Yes — xn--brummbr-bxa.app has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 xn--brummbr-bxa.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:40be:cb9e:1a10:f82e:1c71 answers · 443✓ 2a02:4780:84:7b4b:859f:a3dc:7f91:27d3 answers · 443	yes
www over IPv6 www.xn--brummbr-bxa.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:72de:9cab:f3a1:2e58:f217 answers · 443✓ 2a02:4780:84:ba83:6e63:2e48:9f6e:ace4 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. lunar.dns-parking.com ✓solar.dns-parking.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.

https://xn--brummbr-bxa.app/ via 2a02:4780:84:40be:cb9e:1a10:f82e:1c71 → 307https://xn--brummbr-bxa.app/anmelden via 2a02:4780:84:40be:cb9e:1a10:f82e:1c71 → 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/xn--brummbr-bxa.app.svg)](https://aaaa.bot/xn--brummbr-bxa.app)

Check again

xn--brummbr-bxa.app Has IPv6

A (IPv4)	88.222.222.192 84.32.84.89
AAAA (IPv6)	2a02:4780:84:40be:cb9e:1a10:f82e:1c71 2a02:4780:84:7b4b:859f:a3dc:7f91:27d3

www.xn--brummbr-bxa.app Has IPv6

Alias of	www.xn--brummbr-bxa.app.cdn.hstgr.net
A (IPv4)	88.222.222.251 2.57.91.3
AAAA (IPv6)	2a02:4780:84:72de:9cab:f3a1:2e58:f217 2a02:4780:84:ba83:6e63:2e48:9f6e:ace4

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: xn--brummbr-bxa.app
Measured 2026-10-31 02:58:12 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    88.222.222.192, 84.32.84.89
AAAA (IPv6): 2a02:4780:84:40be:cb9e:1a10:f82e:1c71, 2a02:4780:84:7b4b:859f:a3dc:7f91:27d3
www AAAA:    2a02:4780:84:72de:9cab:f3a1:2e58:f217, 2a02:4780:84:ba83:6e63:2e48:9f6e:ace4

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: xn--brummbr-bxa.app has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:40be:cb9e:1a10:f82e:1c71: answers (TCP 443)
    2a02:4780:84:7b4b:859f:a3dc:7f91:27d3: answers (TCP 443)
- www over IPv6: www.xn--brummbr-bxa.app has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:72de:9cab:f3a1:2e58:f217: answers (TCP 443)
    2a02:4780:84:ba83:6e63:2e48:9f6e:ace4: 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 after 1 redirect: HTTP 200.
    https://xn--brummbr-bxa.app/ via 2a02:4780:84:40be:cb9e:1a10:f82e:1c71 -> HTTP 307, certificate: valid
    https://xn--brummbr-bxa.app/anmelden via 2a02:4780:84:40be:cb9e:1a10:f82e:1c71 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/My1K35IhUg

Permanent link: aaaa.bot/r/My1K35IhUg · How we measure

Checked 2026-10-31 02:58:12 UTC. Full DNS report: dns.pizza/domain/xn--brummbr-bxa.app · JSON: /api/v1/xn--brummbr-bxa.app