Yes — punchleaf.app has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 punchleaf.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::6815:57aa answers · 443✓ 2606:4700:3037::ac43:90c5 answers · 443	yes
www over IPv6 www.punchleaf.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::6815:57aa answers · 443✓ 2606:4700:3037::ac43:90c5 answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. route3.mx.cloudflare.net ✓route1.mx.cloudflare.net ✓route2.mx.cloudflare.net ✓	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. gabriella.ns.cloudflare.com ✓rocky.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://punchleaf.app/ via 2606:4700:3033::6815:57aa → 302https://steep-truth-b72b.cloudflareaccess.com/cdn-cgi/access/login/punchleaf.app?kid=576574ade2154dd16f08c057f087065187ae611fd664b4acfc1bc6a48dcf26bf&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.MMW3mqa-dvquxL9xdYl6LVPF4M8JoRmowORJH0-YTj35VxwyxS7R6dCTcY_hLv3qhnrNzYZhd3jAQlHFlkZFollZN570K9pFWU5_e3bOi7MJE7KMy2EVshruNEh5z2JpBPbie6rZP1_DvmeZT385d6-4EG9_4NLxCRb5J-w9TTI1OGEVh-DV8qt5nz37F0WV14ndkEYAldAPIuCAntrYmhgUbDdmWnp50aS-6S8QdrXvSLuF-T1BBPP1Usiu4GbnPhrGq2xBVVNZnT3GDCkZN6Ch2X0L7aedXW4POxU3HNs0HfvKQC7xTsPG-G8mTG_KJ-63oPM4W2NFnKPX_4h50Q&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/punchleaf.app.svg)](https://aaaa.bot/punchleaf.app)

Check again

punchleaf.app Has IPv6

A (IPv4)	172.67.144.197 104.21.87.170
AAAA (IPv6)	2606:4700:3033::6815:57aa 2606:4700:3037::ac43:90c5

www.punchleaf.app Has IPv6

A (IPv4)	172.67.144.197 104.21.87.170
AAAA (IPv6)	2606:4700:3033::6815:57aa 2606:4700:3037::ac43:90c5

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: punchleaf.app
Measured 2026-11-09 13:14:28 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.144.197, 104.21.87.170
AAAA (IPv6): 2606:4700:3033::6815:57aa, 2606:4700:3037::ac43:90c5
www AAAA:    2606:4700:3033::6815:57aa, 2606:4700:3037::ac43:90c5

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: punchleaf.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3033::6815:57aa: answers (TCP 443)
    2606:4700:3037::ac43:90c5: answers (TCP 443)
- www over IPv6: www.punchleaf.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3033::6815:57aa: answers (TCP 443)
    2606:4700:3037::ac43:90c5: answers (TCP 443)
- Mail servers (MX) have IPv6: Every mail server 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://punchleaf.app/ via 2606:4700:3033::6815:57aa -> HTTP 302, certificate: valid
    https://steep-truth-b72b.cloudflareaccess.com/cdn-cgi/access/login/punchleaf.app?kid=576574ade2154dd16f08c057f087065187ae611fd664b4acfc1bc6a48dcf26bf&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.MMW3mqa-dvquxL9xdYl6LVPF4M8JoRmowORJH0-YTj35VxwyxS7R6dCTcY_hLv3qhnrNzYZhd3jAQlHFlkZFollZN570K9pFWU5_e3bOi7MJE7KMy2EVshruNEh5z2JpBPbie6rZP1_DvmeZT385d6-4EG9_4NLxCRb5J-w9TTI1OGEVh-DV8qt5nz37F0WV14ndkEYAldAPIuCAntrYmhgUbDdmWnp50aS-6S8QdrXvSLuF-T1BBPP1Usiu4GbnPhrGq2xBVVNZnT3GDCkZN6Ch2X0L7aedXW4POxU3HNs0HfvKQC7xTsPG-G8mTG_KJ-63oPM4W2NFnKPX_4h50Q&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/TLPJ3TQ6YO

Permanent link: aaaa.bot/r/TLPJ3TQ6YO · How we measure

Checked 2026-11-09 13:14:28 UTC. Full DNS report: dns.pizza/domain/punchleaf.app · Age, certificate and blocklists: how.is/punchleaf.app · JSON: /api/v1/punchleaf.app