Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 harbadoservices.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::6815:4e9f answers · 443✓ 2606:4700:3030::ac43:dfbd answers · 443 | yes |
| www over IPv6 www.harbadoservices.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::ac43:dfbd answers · 443✓ 2606:4700:3037::6815:4e9f answers · 443 | yes |
| Mail servers (MX) have IPv6 Every mail server has an AAAA record. route2.mx.cloudflare.net ✓route3.mx.cloudflare.net ✓route1.mx.cloudflare.net ✓ | yes |
| Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. emely.ns.cloudflare.com ✓seth.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 200. https://harbadoservices.com/ via 2606:4700:3037::6815:4e9f → 200 | works |
harbadoservices.com Has IPv6
| A (IPv4) | 104.21.78.159 172.67.223.189 |
|---|---|
| AAAA (IPv6) | 2606:4700:3037::6815:4e9f 2606:4700:3030::ac43:dfbd |
www.harbadoservices.com Has IPv6
| A (IPv4) | 172.67.223.189 104.21.78.159 |
|---|---|
| AAAA (IPv6) | 2606:4700:3030::ac43:dfbd 2606:4700:3037::6815:4e9f |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/B5YJq5TOOp · How we measure
Checked 2026-11-08 04:59:04 UTC. Full DNS report: dns.pizza/domain/harbadoservices.com · Age, certificate and blocklists: how.is/harbadoservices.com · JSON: /api/v1/harbadoservices.com