Yes — cubo.business has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 cubo.business has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:f180:c60:c707:8e36:2e8b answers · 443✓ 2a02:4780:84:aea0:b362:ac01:847e:63e1 answers · 443	yes
www over IPv6 www.cubo.business has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:79c8:c13:d70d:d740:e52f answers · 443✓ 2a02:4780:84:59af:8dbc:4cc2:7567:b02b 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. apollo.dns-parking.com ✓athena.dns-parking.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.

https://cubo.business/ via 2a02:4780:84:f180:c60:c707:8e36:2e8b → 302https://cubo.business/wp-login.php?redirect_to=https%3A%2F%2Fcubo.business%2F&reauth=1 via 2a02:4780:84:f180:c60:c707:8e36:2e8b → 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/cubo.business.svg)](https://aaaa.bot/cubo.business)

Check again

cubo.business Has IPv6

A (IPv4)	84.32.84.43 2.57.91.196
AAAA (IPv6)	2a02:4780:84:f180:c60:c707:8e36:2e8b 2a02:4780:84:aea0:b362:ac01:847e:63e1

www.cubo.business Has IPv6

Alias of	www.cubo.business.cdn.hstgr.net
A (IPv4)	191.96.144.149 191.101.104.235
AAAA (IPv6)	2a02:4780:84:79c8:c13:d70d:d740:e52f 2a02:4780:84:59af:8dbc:4cc2:7567:b02b

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: cubo.business
Measured 2026-11-05 00:14:38 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    84.32.84.43, 2.57.91.196
AAAA (IPv6): 2a02:4780:84:f180:c60:c707:8e36:2e8b, 2a02:4780:84:aea0:b362:ac01:847e:63e1
www AAAA:    2a02:4780:84:79c8:c13:d70d:d740:e52f, 2a02:4780:84:59af:8dbc:4cc2:7567:b02b

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: cubo.business has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:f180:c60:c707:8e36:2e8b: answers (TCP 443)
    2a02:4780:84:aea0:b362:ac01:847e:63e1: answers (TCP 443)
- www over IPv6: www.cubo.business has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:79c8:c13:d70d:d740:e52f: answers (TCP 443)
    2a02:4780:84:59af:8dbc:4cc2:7567:b02b: 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://cubo.business/ via 2a02:4780:84:f180:c60:c707:8e36:2e8b -> HTTP 302, certificate: valid
    https://cubo.business/wp-login.php?redirect_to=https%3A%2F%2Fcubo.business%2F&reauth=1 via 2a02:4780:84:f180:c60:c707:8e36:2e8b -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/LZK80c_nMh

Permanent link: aaaa.bot/r/LZK80c_nMh · How we measure

Checked 2026-11-05 00:14:38 UTC. Full DNS report: dns.pizza/domain/cubo.business · Age, certificate and blocklists: how.is/cubo.business · JSON: /api/v1/cubo.business