Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 opticlean-services.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::ac43:a123 answers · 443✓ 2606:4700:3030::6815:9af answers · 443 | yes |
| www over IPv6 www.opticlean-services.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::ac43:a123 answers · 443✓ 2606:4700:3030::6815:9af answers · 443 | yes |
| Mail servers (MX) have IPv6 Every mail server has an AAAA record. aspmx.l.google.com ✓alt3.aspmx.l.google.com ✓alt4.aspmx.l.google.com ✓alt1.aspmx.l.google.com ✓alt2.aspmx.l.google.com ✓ | yes |
| Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. dina.ns.cloudflare.com ✓yahir.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Redirects to opticlean.tech, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all. https://opticlean-services.com/ via 2606:4700:3037::ac43:a123 → 301https://opticlean.tech/ · redirects to opticlean.tech, which has no IPv6 address | problem |
opticlean-services.com Has IPv6
| A (IPv4) | 172.67.161.35 104.21.9.175 |
|---|---|
| AAAA (IPv6) | 2606:4700:3037::ac43:a123 2606:4700:3030::6815:9af |
www.opticlean-services.com Has IPv6
| A (IPv4) | 172.67.161.35 104.21.9.175 |
|---|---|
| AAAA (IPv6) | 2606:4700:3037::ac43:a123 2606:4700:3030::6815:9af |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/nrsvDgMzYA · How we measure
Checked 2026-11-03 20:45:14 UTC. Full DNS report: dns.pizza/domain/opticlean-services.com · Age, certificate and blocklists: how.is/opticlean-services.com · JSON: /api/v1/opticlean-services.com