Yes — msct-services.immo has IPv6.

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

B
IPv6 readiness
Works over IPv6, with one gap: its mail servers lack IPv6.
Website over IPv6
msct-services.immo 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.
mx00.ionos.de ✗mx01.ionos.de ✗
no
Nameservers have IPv6
4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
ns1042.ui-dns.de ✓ns1125.ui-dns.org ✓ns1048.ui-dns.biz ✓ns1096.ui-dns.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
msct-services.immo didn't complete an HTTPS request over IPv6 (ERR_SSL_TLSV1_ALERT_INTERNAL_ERROR).
https://msct-services.immo/ via 2001:8d8:100f:f000::200 · ERR_SSL_TLSV1_ALERT_INTERNAL_ERROR
?
 Which outside scripts, fonts, payments or chat msct-services.immo loads from have no IPv6.
 Load msct-services.immo over IPv6 from up to six other places — a second opinion.

What's keeping msct-services.immo from an A

  1. Mail servers without IPv6
    mx00.ionos.de, mx01.ionos.de 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

msct-services.immo  Has IPv6

A (IPv4)217.160.0.244
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

 Permanent link: aaaa.bot/r/rNYX-ZTWdv · How we measure

Checked 2026-11-13 07:54:58 UTC. Full DNS report: dns.pizza/domain/msct-services.immo · Age, certificate and blocklists: how.is/msct-services.immo · JSON: /api/v1/msct-services.immo