Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 the-romanrybchuk.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::ac43:a44b answers · 443✓ 2606:4700:3034::6815:51cc answers · 443 | yes |
| www over IPv6 www.the-romanrybchuk.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::ac43:a44b answers · 443✓ 2606:4700:3034::6815:51cc 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. aurora.ns.cloudflare.com ✓major.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 200. https://the-romanrybchuk.com/ via 2606:4700:3035::ac43:a44b → 200 | works |
the-romanrybchuk.com Has IPv6
| A (IPv4) | 104.21.81.204 172.67.164.75 |
|---|---|
| AAAA (IPv6) | 2606:4700:3035::ac43:a44b 2606:4700:3034::6815:51cc |
www.the-romanrybchuk.com Has IPv6
| A (IPv4) | 172.67.164.75 104.21.81.204 |
|---|---|
| AAAA (IPv6) | 2606:4700:3035::ac43:a44b 2606:4700:3034::6815:51cc |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/C_jT-OdgtZ · How we measure
Checked 2026-11-09 01:34:56 UTC. Full DNS report: dns.pizza/domain/the-romanrybchuk.com · Age, certificate and blocklists: how.is/the-romanrybchuk.com · JSON: /api/v1/the-romanrybchuk.com