Yes — winparr.app has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 winparr.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3031::ac43:a276 answers · 443✓ 2606:4700:3031::6815:3173 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. harvey.ns.cloudflare.com ✓maleah.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://winparr.app/ via 2606:4700:3031::ac43:a276 → 302https://silent-morning-67a5.cloudflareaccess.com/cdn-cgi/access/login/winparr.app?kid=626d44ca0a70f84c4fd4a9045fc171db205b107a8f741e82e6d15d727b862534&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg0ZDgzZTY5NTVlMjhlN2IzMDIyODM4ZDk4ZjU5ODE5NzdkMTcxZjNmYjYyY2Y4NDg4YTJmYjgwZjdjY2ExODEifQ.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.orUFCWtzYEIlO5Of1QvDjEm04jqSJNJ0RYDuYW1AsqWQkl2kKUr-rUBYx0qZ_VB_k9EF-a3ZjtvCfYPkHKEJza2C23avc1gYYyv6qcZcuZJFP6GLndFX0ksDSrfFPjHhctO4iwpGazifcCfwyxZcGVYUjHa5aqcc__oWQ49ZdIO8Ej5TPf0WEXtrAXG6EhBLPNr8T1zidJp7wP2TAMoG8QKHnQBdBVaxJR33ruOYQ7dqp3Ua-bJcwnrn27M2GLgo8B_LjQkAar1qPuNwjHvnjkF9i-VaqS3R1S9U-tD-k8hjL8SQ-OB9Zz9DsEyIFzxzkmV60Hq-ILXrK_svB_z92Q&redirect_url=%2F via 2606:4700:300a::6813:c21d → 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/winparr.app.svg)](https://aaaa.bot/winparr.app)

Check again

winparr.app Has IPv6

A (IPv4)	172.67.162.118 104.21.49.115
AAAA (IPv6)	2606:4700:3031::ac43:a276 2606:4700:3031::6815:3173

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: winparr.app
Measured 2026-11-05 15:54:39 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.162.118, 104.21.49.115
AAAA (IPv6): 2606:4700:3031::ac43:a276, 2606:4700:3031::6815:3173

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: winparr.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3031::ac43:a276: answers (TCP 443)
    2606:4700:3031::6815:3173: 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://winparr.app/ via 2606:4700:3031::ac43:a276 -> HTTP 302, certificate: valid
    https://silent-morning-67a5.cloudflareaccess.com/cdn-cgi/access/login/winparr.app?kid=626d44ca0a70f84c4fd4a9045fc171db205b107a8f741e82e6d15d727b862534&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg0ZDgzZTY5NTVlMjhlN2IzMDIyODM4ZDk4ZjU5ODE5NzdkMTcxZjNmYjYyY2Y4NDg4YTJmYjgwZjdjY2ExODEifQ.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.orUFCWtzYEIlO5Of1QvDjEm04jqSJNJ0RYDuYW1AsqWQkl2kKUr-rUBYx0qZ_VB_k9EF-a3ZjtvCfYPkHKEJza2C23avc1gYYyv6qcZcuZJFP6GLndFX0ksDSrfFPjHhctO4iwpGazifcCfwyxZcGVYUjHa5aqcc__oWQ49ZdIO8Ej5TPf0WEXtrAXG6EhBLPNr8T1zidJp7wP2TAMoG8QKHnQBdBVaxJR33ruOYQ7dqp3Ua-bJcwnrn27M2GLgo8B_LjQkAar1qPuNwjHvnjkF9i-VaqS3R1S9U-tD-k8hjL8SQ-OB9Zz9DsEyIFzxzkmV60Hq-ILXrK_svB_z92Q&redirect_url=%2F via 2606:4700:300a::6813:c21d -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/OMzA4DmNyi

Permanent link: aaaa.bot/r/OMzA4DmNyi · How we measure

Checked 2026-11-05 15:54:39 UTC. Full DNS report: dns.pizza/domain/winparr.app · Age, certificate and blocklists: how.is/winparr.app · JSON: /api/v1/winparr.app