Yes — xn--criniremanagement-ftb.com 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 xn--criniremanagement-ftb.com has an AAAA record and answers on it. ✓ 2001:8d8:100f:f000::200 answers · 443	yes
www over IPv6 www.xn--criniremanagement-ftb.com has an AAAA record and answers on it. ✓ 2001:8d8:100f:f000::200 answers · 443	yes
Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. mx01.ionos.fr ✗mx00.ionos.fr ✗	no
Nameservers have IPv6 4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. ns1056.ui-dns.org ✓ns1078.ui-dns.biz ✓ns1025.ui-dns.de ✓ns1097.ui-dns.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
equestrian-management.netlify.app didn't complete an HTTPS request over IPv6 (timed out).

https://xn--criniremanagement-ftb.com/ via 2001:8d8:100f:f000::200 → 302https://equestrian-management.netlify.app/connexion?mode=inscription via 2600:1f18:16e:df01::258 · timed out

What's keeping xn--criniremanagement-ftb.com from an A

Mail servers without IPv6
mx01.ionos.fr, mx00.ionos.fr 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

xn--criniremanagement-ftb.com Has IPv6

A (IPv4)	217.160.0.207
AAAA (IPv6)	2001:8d8:100f:f000::200

www.xn--criniremanagement-ftb.com Has IPv6

A (IPv4)	217.160.0.207
AAAA (IPv6)	2001:8d8:100f:f000::200

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: xn--criniremanagement-ftb.com
Measured 2026-11-08 01:02:52 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    217.160.0.207
AAAA (IPv6): 2001:8d8:100f:f000::200
www AAAA:    2001:8d8:100f:f000::200

Readiness grade B: Works over IPv6, with one gap: its mail servers lack IPv6.
- Website over IPv6: xn--criniremanagement-ftb.com has an AAAA record and answers on it.
    2001:8d8:100f:f000::200: answers (TCP 443)
- www over IPv6: www.xn--criniremanagement-ftb.com has an AAAA record and answers on it.
    2001:8d8:100f:f000::200: 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): equestrian-management.netlify.app didn't complete an HTTPS request over IPv6 (timed out).
    https://xn--criniremanagement-ftb.com/ via 2001:8d8:100f:f000::200 -> HTTP 302, certificate: valid
    https://equestrian-management.netlify.app/connexion?mode=inscription via 2600:1f18:16e:df01::258 (timed out)
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/xuKu3Hnl0z

Permanent link: aaaa.bot/r/xuKu3Hnl0z · How we measure

Checked 2026-11-08 01:02:52 UTC. Full DNS report: dns.pizza/domain/xn--criniremanagement-ftb.com · Age, certificate and blocklists: how.is/xn--criniremanagement-ftb.com · JSON: /api/v1/xn--criniremanagement-ftb.com