Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 realrp.org has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3031::6815:1b27 answers · 443✓ 2606:4700:3037::ac43:a8e1 answers · 443 | yes |
| www over IPv6 www.realrp.org has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::ac43:a8e1 answers · 443✓ 2606:4700:3031::6815:1b27 answers · 443 | yes |
| Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. mx1.mail.ovh.net ✗mx3.mail.ovh.net ✗mx2.mail.ovh.net ✗ | no |
| Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. mcgrory.ns.cloudflare.com ✓wren.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 403. https://realrp.org/ via 2606:4700:3031::6815:1b27 → 403 | works |
realrp.org Has IPv6
| A (IPv4) | 104.21.27.39 172.67.168.225 |
|---|---|
| AAAA (IPv6) | 2606:4700:3031::6815:1b27 2606:4700:3037::ac43:a8e1 |
www.realrp.org Has IPv6
| A (IPv4) | 172.67.168.225 104.21.27.39 |
|---|---|
| AAAA (IPv6) | 2606:4700:3037::ac43:a8e1 2606:4700:3031::6815:1b27 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/pV2E3AoWae · How we measure
Checked 2026-11-06 09:07:22 UTC. Full DNS report: dns.pizza/domain/realrp.org · Age, certificate and blocklists: how.is/realrp.org · JSON: /api/v1/realrp.org