Yes — direct-holiday.rentals 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 direct-holiday.rentals has an AAAA record and answers on it. ✓ 2001:8d8:100f:f000::2f8 answers · 443	yes
www over IPv6 www.direct-holiday.rentals has an AAAA record and answers on it. ✓ 2001:8d8:100f:f000::2f8 answers · 443	yes
Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. mx01.ionos.de ✗mx00.ionos.de ✗	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
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.

https://direct-holiday.rentals/ via 2001:8d8:100f:f000::2f8 → 301https://www.direct-holiday.rentals/ via 2001:8d8:100f:f000::2f8 → 200

works

What's keeping direct-holiday.rentals from an A

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

direct-holiday.rentals Has IPv6

A (IPv4)	217.160.0.111
AAAA (IPv6)	2001:8d8:100f:f000::2f8

www.direct-holiday.rentals Has IPv6

A (IPv4)	217.160.0.111
AAAA (IPv6)	2001:8d8:100f:f000::2f8

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: direct-holiday.rentals
Measured 2026-11-07 12:22:57 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    217.160.0.111
AAAA (IPv6): 2001:8d8:100f:f000::2f8
www AAAA:    2001:8d8:100f:f000::2f8

Readiness grade B: Works over IPv6, with one gap: its mail servers lack IPv6.
- Website over IPv6: direct-holiday.rentals has an AAAA record and answers on it.
    2001:8d8:100f:f000::2f8: answers (TCP 443)
- www over IPv6: www.direct-holiday.rentals has an AAAA record and answers on it.
    2001:8d8:100f:f000::2f8: 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 1 redirect: HTTP 200.
    https://direct-holiday.rentals/ via 2001:8d8:100f:f000::2f8 -> HTTP 301, certificate: valid
    https://www.direct-holiday.rentals/ via 2001:8d8:100f:f000::2f8 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/1Er89-K1p4

Permanent link: aaaa.bot/r/1Er89-K1p4 · How we measure

Checked 2026-11-07 12:22:57 UTC. Full DNS report: dns.pizza/domain/direct-holiday.rentals · Age, certificate and blocklists: how.is/direct-holiday.rentals · JSON: /api/v1/direct-holiday.rentals