Yes — cmxpi.icu has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 cmxpi.icu has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::6815:492 answers · 443✓ 2606:4700:3031::ac43:9a24 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. luciane.ns.cloudflare.com ✓peyton.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://cmxpi.icu/ via 2606:4700:3030::6815:492 → 302https://sweet-haze-dcc8.cloudflareaccess.com/cdn-cgi/access/login/cmxpi.icu?kid=c2fc865cc283f0e0e159b82b6bcacf0dd3d31ae6e8fb9687e27c19de27426574&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjQxN2ZiMjYzMGM1ZmI4NzAwYjc5YjNmYzhjNzAwN2JhNDM0MWIwMDJkYTA3ZjhlNTAxZTA2ZTkwOTdmOWJjZTgifQ.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.jo444hzNHONiYsw60KxqmXwfDko-78WenFJR5yrGBdpTawJSRAR67BZD7VsbnQ1Yf2bCuPLKMRmSryT0cwsVcAPu-XRtgzS7P91c13crXNM2vfsCSvySu1X4tQseAREqBnq2remZCxm04mZpaPTGmJIYms0qLhoaGalyZ-eps-O5gfMM488X9rs7Q6EKUMrCOIw81HXoE02mMHmo0n5Ijx0u2Wwfle5Gmcr25ZT2ymrktVgCnfdCpw-49AS67rF_U-_unIbb7sgGZHdGj-V8zjkElCA3TFXqkTHtC2ZB1TVPU393pT0_1YKkeam_Rg7VL2NWObO1x6r7zSkDU3Fo0w&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/cmxpi.icu.svg)](https://aaaa.bot/cmxpi.icu)

Check again

cmxpi.icu Has IPv6

A (IPv4)	172.67.154.36 104.21.4.146
AAAA (IPv6)	2606:4700:3030::6815:492 2606:4700:3031::ac43:9a24

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: cmxpi.icu
Measured 2026-11-07 01:19:07 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.154.36, 104.21.4.146
AAAA (IPv6): 2606:4700:3030::6815:492, 2606:4700:3031::ac43:9a24

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: cmxpi.icu has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3030::6815:492: answers (TCP 443)
    2606:4700:3031::ac43:9a24: 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://cmxpi.icu/ via 2606:4700:3030::6815:492 -> HTTP 302, certificate: valid
    https://sweet-haze-dcc8.cloudflareaccess.com/cdn-cgi/access/login/cmxpi.icu?kid=c2fc865cc283f0e0e159b82b6bcacf0dd3d31ae6e8fb9687e27c19de27426574&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjQxN2ZiMjYzMGM1ZmI4NzAwYjc5YjNmYzhjNzAwN2JhNDM0MWIwMDJkYTA3ZjhlNTAxZTA2ZTkwOTdmOWJjZTgifQ.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.jo444hzNHONiYsw60KxqmXwfDko-78WenFJR5yrGBdpTawJSRAR67BZD7VsbnQ1Yf2bCuPLKMRmSryT0cwsVcAPu-XRtgzS7P91c13crXNM2vfsCSvySu1X4tQseAREqBnq2remZCxm04mZpaPTGmJIYms0qLhoaGalyZ-eps-O5gfMM488X9rs7Q6EKUMrCOIw81HXoE02mMHmo0n5Ijx0u2Wwfle5Gmcr25ZT2ymrktVgCnfdCpw-49AS67rF_U-_unIbb7sgGZHdGj-V8zjkElCA3TFXqkTHtC2ZB1TVPU393pT0_1YKkeam_Rg7VL2NWObO1x6r7zSkDU3Fo0w&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/2WOBGBi9yG

Permanent link: aaaa.bot/r/2WOBGBi9yG · How we measure

Checked 2026-11-07 01:19:07 UTC. Full DNS report: dns.pizza/domain/cmxpi.icu · Age, certificate and blocklists: how.is/cmxpi.icu · JSON: /api/v1/cmxpi.icu