Yes — cemengal.app has IPv6.

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

This is a saved measurement from 2026-11-05 00:27 UTC. Check cemengal.app live now

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 cemengal.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::ac43:caf0 answers · 443✓ 2606:4700:3034::6815:1631 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. bowen.ns.cloudflare.com ✓kristin.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://cemengal.app/ via 2606:4700:3037::ac43:caf0 → 302https://floral-sky-9584.cloudflareaccess.com/cdn-cgi/access/login/cemengal.app?kid=490c8f3c65c5c809bc5d260a788c5063453f4afac2e205af03bc15f2cb024b15&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijk2NmFkZDI1NDcwZjEyNjQ0ODhmZjAxNTg3NzhjYmZhZmM2N2RkZGM2MzAzZDQ5NTYwNzJmOGMzYjI3ZmYxZTcifQ.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.OHWhGeZYG2TtosUVRwnJ6f0pCc9cVa4HGRv97tLK4nAuOwEZgRfORKo16fAzv4sV_40Q7-hCmTx1FgTQ9-bpKrSf-l9utE9Jt42rVn1Qg5J_wOfyJLgaUyiR7xMr_mEJfKsFUrOyKoiCwnSaRJaioVmat4tOeA35vabt7VAWONuDGcPzeI7fIrjHfERageUkBeSYbLmNc7hlhX5zPWUrCNGXccaQoLi-kSV_8anK946FVgSuDj7dOXm-on2yf3DkAV3_fkUomalDt2PFNJD2evJGz-ZiYpsxU_Pj7S4fGO6YCFs-otd6JRpA68as7ovXSghHyKxgKR3AcAjwTWCf3g&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/cemengal.app.svg)](https://aaaa.bot/cemengal.app)

Check again

cemengal.app Has IPv6

A (IPv4)	104.21.22.49 172.67.202.240
AAAA (IPv6)	2606:4700:3037::ac43:caf0 2606:4700:3034::6815:1631

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: cemengal.app
Measured 2026-11-05 00:27:40 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.22.49, 172.67.202.240
AAAA (IPv6): 2606:4700:3037::ac43:caf0, 2606:4700:3034::6815:1631

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: cemengal.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3037::ac43:caf0: answers (TCP 443)
    2606:4700:3034::6815:1631: 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://cemengal.app/ via 2606:4700:3037::ac43:caf0 -> HTTP 302, certificate: valid
    https://floral-sky-9584.cloudflareaccess.com/cdn-cgi/access/login/cemengal.app?kid=490c8f3c65c5c809bc5d260a788c5063453f4afac2e205af03bc15f2cb024b15&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijk2NmFkZDI1NDcwZjEyNjQ0ODhmZjAxNTg3NzhjYmZhZmM2N2RkZGM2MzAzZDQ5NTYwNzJmOGMzYjI3ZmYxZTcifQ.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.OHWhGeZYG2TtosUVRwnJ6f0pCc9cVa4HGRv97tLK4nAuOwEZgRfORKo16fAzv4sV_40Q7-hCmTx1FgTQ9-bpKrSf-l9utE9Jt42rVn1Qg5J_wOfyJLgaUyiR7xMr_mEJfKsFUrOyKoiCwnSaRJaioVmat4tOeA35vabt7VAWONuDGcPzeI7fIrjHfERageUkBeSYbLmNc7hlhX5zPWUrCNGXccaQoLi-kSV_8anK946FVgSuDj7dOXm-on2yf3DkAV3_fkUomalDt2PFNJD2evJGz-ZiYpsxU_Pj7S4fGO6YCFs-otd6JRpA68as7ovXSghHyKxgKR3AcAjwTWCf3g&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/0TW2wPPW71

Permanent link: aaaa.bot/r/0TW2wPPW71 · How we measure

Checked 2026-11-05 00:27:40 UTC. Full DNS report: dns.pizza/domain/cemengal.app · Age, certificate and blocklists: how.is/cemengal.app · JSON: /api/v1/cemengal.app