Yes — klimaanlagen.work has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 klimaanlagen.work has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::6815:d11 answers · 443✓ 2606:4700:3034::ac43:a7e6 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. barbara.ns.cloudflare.com ✓dante.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://klimaanlagen.work/ via 2606:4700:3034::6815:d11 → 302https://cold-unit-e114.cloudflareaccess.com/cdn-cgi/access/login/klimaanlagen.work?kid=3e3afc9d88b754d03b100a9674fc648f3ea62f1b138d9d555fd302ffe8cf7299&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjQ2MTRkYjk1NTQ5MTRjOTc1YjAwZmMzMTAwYzlkZGYwNjk1ODc1M2IwYTRmZWRlOGE4ZWQzNzc4NWNhM2E0YWQifQ.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.vpcR7Tv09iegVfZKR1ZxrwSKzD24sEbNZG7TwJQZN6xQZi5FEbsAp6ybgwe8tg352TWm5zV1OQ6gOIPTtEpLr0AOkhlEx8Tx2Ruyqcdvl5GwGY6rJZyRC1M2JPD4SlyRPfuOyxLeuFxcy8fj-sJJTmyZNZWkzLd6aofLsjgVMgwwAC9mwM5-fPEK_EWjXM_DQA6ebrkcibgoxgNfNoOW7O4PLu3IujcJSjy_Zkz7YrQ_OZmIRouhFAjsOsmmbDcftp2N-qX9AY5zQCq81cpoa9Br_xrlvhEDDw9JwBbcw_JT7Z_eSVjch_339TtK3oGpNacn1EL6VAWLXzRKdxWt7Q&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/klimaanlagen.work.svg)](https://aaaa.bot/klimaanlagen.work)

Check again

klimaanlagen.work Has IPv6

A (IPv4)	104.21.13.17 172.67.167.230
AAAA (IPv6)	2606:4700:3034::6815:d11 2606:4700:3034::ac43:a7e6

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: klimaanlagen.work
Measured 2026-11-04 07:31:40 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.13.17, 172.67.167.230
AAAA (IPv6): 2606:4700:3034::6815:d11, 2606:4700:3034::ac43:a7e6

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: klimaanlagen.work has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3034::6815:d11: answers (TCP 443)
    2606:4700:3034::ac43:a7e6: 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://klimaanlagen.work/ via 2606:4700:3034::6815:d11 -> HTTP 302, certificate: valid
    https://cold-unit-e114.cloudflareaccess.com/cdn-cgi/access/login/klimaanlagen.work?kid=3e3afc9d88b754d03b100a9674fc648f3ea62f1b138d9d555fd302ffe8cf7299&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjQ2MTRkYjk1NTQ5MTRjOTc1YjAwZmMzMTAwYzlkZGYwNjk1ODc1M2IwYTRmZWRlOGE4ZWQzNzc4NWNhM2E0YWQifQ.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.vpcR7Tv09iegVfZKR1ZxrwSKzD24sEbNZG7TwJQZN6xQZi5FEbsAp6ybgwe8tg352TWm5zV1OQ6gOIPTtEpLr0AOkhlEx8Tx2Ruyqcdvl5GwGY6rJZyRC1M2JPD4SlyRPfuOyxLeuFxcy8fj-sJJTmyZNZWkzLd6aofLsjgVMgwwAC9mwM5-fPEK_EWjXM_DQA6ebrkcibgoxgNfNoOW7O4PLu3IujcJSjy_Zkz7YrQ_OZmIRouhFAjsOsmmbDcftp2N-qX9AY5zQCq81cpoa9Br_xrlvhEDDw9JwBbcw_JT7Z_eSVjch_339TtK3oGpNacn1EL6VAWLXzRKdxWt7Q&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/XZSixczIbP

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

Checked 2026-11-04 07:31:40 UTC. Full DNS report: dns.pizza/domain/klimaanlagen.work · Age, certificate and blocklists: how.is/klimaanlagen.work · JSON: /api/v1/klimaanlagen.work