Yes — cartouche.run has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 cartouche.run has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::6815:4b4e answers · 443✓ 2606:4700:3036::ac43:d98f answers · 443	yes
www over IPv6 www.cartouche.run has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::ac43:d98f answers · 443✓ 2606:4700:3032::6815:4b4e 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. chad.ns.cloudflare.com ✓coco.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://cartouche.run/ via 2606:4700:3032::6815:4b4e → 301https://cartouche.gg/ via 2606:4700:3035::6815:1a45 → 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/cartouche.run.svg)](https://aaaa.bot/cartouche.run)

Check again

cartouche.run Has IPv6

A (IPv4)	172.67.217.143 104.21.75.78
AAAA (IPv6)	2606:4700:3032::6815:4b4e 2606:4700:3036::ac43:d98f

www.cartouche.run Has IPv6

A (IPv4)	172.67.217.143 104.21.75.78
AAAA (IPv6)	2606:4700:3036::ac43:d98f 2606:4700:3032::6815:4b4e

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: cartouche.run
Measured 2026-11-10 22:42:32 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.217.143, 104.21.75.78
AAAA (IPv6): 2606:4700:3032::6815:4b4e, 2606:4700:3036::ac43:d98f
www AAAA:    2606:4700:3036::ac43:d98f, 2606:4700:3032::6815:4b4e

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: cartouche.run has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3032::6815:4b4e: answers (TCP 443)
    2606:4700:3036::ac43:d98f: answers (TCP 443)
- www over IPv6: www.cartouche.run has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3036::ac43:d98f: answers (TCP 443)
    2606:4700:3032::6815:4b4e: 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://cartouche.run/ via 2606:4700:3032::6815:4b4e -> HTTP 301, certificate: valid
    https://cartouche.gg/ via 2606:4700:3035::6815:1a45 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/tm9PRrQvCa

Permanent link: aaaa.bot/r/tm9PRrQvCa · How we measure

Checked 2026-11-10 22:42:32 UTC. Full DNS report: dns.pizza/domain/cartouche.run · Age, certificate and blocklists: how.is/cartouche.run · JSON: /api/v1/cartouche.run