Yes — das-finanzamt.org has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 das-finanzamt.org has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::6815:5e83 answers · 443✓ 2606:4700:3035::ac43:884f 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. david.ns.cloudflare.com ✓melinda.ns.cloudflare.com ✓	yes

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

https://das-finanzamt.org/ via 2606:4700:3032::6815:5e83 → 302https://rapid-waterfall-c1cc.cloudflareaccess.com/cdn-cgi/access/login/das-finanzamt.org?kid=50f18a1d46630003a2ba9bb356d585c217a6ab2c291ccc0be37ac96a1125a6f8&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.CvzwqmaGP1AZ65LnTAjoZZvtu6m_Vq-7swWP6wFQG_ZIvIVx6ZBMrY8rVMfQDFBIWpY7LRydFsoOgvjIddBztj11CNSFYprzwMhu5oI38n5a7u-KIbZItvDvfYmRDveJs1VOet6PpVh_8ChthIee-ti7pbR0fhCa0-Xk1DIqrFe5zep5kYkPnwdCwILQFIe9q3M_Aoyv38kZp0ZC96MfV4sK89BKcYIsIHIumKcKXY21wpK5sw5DOE-gKo8j-BsxP9YusDWoB8fpbR0YGPb_y0Rxm2463_celoQLMVkWYwUrIzphpuY1I6TTfV_LAXUYFIRAsp5kw_ilt0cAHo-hMQ&redirect_url=%2F via 2606:4700:300a::6813:c31d → 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/das-finanzamt.org.svg)](https://aaaa.bot/das-finanzamt.org)

Check again

das-finanzamt.org Has IPv6

A (IPv4)	172.67.136.79 104.21.94.131
AAAA (IPv6)	2606:4700:3032::6815:5e83 2606:4700:3035::ac43:884f

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: das-finanzamt.org
Measured 2026-11-07 14:49:28 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.136.79, 104.21.94.131
AAAA (IPv6): 2606:4700:3032::6815:5e83, 2606:4700:3035::ac43:884f

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: das-finanzamt.org has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3032::6815:5e83: answers (TCP 443)
    2606:4700:3035::ac43:884f: 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://das-finanzamt.org/ via 2606:4700:3032::6815:5e83 -> HTTP 302, certificate: valid
    https://rapid-waterfall-c1cc.cloudflareaccess.com/cdn-cgi/access/login/das-finanzamt.org?kid=50f18a1d46630003a2ba9bb356d585c217a6ab2c291ccc0be37ac96a1125a6f8&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.CvzwqmaGP1AZ65LnTAjoZZvtu6m_Vq-7swWP6wFQG_ZIvIVx6ZBMrY8rVMfQDFBIWpY7LRydFsoOgvjIddBztj11CNSFYprzwMhu5oI38n5a7u-KIbZItvDvfYmRDveJs1VOet6PpVh_8ChthIee-ti7pbR0fhCa0-Xk1DIqrFe5zep5kYkPnwdCwILQFIe9q3M_Aoyv38kZp0ZC96MfV4sK89BKcYIsIHIumKcKXY21wpK5sw5DOE-gKo8j-BsxP9YusDWoB8fpbR0YGPb_y0Rxm2463_celoQLMVkWYwUrIzphpuY1I6TTfV_LAXUYFIRAsp5kw_ilt0cAHo-hMQ&redirect_url=%2F via 2606:4700:300a::6813:c31d -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/4_-Wgmv-ly

Permanent link: aaaa.bot/r/4_-Wgmv-ly · How we measure

Checked 2026-11-07 14:49:28 UTC. Full DNS report: dns.pizza/domain/das-finanzamt.org · Age, certificate and blocklists: how.is/das-finanzamt.org · JSON: /api/v1/das-finanzamt.org