspost-reattempt.com · Age, certificate and blocklists: how.is/auspost-reattempt.com · JSON: /api/v1/auspost-reattempt.com