Yes — xn--klangportrt-u8a.com has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 xn--klangportrt-u8a.com has 3 IPv6 addresses and answers on every one we tested. ✓ 2a01:4f8:c17:c19c::1 answers · 443✓ 2a01:4f8:c2c:abf5::1 answers · 443✓ 2a01:4f8:c010:3f9c::1 answers · 443	yes
www over IPv6 www.xn--klangportrt-u8a.com has 3 IPv6 addresses and answers on every one we tested. ✓ 2a01:4f8:c17:c19c::1 answers · 443✓ 2a01:4f8:c2c:abf5::1 answers · 443✓ 2a01:4f8:c010:3f9c::1 answers · 443	yes
Mail servers (MX) have IPv6 Null MX — this domain says it doesn't receive mail.	n/a
Nameservers have IPv6 3 of 3 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. ns1.domainoffensive.de ✓ns2.domainoffensive.eu ✓ns3.domainoffensive.net ✓	yes

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

https://xn--klangportrt-u8a.com/ via 2a01:4f8:c17:c19c::1 → 200

works

Nothing keeping you from an A

Nothing to fix
Show it off: add the badge to your README.
[![IPv6](https://aaaa.bot/badge/xn--klangportrt-u8a.com.svg)](https://aaaa.bot/xn--klangportrt-u8a.com)

Check again

xn--klangportrt-u8a.com Has IPv6

A (IPv4)	116.202.9.166 116.202.21.136 116.203.213.72
AAAA (IPv6)	2a01:4f8:c17:c19c::1 2a01:4f8:c2c:abf5::1 2a01:4f8:c010:3f9c::1

www.xn--klangportrt-u8a.com Has IPv6

A (IPv4)	116.202.9.166 116.202.21.136 116.203.213.72
AAAA (IPv6)	2a01:4f8:c17:c19c::1 2a01:4f8:c2c:abf5::1 2a01:4f8:c010:3f9c::1

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--klangportrt-u8a.com
Measured 2026-11-01 20:39:49 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    116.202.9.166, 116.202.21.136, 116.203.213.72
AAAA (IPv6): 2a01:4f8:c17:c19c::1, 2a01:4f8:c2c:abf5::1, 2a01:4f8:c010:3f9c::1
www AAAA:    2a01:4f8:c17:c19c::1, 2a01:4f8:c2c:abf5::1, 2a01:4f8:c010:3f9c::1

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: xn--klangportrt-u8a.com has 3 IPv6 addresses and answers on every one we tested.
    2a01:4f8:c17:c19c::1: answers (TCP 443)
    2a01:4f8:c2c:abf5::1: answers (TCP 443)
    2a01:4f8:c010:3f9c::1: answers (TCP 443)
- www over IPv6: www.xn--klangportrt-u8a.com has 3 IPv6 addresses and answers on every one we tested.
    2a01:4f8:c17:c19c::1: answers (TCP 443)
    2a01:4f8:c2c:abf5::1: answers (TCP 443)
    2a01:4f8:c010:3f9c::1: answers (TCP 443)
- Mail servers (MX) have IPv6: Null MX — this domain says it doesn't receive mail.
- Nameservers have IPv6: 3 of 3 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: HTTP 200.
    https://xn--klangportrt-u8a.com/ via 2a01:4f8:c17:c19c::1 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/XwT3M37usN

Permanent link: aaaa.bot/r/XwT3M37usN · How we measure

Checked 2026-11-01 20:39:49 UTC. Full DNS report: dns.pizza/domain/xn--klangportrt-u8a.com · JSON: /api/v1/xn--klangportrt-u8a.com