Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 labspro.info has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3031::6815:2c11 answers · 443✓ 2606:4700:3033::ac43:c0d0 answers · 443 | yes |
| www over IPv6 www.labspro.info has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::ac43:c0d0 answers · 443✓ 2606:4700:3031::6815:2c11 answers · 443 | yes |
| Mail servers (MX) have IPv6 Every mail server has an AAAA record. smtp.google.com ✓ | yes |
| Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. addilyn.ns.cloudflare.com ✓melnicoff.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate after 2 redirects: HTTP 200. https://labspro.info/ via 2606:4700:3031::6815:2c11 → 301https://google.com/ via 2607:f8b0:4004:c08::65 → 301https://www.google.com/ via 2001:4860:482b:7700:: → 200 | works |
labspro.info Has IPv6
| A (IPv4) | 172.67.192.208 104.21.44.17 |
|---|---|
| AAAA (IPv6) | 2606:4700:3031::6815:2c11 2606:4700:3033::ac43:c0d0 |
www.labspro.info Has IPv6
| A (IPv4) | 172.67.192.208 104.21.44.17 |
|---|---|
| AAAA (IPv6) | 2606:4700:3033::ac43:c0d0 2606:4700:3031::6815:2c11 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/qzl9AO7-1h · How we measure
Checked 2026-11-08 10:26:07 UTC. Full DNS report: dns.pizza/domain/labspro.info · Age, certificate and blocklists: how.is/labspro.info · JSON: /api/v1/labspro.info