Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 ficsit.tools has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::ac43:cfe9 answers · 443✓ 2606:4700:3032::6815:5b10 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. andronicus.ns.cloudflare.com ✓elisa.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 403. https://ficsit.tools/ via 2606:4700:3037::ac43:cfe9 → 403 | works |
ficsit.tools Has IPv6
| A (IPv4) | 104.21.91.16 172.67.207.233 |
|---|---|
| AAAA (IPv6) | 2606:4700:3037::ac43:cfe9 2606:4700:3032::6815:5b10 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/W4zT4ja-sk · How we measure
Checked 2026-11-10 23:36:23 UTC. Full DNS report: dns.pizza/domain/ficsit.tools · Age, certificate and blocklists: how.is/ficsit.tools · JSON: /api/v1/ficsit.tools