Yes — therafusion.app has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 therafusion.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::6815:3266 answers · 443✓ 2606:4700:3031::ac43:ccb8 answers · 443	yes
www over IPv6 www.therafusion.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3031::ac43:ccb8 answers · 443✓ 2606:4700:3035::6815:3266 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. melany.ns.cloudflare.com ✓roman.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://therafusion.app/ via 2606:4700:3035::6815:3266 → 302https://steep-pond-dc80.cloudflareaccess.com/cdn-cgi/access/login/therafusion.app?kid=730d6e384b39f69149394fb6ed01c9665aa37d8c8c59cdef64ea8540f6692b90&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.eyJ0eXBlIjoibWV0YSIsImF1ZCI6IjczMGQ2ZTM4NGIzOWY2OTE0OTM5NGZiNmVkMDFjOTY2NWFhMzdkOGM4YzU5Y2RlZjY0ZWE4NTQwZjY2OTJiOTAiLCJob3N0bmFtZSI6InRoZXJhZnVzaW9uLmFwcCIsInJlZGlyZWN0X3VybCI6Ii8iLCJzZXJ2aWNlX3Rva2VuX3N0YXR1cyI6ZmFsc2UsImlzX3dhcnAiOmZhbHNlLCJpc19nYXRld2F5IjpmYWxzZSwiZXhwIjoxNzk0NjM1NjY5LCJuYmYiOjE3OTQ2MzUzNjksImlhdCI6MTc5NDYzNTM2OSwiYXV0aF9zdGF0dXMiOiJOT05FIiwibXRsc19hdXRoIjp7ImNlcnRfaXNzdWVyX2RuIjoiIiwiY2VydF9zZXJpYWwiOiIiLCJjZXJ0X2lzc3Vlcl9za2kiOiIiLCJjZXJ0X3ByZXNlbnRlZCI6ZmFsc2UsImNvbW1vbl9uYW1lIjoiIiwiYXV0aF9zdGF0dXMiOiJOT05FIn0sInJlYWxfY291bnRyeSI6IlVTIiwiYXBwX3Nlc3Npb25faGFzaCI6IjZlMjVlOWM4N2JmOGQ2OWFiMjBiNDBlNmU5ZmQ2ZmYwYTE4MDk5OTcxZTA0NWM5Y2I0YjAxMTJkNDFmZGEyYTgifQ.RkvlDB6lovZC8wl0YJ5k1NPNr-mrBhzwkGbqKSWL4neE-ewVN94TTnoBgVac4clUcEOTZo9nXeGzM4e2Y7dwzY51IXqDW9OBXBjr1ghaMOlXFhbTaZRqibhZaA9DWR1AB_Nu6nqyMUgGXwRbzVupykg0rtQC2aY5bD07EcQhOylNuoDGXpJAZl1BSDFqsuuWpeluptM1CTFDjs6LiheJ3lu_B7jkXlQP8NOZ4UdfhDGU0Xh_9CHgaI4Oi4ueUqfeFnVwfy_0zwKDgwgQMv2TN5f8oOL82DovUxDmbqmk8p4HzK3Stoj1tiHrpKbZBcdOHqlUAC-J-UlMrDcsg0CG1Q&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/therafusion.app.svg)](https://aaaa.bot/therafusion.app)

Check again

therafusion.app Has IPv6

A (IPv4)	104.21.50.102 172.67.204.184
AAAA (IPv6)	2606:4700:3035::6815:3266 2606:4700:3031::ac43:ccb8

www.therafusion.app Has IPv6

A (IPv4)	104.21.50.102 172.67.204.184
AAAA (IPv6)	2606:4700:3031::ac43:ccb8 2606:4700:3035::6815:3266

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: therafusion.app
Measured 2026-11-14 05:49:29 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.50.102, 172.67.204.184
AAAA (IPv6): 2606:4700:3035::6815:3266, 2606:4700:3031::ac43:ccb8
www AAAA:    2606:4700:3031::ac43:ccb8, 2606:4700:3035::6815:3266

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: therafusion.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3035::6815:3266: answers (TCP 443)
    2606:4700:3031::ac43:ccb8: answers (TCP 443)
- www over IPv6: www.therafusion.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3031::ac43:ccb8: answers (TCP 443)
    2606:4700:3035::6815:3266: 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://therafusion.app/ via 2606:4700:3035::6815:3266 -> HTTP 302, certificate: valid
    https://steep-pond-dc80.cloudflareaccess.com/cdn-cgi/access/login/therafusion.app?kid=730d6e384b39f69149394fb6ed01c9665aa37d8c8c59cdef64ea8540f6692b90&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.RkvlDB6lovZC8wl0YJ5k1NPNr-mrBhzwkGbqKSWL4neE-ewVN94TTnoBgVac4clUcEOTZo9nXeGzM4e2Y7dwzY51IXqDW9OBXBjr1ghaMOlXFhbTaZRqibhZaA9DWR1AB_Nu6nqyMUgGXwRbzVupykg0rtQC2aY5bD07EcQhOylNuoDGXpJAZl1BSDFqsuuWpeluptM1CTFDjs6LiheJ3lu_B7jkXlQP8NOZ4UdfhDGU0Xh_9CHgaI4Oi4ueUqfeFnVwfy_0zwKDgwgQMv2TN5f8oOL82DovUxDmbqmk8p4HzK3Stoj1tiHrpKbZBcdOHqlUAC-J-UlMrDcsg0CG1Q&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/R5IRnLUwVD

Permanent link: aaaa.bot/r/R5IRnLUwVD · How we measure

Checked 2026-11-14 05:49:29 UTC. Full DNS report: dns.pizza/domain/therafusion.app · Age, certificate and blocklists: how.is/therafusion.app · JSON: /api/v1/therafusion.app