Yes — kilnlogger.app has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 kilnlogger.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::6815:c77 answers · 443✓ 2606:4700:3036::ac43:8423 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. armfazh.ns.cloudflare.com ✓dalary.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://kilnlogger.app/ via 2606:4700:3035::6815:c77 → 302https://wandering-sea-a27c.cloudflareaccess.com/cdn-cgi/access/login/kilnlogger.app?kid=e7130e0abf04dd7e4727a187780a8c40da84e2432d6803096fb48dd61eef0edc&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.CSXJEAXdL6cVweYASzLrjAC8digc2cT7o-E7AiJgNFKZc4TqviaghSO7oW_sj2YvQV9D-gy4du-pnvf0nASsSsis747bM0KelGHpabIcX2Pyxjq21h2rxz-at_LeYI9MWLomxwRqUzVtcXFKN7cF64fCgcdeXfJVuS8A6TANuJZ71mBZ5jQQLhfooDhwtolbjH63SYsDGlQdkPSrOsqEr6ZPbefoX5oIPTwtqrxEPxOH2HPL3aIFUYmoSeVBiXKnBpv-vfsvcQzKsVdRidu_iioUh9O0hcK7hy-bbvL6_vrgyI6UTKzrMOof6AMdnHJwF7ICiDeE5l-3xtj0RirtNQ&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/kilnlogger.app.svg)](https://aaaa.bot/kilnlogger.app)

Check again

kilnlogger.app Has IPv6

A (IPv4)	104.21.12.119 172.67.132.35
AAAA (IPv6)	2606:4700:3035::6815:c77 2606:4700:3036::ac43:8423

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: kilnlogger.app
Measured 2026-11-11 03:50:21 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.12.119, 172.67.132.35
AAAA (IPv6): 2606:4700:3035::6815:c77, 2606:4700:3036::ac43:8423

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: kilnlogger.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3035::6815:c77: answers (TCP 443)
    2606:4700:3036::ac43:8423: 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://kilnlogger.app/ via 2606:4700:3035::6815:c77 -> HTTP 302, certificate: valid
    https://wandering-sea-a27c.cloudflareaccess.com/cdn-cgi/access/login/kilnlogger.app?kid=e7130e0abf04dd7e4727a187780a8c40da84e2432d6803096fb48dd61eef0edc&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.CSXJEAXdL6cVweYASzLrjAC8digc2cT7o-E7AiJgNFKZc4TqviaghSO7oW_sj2YvQV9D-gy4du-pnvf0nASsSsis747bM0KelGHpabIcX2Pyxjq21h2rxz-at_LeYI9MWLomxwRqUzVtcXFKN7cF64fCgcdeXfJVuS8A6TANuJZ71mBZ5jQQLhfooDhwtolbjH63SYsDGlQdkPSrOsqEr6ZPbefoX5oIPTwtqrxEPxOH2HPL3aIFUYmoSeVBiXKnBpv-vfsvcQzKsVdRidu_iioUh9O0hcK7hy-bbvL6_vrgyI6UTKzrMOof6AMdnHJwF7ICiDeE5l-3xtj0RirtNQ&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/i_u_7x0KWm

Permanent link: aaaa.bot/r/i_u_7x0KWm · How we measure

Checked 2026-11-11 03:50:21 UTC. Full DNS report: dns.pizza/domain/kilnlogger.app · Age, certificate and blocklists: how.is/kilnlogger.app · JSON: /api/v1/kilnlogger.app