Yes — fexidun.online has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 fexidun.online has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:1e46:c8af:6df3:788e:8f6 answers · 443✓ 2a02:4780:84:4346:a904:58ae:adc9:da25 answers · 443	yes
www over IPv6 www.fexidun.online has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:1d:4f26:df08:1263:98dc:da2a answers · 443✓ 2a02:4780:22:5da9:22cf:6ac6:a7d8:470c 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. aster.dns-parking.com ✓helios.dns-parking.com ✓	yes

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

https://fexidun.online/ via 2a02:4780:84:1e46:c8af:6df3:788e:8f6 → 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/fexidun.online.svg)](https://aaaa.bot/fexidun.online)

Check again

fexidun.online Has IPv6

A (IPv4)	2.57.91.167 84.32.84.162
AAAA (IPv6)	2a02:4780:84:1e46:c8af:6df3:788e:8f6 2a02:4780:84:4346:a904:58ae:adc9:da25

www.fexidun.online Has IPv6

Alias of	www.fexidun.online.cdn.hstgr.net
A (IPv4)	212.1.212.189 195.35.60.103
AAAA (IPv6)	2a02:4780:1d:4f26:df08:1263:98dc:da2a 2a02:4780:22:5da9:22cf:6ac6:a7d8:470c

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: fexidun.online
Measured 2026-11-03 07:11:21 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    2.57.91.167, 84.32.84.162
AAAA (IPv6): 2a02:4780:84:1e46:c8af:6df3:788e:8f6, 2a02:4780:84:4346:a904:58ae:adc9:da25
www AAAA:    2a02:4780:1d:4f26:df08:1263:98dc:da2a, 2a02:4780:22:5da9:22cf:6ac6:a7d8:470c

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: fexidun.online has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:1e46:c8af:6df3:788e:8f6: answers (TCP 443)
    2a02:4780:84:4346:a904:58ae:adc9:da25: answers (TCP 443)
- www over IPv6: www.fexidun.online has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:1d:4f26:df08:1263:98dc:da2a: answers (TCP 443)
    2a02:4780:22:5da9:22cf:6ac6:a7d8:470c: 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://fexidun.online/ via 2a02:4780:84:1e46:c8af:6df3:788e:8f6 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/dCd-gLTzCe

Permanent link: aaaa.bot/r/dCd-gLTzCe · How we measure

Checked 2026-11-03 07:11:21 UTC. Full DNS report: dns.pizza/domain/fexidun.online · Age, certificate and blocklists: how.is/fexidun.online · JSON: /api/v1/fexidun.online