Yes — ch-of-fline-app.xyz has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 ch-of-fline-app.xyz has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::ac43:843b answers · 443✓ 2606:4700:3032::6815:49d 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. aiden.ns.cloudflare.com ✓sierra.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 404.

https://ch-of-fline-app.xyz/ via 2606:4700:3036::ac43:843b → 302https://ch-of-fline-app.xyz/f439f82d-2b73-4c83-9374-77bf693b9da1/de/?lead_info=bGVhZF91dWlkPTI5YWE3Nzg0LWVmNzUtNGE4MS05OTRkLWMxZGVjYzEwNzRiOSZvcz1Vbmtub3duJmxhbmd1YWdlPSZvZmZlcl91cmw9aHR0cHM6Ly9jbG92ZXJ6b25lLm9uZS8yRzlodzJoYz9zdWIxPXtzdWIxfSZzdWIyPXtzdWIyfSZleHRlcm5hbF9pZD0yOWFhNzc4NC1lZjc1LTRhODEtOTk0ZC1jMWRlY2MxMDc0Yjkmc3ViMz17c3ViM30mdHJhY2VfaWQ9NWM3NTk1MmUtMWE4Ni00OWZiLWJkYmEtZGEzMmFlMTYwYWE4&is_webview=false&pixel=&fbclid= via 2606:4700:3036::ac43:843b → 404

works

Nothing keeping you from an A

Nothing to fix
Show it off: add the badge to your README.
[![IPv6](https://aaaa.bot/badge/ch-of-fline-app.xyz.svg)](https://aaaa.bot/ch-of-fline-app.xyz)

Check again

ch-of-fline-app.xyz Has IPv6

A (IPv4)	172.67.132.59 104.21.4.157
AAAA (IPv6)	2606:4700:3036::ac43:843b 2606:4700:3032::6815:49d

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: ch-of-fline-app.xyz
Measured 2026-11-04 19:55:36 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.132.59, 104.21.4.157
AAAA (IPv6): 2606:4700:3036::ac43:843b, 2606:4700:3032::6815:49d

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: ch-of-fline-app.xyz has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3036::ac43:843b: answers (TCP 443)
    2606:4700:3032::6815:49d: 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 404.
    https://ch-of-fline-app.xyz/ via 2606:4700:3036::ac43:843b -> HTTP 302, certificate: valid
    https://ch-of-fline-app.xyz/f439f82d-2b73-4c83-9374-77bf693b9da1/de/?lead_info=bGVhZF91dWlkPTI5YWE3Nzg0LWVmNzUtNGE4MS05OTRkLWMxZGVjYzEwNzRiOSZvcz1Vbmtub3duJmxhbmd1YWdlPSZvZmZlcl91cmw9aHR0cHM6Ly9jbG92ZXJ6b25lLm9uZS8yRzlodzJoYz9zdWIxPXtzdWIxfSZzdWIyPXtzdWIyfSZleHRlcm5hbF9pZD0yOWFhNzc4NC1lZjc1LTRhODEtOTk0ZC1jMWRlY2MxMDc0Yjkmc3ViMz17c3ViM30mdHJhY2VfaWQ9NWM3NTk1MmUtMWE4Ni00OWZiLWJkYmEtZGEzMmFlMTYwYWE4&is_webview=false&pixel=&fbclid= via 2606:4700:3036::ac43:843b -> HTTP 404, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/SQdhQdTbwr

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

Checked 2026-11-04 19:55:36 UTC. Full DNS report: dns.pizza/domain/ch-of-fline-app.xyz · Age, certificate and blocklists: how.is/ch-of-fline-app.xyz · JSON: /api/v1/ch-of-fline-app.xyz