Yes — cb27power.store has IPv6.

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

IPv6 readiness

Works over IPv6, with one gap: its mail servers lack IPv6.

Website over IPv6 cb27power.store has an AAAA record and answers on it. ✓ 2001:8d8:100f:f000::25f answers · 443	yes
www over IPv6 www.cb27power.store has an AAAA record and answers on it. ✓ 2001:8d8:100f:f000::25f answers · 443	yes
Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. mx01.ionos.es ✗mx00.ionos.es ✗	no
Nameservers have IPv6 4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. ns1125.ui-dns.com ✓ns1113.ui-dns.biz ✓ns1016.ui-dns.org ✓ns1038.ui-dns.de ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 3 redirects: HTTP 200.

https://cb27power.store/ via 2001:8d8:100f:f000::25f → 301http://josemiguelpuech.com/ via 2001:8d8:100f:f000::200 → 302https://www.facebook.com/JMPUECHR via 2a03:2880:f373:1:face:b00c:0:25de → 302https://www.facebook.com/login/?next=https%3A%2F%2Fwww.facebook.com%2FJMPUECHR via 2a03:2880:f373:1:face:b00c:0:25de → 200

works

What's keeping cb27power.store from an A

Mail servers without IPv6
mx01.ionos.es, mx00.ionos.es have no AAAA record, so mail from IPv6-only servers can't reach them directly. If a provider runs your mail, that's their setting; if you run it, add AAAA records for these hosts.

Check again

cb27power.store Has IPv6

A (IPv4)	217.160.0.194
AAAA (IPv6)	2001:8d8:100f:f000::25f

www.cb27power.store Has IPv6

A (IPv4)	217.160.0.194
AAAA (IPv6)	2001:8d8:100f:f000::25f

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: cb27power.store
Measured 2026-11-08 07:59:37 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    217.160.0.194
AAAA (IPv6): 2001:8d8:100f:f000::25f
www AAAA:    2001:8d8:100f:f000::25f

Readiness grade B: Works over IPv6, with one gap: its mail servers lack IPv6.
- Website over IPv6: cb27power.store has an AAAA record and answers on it.
    2001:8d8:100f:f000::25f: answers (TCP 443)
- www over IPv6: www.cb27power.store has an AAAA record and answers on it.
    2001:8d8:100f:f000::25f: answers (TCP 443)
- Mail servers (MX) have IPv6: None of the mail servers has an AAAA record.
- Nameservers have IPv6: 4 of 4 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 3 redirects: HTTP 200.
    https://cb27power.store/ via 2001:8d8:100f:f000::25f -> HTTP 301, certificate: valid
    http://josemiguelpuech.com/ via 2001:8d8:100f:f000::200 -> HTTP 302
    https://www.facebook.com/JMPUECHR via 2a03:2880:f373:1:face:b00c:0:25de -> HTTP 302, certificate: valid
    https://www.facebook.com/login/?next=https%3A%2F%2Fwww.facebook.com%2FJMPUECHR via 2a03:2880:f373:1:face:b00c:0:25de -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/ruLrWVWNb3

Permanent link: aaaa.bot/r/ruLrWVWNb3 · How we measure

Checked 2026-11-08 07:59:37 UTC. Full DNS report: dns.pizza/domain/cb27power.store · Age, certificate and blocklists: how.is/cb27power.store · JSON: /api/v1/cb27power.store