Yes — cartal.app has IPv6.

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

This is a saved measurement from 2026-11-03 11:02 UTC. Check cartal.app live now

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 cartal.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:460a:d681:7d92:b10d:8ed3 answers · 443✓ 2a02:4780:84:909f:36f1:fb6b:e478:c8cd answers · 443	yes
www over IPv6 www.cartal.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:67bb:5c85:f985:1c93:dae8 answers · 443✓ 2a02:4780:84:8932:4971:9fb0:c6cf:7b5d 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. coco.ns.cloudflare.com ✓ernest.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.

https://cartal.app/ via 2a02:4780:84:460a:d681:7d92:b10d:8ed3 → 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/cartal.app.svg)](https://aaaa.bot/cartal.app)

Check again

cartal.app Has IPv6

A (IPv4)	191.101.104.32 191.96.144.231
AAAA (IPv6)	2a02:4780:84:460a:d681:7d92:b10d:8ed3 2a02:4780:84:909f:36f1:fb6b:e478:c8cd

www.cartal.app Has IPv6

Alias of	www.cartal.app.cdn.hstgr.net
A (IPv4)	2.57.91.204 84.32.84.68
AAAA (IPv6)	2a02:4780:84:67bb:5c85:f985:1c93:dae8 2a02:4780:84:8932:4971:9fb0:c6cf:7b5d

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: cartal.app
Measured 2026-11-03 11:02:13 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    191.101.104.32, 191.96.144.231
AAAA (IPv6): 2a02:4780:84:460a:d681:7d92:b10d:8ed3, 2a02:4780:84:909f:36f1:fb6b:e478:c8cd
www AAAA:    2a02:4780:84:67bb:5c85:f985:1c93:dae8, 2a02:4780:84:8932:4971:9fb0:c6cf:7b5d

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: cartal.app has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:460a:d681:7d92:b10d:8ed3: answers (TCP 443)
    2a02:4780:84:909f:36f1:fb6b:e478:c8cd: answers (TCP 443)
- www over IPv6: www.cartal.app has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:67bb:5c85:f985:1c93:dae8: answers (TCP 443)
    2a02:4780:84:8932:4971:9fb0:c6cf:7b5d: 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: HTTP 200.
    https://cartal.app/ via 2a02:4780:84:460a:d681:7d92:b10d:8ed3 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/72YRNj1JlW

Permanent link: aaaa.bot/r/72YRNj1JlW · How we measure

Checked 2026-11-03 11:02:13 UTC. Full DNS report: dns.pizza/domain/cartal.app · Age, certificate and blocklists: how.is/cartal.app · JSON: /api/v1/cartal.app