Yes — tktfdesign.com 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
tktfdesign.com has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3031::6815:59e6 answers · 443✓ 2606:4700:3034::ac43:a5bf answers · 443
yes
www over IPv6
www.tktfdesign.com has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3031::6815:59e6 answers · 443✓ 2606:4700:3034::ac43:a5bf 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
2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
milan.ns.cloudflare.com ✓millie.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.
https://tktfdesign.com/ via 2606:4700:3031::6815:59e6 → 200
works
 Load tktfdesign.com over IPv6 from up to six other places — a second opinion.

What's keeping tktfdesign.com 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

tktfdesign.com  Has IPv6

A (IPv4)172.67.165.191
104.21.89.230
AAAA (IPv6)2606:4700:3031::6815:59e6
2606:4700:3034::ac43:a5bf

www.tktfdesign.com  Has IPv6

A (IPv4)172.67.165.191
104.21.89.230
AAAA (IPv6)2606:4700:3031::6815:59e6
2606:4700:3034::ac43:a5bf

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/ljtcoScb-9 · How we measure

Checked 2026-11-03 09:17:14 UTC. Full DNS report: dns.pizza/domain/tktfdesign.com · Age, certificate and blocklists: how.is/tktfdesign.com · JSON: /api/v1/tktfdesign.com