Yes — cookbookie.app has IPv6.

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

This is a saved measurement from 2026-11-08 04:03 UTC. Check cookbookie.app live now

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 cookbookie.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::6815:4aa answers · 443✓ 2606:4700:3037::ac43:8449 answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. route1.mx.cloudflare.net ✓route2.mx.cloudflare.net ✓route3.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. carlos.ns.cloudflare.com ✓joyce.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://cookbookie.app/ via 2606:4700:3032::6815:4aa → 302https://cookbookie.cloudflareaccess.com/cdn-cgi/access/login/cookbookie.app?kid=f17eccd58572accec5ea6f81ce9f839cf666ce09fdfcd1a44c3d005aff7b30ec&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.NnczRZmtIyYNtGP04yVHlYshTVCK-XtHiyj6ICc_7PkNNYGgax-Nu3vW0VxsMZKIg4giyvODNFVqXt3k6yy7lQaBz8HvTNBRS4eedIOxBgDNXCWCIDlRSDB-vBopaCXHv8mGi2sEaFzgwetqXhVQTjmhQOsJtUKuoiZ_MAndW_CBl4DaFPHOoU3WPzqTro3MeX72A1VVl6EieuhB_AbDJHLFvmTBzcrYJREE2nzfP2gn214GO244Du_ogZAmRjJmQpJ417H0SUdM-Uc7tUjEq26NTRxP7d08QB89nhQADZmGdeoixtzdth1DhXaC5F9qTfO7UC5HL-dENMeAowO3SQ&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/cookbookie.app.svg)](https://aaaa.bot/cookbookie.app)

Check again

cookbookie.app Has IPv6

A (IPv4)	172.67.132.73 104.21.4.170
AAAA (IPv6)	2606:4700:3032::6815:4aa 2606:4700:3037::ac43:8449

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: cookbookie.app
Measured 2026-11-08 04:03:06 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.132.73, 104.21.4.170
AAAA (IPv6): 2606:4700:3032::6815:4aa, 2606:4700:3037::ac43:8449

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: cookbookie.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3032::6815:4aa: answers (TCP 443)
    2606:4700:3037::ac43:8449: 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://cookbookie.app/ via 2606:4700:3032::6815:4aa -> HTTP 302, certificate: valid
    https://cookbookie.cloudflareaccess.com/cdn-cgi/access/login/cookbookie.app?kid=f17eccd58572accec5ea6f81ce9f839cf666ce09fdfcd1a44c3d005aff7b30ec&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.NnczRZmtIyYNtGP04yVHlYshTVCK-XtHiyj6ICc_7PkNNYGgax-Nu3vW0VxsMZKIg4giyvODNFVqXt3k6yy7lQaBz8HvTNBRS4eedIOxBgDNXCWCIDlRSDB-vBopaCXHv8mGi2sEaFzgwetqXhVQTjmhQOsJtUKuoiZ_MAndW_CBl4DaFPHOoU3WPzqTro3MeX72A1VVl6EieuhB_AbDJHLFvmTBzcrYJREE2nzfP2gn214GO244Du_ogZAmRjJmQpJ417H0SUdM-Uc7tUjEq26NTRxP7d08QB89nhQADZmGdeoixtzdth1DhXaC5F9qTfO7UC5HL-dENMeAowO3SQ&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/ALSPWMWCUN

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

Checked 2026-11-08 04:03:06 UTC. Full DNS report: dns.pizza/domain/cookbookie.app · Age, certificate and blocklists: how.is/cookbookie.app · JSON: /api/v1/cookbookie.app