Yes — steam-castle.pro has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 steam-castle.pro has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:342b:bafa:a20c:c263:fab1 answers · 443✓ 2a02:4780:84:5f72:2a67:c8b0:3a37:eb0b answers · 443	yes
www over IPv6 www.steam-castle.pro has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:75fd:883c:b07d:d804:4b96 answers · 443✓ 2a02:4780:84:5225:2d40:a8c1:f877:75d 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. athena.dns-parking.com ✓apollo.dns-parking.com ✓	yes

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

https://steam-castle.pro/ via 2a02:4780:84:342b:bafa:a20c:c263:fab1 → 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/steam-castle.pro.svg)](https://aaaa.bot/steam-castle.pro)

Check again

steam-castle.pro Has IPv6

A (IPv4)	88.222.222.246 2.57.91.110
AAAA (IPv6)	2a02:4780:84:342b:bafa:a20c:c263:fab1 2a02:4780:84:5f72:2a67:c8b0:3a37:eb0b

www.steam-castle.pro Has IPv6

Alias of	www.steam-castle.pro.cdn.hstgr.net
A (IPv4)	212.1.212.119 195.35.60.1
AAAA (IPv6)	2a02:4780:84:75fd:883c:b07d:d804:4b96 2a02:4780:84:5225:2d40:a8c1:f877:75d

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: steam-castle.pro
Measured 2026-11-14 01:28:40 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    88.222.222.246, 2.57.91.110
AAAA (IPv6): 2a02:4780:84:342b:bafa:a20c:c263:fab1, 2a02:4780:84:5f72:2a67:c8b0:3a37:eb0b
www AAAA:    2a02:4780:84:75fd:883c:b07d:d804:4b96, 2a02:4780:84:5225:2d40:a8c1:f877:75d

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: steam-castle.pro has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:342b:bafa:a20c:c263:fab1: answers (TCP 443)
    2a02:4780:84:5f72:2a67:c8b0:3a37:eb0b: answers (TCP 443)
- www over IPv6: www.steam-castle.pro has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:75fd:883c:b07d:d804:4b96: answers (TCP 443)
    2a02:4780:84:5225:2d40:a8c1:f877:75d: 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://steam-castle.pro/ via 2a02:4780:84:342b:bafa:a20c:c263:fab1 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/4EocIbMQSo

Permanent link: aaaa.bot/r/4EocIbMQSo · How we measure

Checked 2026-11-14 01:28:40 UTC. Full DNS report: dns.pizza/domain/steam-castle.pro · Age, certificate and blocklists: how.is/steam-castle.pro · JSON: /api/v1/steam-castle.pro