Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 orb-tw.xyz has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::6815:69f answers · 443✓ 2606:4700:3030::ac43:8702 answers · 443 | yes |
| www over IPv6 www.orb-tw.xyz has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::ac43:8702 answers · 443✓ 2606:4700:3035::6815:69f 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. irena.ns.cloudflare.com ✓owen.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 200. https://orb-tw.xyz/ via 2606:4700:3035::6815:69f → 200 | works |
orb-tw.xyz Has IPv6
| A (IPv4) | 104.21.6.159 172.67.135.2 |
|---|---|
| AAAA (IPv6) | 2606:4700:3035::6815:69f 2606:4700:3030::ac43:8702 |
www.orb-tw.xyz Has IPv6
| A (IPv4) | 172.67.135.2 104.21.6.159 |
|---|---|
| AAAA (IPv6) | 2606:4700:3030::ac43:8702 2606:4700:3035::6815:69f |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/AphPYwUKhR · How we measure
Checked 2026-11-08 14:21:20 UTC. Full DNS report: dns.pizza/domain/orb-tw.xyz · Age, certificate and blocklists: how.is/orb-tw.xyz · JSON: /api/v1/orb-tw.xyz