Yes — posthub.space has IPv6.

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

This is a saved measurement from 2026-11-01 02:52 UTC. Check posthub.space live now

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 posthub.space has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:530e:4d61:4c35:4b48:b4d8 answers · 443✓ 2a02:4780:84:f399:8fba:f1e4:ee38:3528 answers · 443	yes
www over IPv6 www.posthub.space has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:7092:f2cb:34cb:f444:e06f answers · 443✓ 2a02:4780:84:47aa:95aa:b6d6:6d62:f442 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. horizon.dns-parking.com ✓orbit.dns-parking.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.

https://posthub.space/ via 2a02:4780:84:530e:4d61:4c35:4b48:b4d8 → 200

works

Nothing keeping you from an A

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

Check again

posthub.space Has IPv6

A (IPv4)	88.222.222.7 84.32.84.131
AAAA (IPv6)	2a02:4780:84:530e:4d61:4c35:4b48:b4d8 2a02:4780:84:f399:8fba:f1e4:ee38:3528

www.posthub.space Has IPv6

Alias of	www.posthub.space.cdn.hstgr.net
A (IPv4)	88.222.222.205 2.57.91.191
AAAA (IPv6)	2a02:4780:84:7092:f2cb:34cb:f444:e06f 2a02:4780:84:47aa:95aa:b6d6:6d62:f442

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: posthub.space
Measured 2026-11-01 02:52:20 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    88.222.222.7, 84.32.84.131
AAAA (IPv6): 2a02:4780:84:530e:4d61:4c35:4b48:b4d8, 2a02:4780:84:f399:8fba:f1e4:ee38:3528
www AAAA:    2a02:4780:84:7092:f2cb:34cb:f444:e06f, 2a02:4780:84:47aa:95aa:b6d6:6d62:f442

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: posthub.space has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:530e:4d61:4c35:4b48:b4d8: answers (TCP 443)
    2a02:4780:84:f399:8fba:f1e4:ee38:3528: answers (TCP 443)
- www over IPv6: www.posthub.space has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:7092:f2cb:34cb:f444:e06f: answers (TCP 443)
    2a02:4780:84:47aa:95aa:b6d6:6d62:f442: 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 200.
    https://posthub.space/ via 2a02:4780:84:530e:4d61:4c35:4b48:b4d8 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/bntBA56uMC

Permanent link: aaaa.bot/r/bntBA56uMC · How we measure

Checked 2026-11-01 02:52:20 UTC. Full DNS report: dns.pizza/domain/posthub.space · JSON: /api/v1/posthub.space