Yes — caseflowhq.app has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 caseflowhq.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3031::6815:3040 answers · 443✓ 2606:4700:3032::ac43:b436 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. davina.ns.cloudflare.com ✓venkat.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://caseflowhq.app/ via 2606:4700:3031::6815:3040 → 302https://interbrok.cloudflareaccess.com/cdn-cgi/access/login/caseflowhq.app?kid=3c66b079f6fb0cf0e840f869f4ddb18f23e5b71f32926a30be8a109a06ced962&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImZhOTczNjlkYzRjNmUzM2ViYjRlNjA2YjMxMDFkNDQ4OGZjYWE1MTJiOTg1OTk3MTRmNjk4MzU2MmYzNTdlOGUifQ.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.VJ2p0QMO3DhSIQ_EWDn_DDluJ6r4bNP7dTdNMai88_QF8uP6S2IVOM5LtpEFNlHCVky4LR6A298b63TLKg5ZKvID9KcRjSzM4KwFlciyQpvzNU9W7an3q6Hp7gQTvWJYWguZQkj4yp3TvVmrW2eZRmbAxHMEcYgvP6e0XyfkN_8SFaSSYA-fkvRoCEA_Y07SJd2a9as1Oz0vTbDcFOf8ceDY72Oa4Gq86JV8TDM7nNHJHL9K_FPBVZjwSVNBOfIklaka-T9hp2RjGsfi--26rRlMB6SHngkYuX2H4IfxPO3B5iNg9fiYMmoR5PgMVhyI_2HXztbIK_gic_YzIo9OFA&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/caseflowhq.app.svg)](https://aaaa.bot/caseflowhq.app)

Check again

caseflowhq.app Has IPv6

A (IPv4)	172.67.180.54 104.21.48.64
AAAA (IPv6)	2606:4700:3031::6815:3040 2606:4700:3032::ac43:b436

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: caseflowhq.app
Measured 2026-10-31 04:49:31 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.180.54, 104.21.48.64
AAAA (IPv6): 2606:4700:3031::6815:3040, 2606:4700:3032::ac43:b436

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: caseflowhq.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3031::6815:3040: answers (TCP 443)
    2606:4700:3032::ac43:b436: 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://caseflowhq.app/ via 2606:4700:3031::6815:3040 -> HTTP 302, certificate: valid
    https://interbrok.cloudflareaccess.com/cdn-cgi/access/login/caseflowhq.app?kid=3c66b079f6fb0cf0e840f869f4ddb18f23e5b71f32926a30be8a109a06ced962&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImZhOTczNjlkYzRjNmUzM2ViYjRlNjA2YjMxMDFkNDQ4OGZjYWE1MTJiOTg1OTk3MTRmNjk4MzU2MmYzNTdlOGUifQ.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.VJ2p0QMO3DhSIQ_EWDn_DDluJ6r4bNP7dTdNMai88_QF8uP6S2IVOM5LtpEFNlHCVky4LR6A298b63TLKg5ZKvID9KcRjSzM4KwFlciyQpvzNU9W7an3q6Hp7gQTvWJYWguZQkj4yp3TvVmrW2eZRmbAxHMEcYgvP6e0XyfkN_8SFaSSYA-fkvRoCEA_Y07SJd2a9as1Oz0vTbDcFOf8ceDY72Oa4Gq86JV8TDM7nNHJHL9K_FPBVZjwSVNBOfIklaka-T9hp2RjGsfi--26rRlMB6SHngkYuX2H4IfxPO3B5iNg9fiYMmoR5PgMVhyI_2HXztbIK_gic_YzIo9OFA&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/fmhtuyY7qe

Permanent link: aaaa.bot/r/fmhtuyY7qe · How we measure

Checked 2026-10-31 04:49:31 UTC. Full DNS report: dns.pizza/domain/caseflowhq.app · JSON: /api/v1/caseflowhq.app