Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 krizma.biz has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::ac43:8b57 answers · 443✓ 2606:4700:3033::6815:3ed4 answers · 443 | yes |
| www over IPv6 www.krizma.biz has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::ac43:8b57 answers · 443✓ 2606:4700:3033::6815:3ed4 answers · 443 | yes |
| Mail servers (MX) have IPv6 No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record. | yes |
| Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. eloise.ns.cloudflare.com ✓lex.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Answered over IPv6 with a server error (HTTP 530) — can't tell whether that's specific to IPv6. https://krizma.biz/ via 2606:4700:3033::ac43:8b57 → 530 | ? |
krizma.biz Has IPv6
| A (IPv4) | 172.67.139.87 104.21.62.212 |
|---|---|
| AAAA (IPv6) | 2606:4700:3033::ac43:8b57 2606:4700:3033::6815:3ed4 |
www.krizma.biz Has IPv6
| A (IPv4) | 104.21.62.212 172.67.139.87 |
|---|---|
| AAAA (IPv6) | 2606:4700:3033::ac43:8b57 2606:4700:3033::6815:3ed4 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/NPXDLFQW3K · How we measure
Checked 2026-11-11 06:22:55 UTC. Full DNS report: dns.pizza/domain/krizma.biz · Age, certificate and blocklists: how.is/krizma.biz · JSON: /api/v1/krizma.biz