Yes — freisteller.download has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 freisteller.download has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3031::6815:10e8 answers · 443✓ 2606:4700:3030::ac43:d8d2 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. alla.ns.cloudflare.com ✓ignacio.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://freisteller.download/ via 2606:4700:3031::6815:10e8 → 302https://late-dream-96dc.cloudflareaccess.com/cdn-cgi/access/login/freisteller.download?kid=0b843512b75200484c31e9ee45dded055826c863a76e9c9ac7dfad918b186a2c&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.d3OxCZWyNU_A23jZxbtmO3ZScoO5O-0JhLekFZckfGwyeGDYaacoR6Zbi-foAhL3HcFQKvb5qxemNTlmP-FdHJDIMqN3f4wAOVjzzIN5IxJbFQlg4qUiTqTGCNfUW-Av_oWi4Eb_BhNFovUe1ddMJ81xMcMPIU__p7FT8ThufmYWrTXc2KBnNKpdX33JR_0uFoL9b4Yz4xHN3mrR9NzlAxT6TuUsfySlQPOMIECKX29Tnx9MVJ8I4O5i423xyJ22cESlPYLGtJNsHHHQbTS74akeb0zUwCG--HzebVaNol8dU5HjrBpOqw6eMJPkHUxOgZuwDusQ9ocngshFJ1GTYg&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/freisteller.download.svg)](https://aaaa.bot/freisteller.download)

Check again

freisteller.download Has IPv6

A (IPv4)	172.67.216.210 104.21.16.232
AAAA (IPv6)	2606:4700:3031::6815:10e8 2606:4700:3030::ac43:d8d2

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: freisteller.download
Measured 2026-10-31 10:15:27 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.216.210, 104.21.16.232
AAAA (IPv6): 2606:4700:3031::6815:10e8, 2606:4700:3030::ac43:d8d2

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: freisteller.download has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3031::6815:10e8: answers (TCP 443)
    2606:4700:3030::ac43:d8d2: 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://freisteller.download/ via 2606:4700:3031::6815:10e8 -> HTTP 302, certificate: valid
    https://late-dream-96dc.cloudflareaccess.com/cdn-cgi/access/login/freisteller.download?kid=0b843512b75200484c31e9ee45dded055826c863a76e9c9ac7dfad918b186a2c&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.d3OxCZWyNU_A23jZxbtmO3ZScoO5O-0JhLekFZckfGwyeGDYaacoR6Zbi-foAhL3HcFQKvb5qxemNTlmP-FdHJDIMqN3f4wAOVjzzIN5IxJbFQlg4qUiTqTGCNfUW-Av_oWi4Eb_BhNFovUe1ddMJ81xMcMPIU__p7FT8ThufmYWrTXc2KBnNKpdX33JR_0uFoL9b4Yz4xHN3mrR9NzlAxT6TuUsfySlQPOMIECKX29Tnx9MVJ8I4O5i423xyJ22cESlPYLGtJNsHHHQbTS74akeb0zUwCG--HzebVaNol8dU5HjrBpOqw6eMJPkHUxOgZuwDusQ9ocngshFJ1GTYg&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/zuhB6l4skt

Permanent link: aaaa.bot/r/zuhB6l4skt · How we measure

Checked 2026-10-31 10:15:27 UTC. Full DNS report: dns.pizza/domain/freisteller.download · JSON: /api/v1/freisteller.download