Yes — allport.app has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 allport.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::ac43:b1cf answers · 443✓ 2606:4700:3030::6815:5bb5 answers · 443	yes
www over IPv6 www.allport.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::6815:5bb5 answers · 443✓ 2606:4700:3032::ac43:b1cf 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. anton.ns.cloudflare.com ✓uma.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 2 redirects: HTTP 200.

https://allport.app/ via 2606:4700:3032::ac43:b1cf → 301https://app.allport.app/ via 2606:4700:3032::ac43:b1cf → 302https://broad-rain-bf1e.cloudflareaccess.com/cdn-cgi/access/login/app.allport.app?kid=c521948064c95e791d459148921ff83e4c7e0e8fbb76a384344ddd956c25ddf2&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.J3RoiodLQI5moEm4ahpVWoYDWm3eyPnyD4RY68nsHQhAvY6gtgEUF_xUyakeuBhQyzG_i_n3M1pnwyMeJgWQgI8zPf8eTuted8Bsd5uALnT06Xp3a6xJIp8IN9dc5GIN0Pwdaby4pwTrpaick2rN_jCyU9RQ4MLPH71azc5KIFLADsAIKYRKvbNefVNVoSbaE-u1T7V8mo2dMsfijwmg7RbDmNjb2bTHf4bhjt3kRSbeuhc3W7Y3va92DSInqpUY1yj7e3xYUbq3a06cEIQc0GbDG74dM-XrIb68cghonLpzEO16x-uLU3gQEWy_FVPq-GD2sWx5svt2TVnAtf_XCA&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/allport.app.svg)](https://aaaa.bot/allport.app)

Check again

allport.app Has IPv6

A (IPv4)	104.21.91.181 172.67.177.207
AAAA (IPv6)	2606:4700:3032::ac43:b1cf 2606:4700:3030::6815:5bb5

www.allport.app Has IPv6

A (IPv4)	104.21.91.181 172.67.177.207
AAAA (IPv6)	2606:4700:3030::6815:5bb5 2606:4700:3032::ac43:b1cf

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: allport.app
Measured 2026-11-11 06:41:39 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.91.181, 172.67.177.207
AAAA (IPv6): 2606:4700:3032::ac43:b1cf, 2606:4700:3030::6815:5bb5
www AAAA:    2606:4700:3030::6815:5bb5, 2606:4700:3032::ac43:b1cf

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: allport.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3032::ac43:b1cf: answers (TCP 443)
    2606:4700:3030::6815:5bb5: answers (TCP 443)
- www over IPv6: www.allport.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3030::6815:5bb5: answers (TCP 443)
    2606:4700:3032::ac43:b1cf: 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 2 redirects: HTTP 200.
    https://allport.app/ via 2606:4700:3032::ac43:b1cf -> HTTP 301, certificate: valid
    https://app.allport.app/ via 2606:4700:3032::ac43:b1cf -> HTTP 302, certificate: valid
    https://broad-rain-bf1e.cloudflareaccess.com/cdn-cgi/access/login/app.allport.app?kid=c521948064c95e791d459148921ff83e4c7e0e8fbb76a384344ddd956c25ddf2&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.J3RoiodLQI5moEm4ahpVWoYDWm3eyPnyD4RY68nsHQhAvY6gtgEUF_xUyakeuBhQyzG_i_n3M1pnwyMeJgWQgI8zPf8eTuted8Bsd5uALnT06Xp3a6xJIp8IN9dc5GIN0Pwdaby4pwTrpaick2rN_jCyU9RQ4MLPH71azc5KIFLADsAIKYRKvbNefVNVoSbaE-u1T7V8mo2dMsfijwmg7RbDmNjb2bTHf4bhjt3kRSbeuhc3W7Y3va92DSInqpUY1yj7e3xYUbq3a06cEIQc0GbDG74dM-XrIb68cghonLpzEO16x-uLU3gQEWy_FVPq-GD2sWx5svt2TVnAtf_XCA&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/-LK7pGR1z6

Permanent link: aaaa.bot/r/-LK7pGR1z6 · How we measure

Checked 2026-11-11 06:41:39 UTC. Full DNS report: dns.pizza/domain/allport.app · Age, certificate and blocklists: how.is/allport.app · JSON: /api/v1/allport.app