Yes — jabuticosmico.org has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 jabuticosmico.org has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::ac43:a86d answers · 443✓ 2606:4700:3034::6815:3664 answers · 443	yes
www over IPv6 www.jabuticosmico.org has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::ac43:a86d answers · 443✓ 2606:4700:3034::6815:3664 answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. route2.mx.cloudflare.net ✓route3.mx.cloudflare.net ✓route1.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. betty.ns.cloudflare.com ✓yevgen.ns.cloudflare.com ✓	yes

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

https://jabuticosmico.org/ via 2606:4700:3030::ac43:a86d → 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/jabuticosmico.org.svg)](https://aaaa.bot/jabuticosmico.org)

Check again

jabuticosmico.org Has IPv6

A (IPv4)	172.67.168.109 104.21.54.100
AAAA (IPv6)	2606:4700:3030::ac43:a86d 2606:4700:3034::6815:3664

www.jabuticosmico.org Has IPv6

A (IPv4)	172.67.168.109 104.21.54.100
AAAA (IPv6)	2606:4700:3030::ac43:a86d 2606:4700:3034::6815:3664

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: jabuticosmico.org
Measured 2026-11-01 02:59:20 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.168.109, 104.21.54.100
AAAA (IPv6): 2606:4700:3030::ac43:a86d, 2606:4700:3034::6815:3664
www AAAA:    2606:4700:3030::ac43:a86d, 2606:4700:3034::6815:3664

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: jabuticosmico.org has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3030::ac43:a86d: answers (TCP 443)
    2606:4700:3034::6815:3664: answers (TCP 443)
- www over IPv6: www.jabuticosmico.org has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3030::ac43:a86d: answers (TCP 443)
    2606:4700:3034::6815:3664: 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: HTTP 200.
    https://jabuticosmico.org/ via 2606:4700:3030::ac43:a86d -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/dwnkuk_h_8

Permanent link: aaaa.bot/r/dwnkuk_h_8 · How we measure

Checked 2026-11-01 02:59:20 UTC. Full DNS report: dns.pizza/domain/jabuticosmico.org · JSON: /api/v1/jabuticosmico.org