Yes — xn--maisonsadi-e9a.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--maisonsadi-e9a.com has an AAAA record and answers on it. ✓ 2001:8d8:100f:f000::200 answers · 443	yes
www over IPv6 www.xn--maisonsadi-e9a.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700::6812:17ba answers · 443✓ 2606:4700::6812:16ba 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. ns1099.ui-dns.biz ✓ns1058.ui-dns.com ✓ns1108.ui-dns.de ✓ns1056.ui-dns.org ✓	yes

HTTPS over IPv6 · not part of the grade yet
xn--maisonsadi-e9a.com didn't complete an HTTPS request over IPv6 (ERR_SSL_TLSV1_ALERT_INTERNAL_ERROR).

https://xn--maisonsadi-e9a.com/ via 2001:8d8:100f:f000::200 · ERR_SSL_TLSV1_ALERT_INTERNAL_ERROR

What's keeping xn--maisonsadi-e9a.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--maisonsadi-e9a.com Has IPv6

A (IPv4)	217.160.0.93
AAAA (IPv6)	2001:8d8:100f:f000::200

www.xn--maisonsadi-e9a.com Has IPv6

Alias of	custom-domains.chatgpt.site
A (IPv4)	104.18.22.186 104.18.23.186
AAAA (IPv6)	2606:4700::6812:17ba 2606:4700::6812:16ba

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--maisonsadi-e9a.com
Measured 2026-11-10 20:47:47 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    217.160.0.93
AAAA (IPv6): 2001:8d8:100f:f000::200
www AAAA:    2606:4700::6812:17ba, 2606:4700::6812:16ba

Readiness grade B: Works over IPv6, with one gap: its mail servers lack IPv6.
- Website over IPv6: xn--maisonsadi-e9a.com has an AAAA record and answers on it.
    2001:8d8:100f:f000::200: answers (TCP 443)
- www over IPv6: www.xn--maisonsadi-e9a.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700::6812:17ba: answers (TCP 443)
    2606:4700::6812:16ba: 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): xn--maisonsadi-e9a.com didn't complete an HTTPS request over IPv6 (ERR_SSL_TLSV1_ALERT_INTERNAL_ERROR).
    https://xn--maisonsadi-e9a.com/ via 2001:8d8:100f:f000::200 (ERR_SSL_TLSV1_ALERT_INTERNAL_ERROR)
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/057wF4NVXs

Permanent link: aaaa.bot/r/057wF4NVXs · How we measure

Checked 2026-11-10 20:47:47 UTC. Full DNS report: dns.pizza/domain/xn--maisonsadi-e9a.com · Age, certificate and blocklists: how.is/xn--maisonsadi-e9a.com · JSON: /api/v1/xn--maisonsadi-e9a.com