Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 winner-lb.sbs has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::ac43:938b answers · 443✓ 2606:4700:3034::6815:b0e answers · 443 | yes |
| www over IPv6 www.winner-lb.sbs has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::ac43:938b answers · 443✓ 2606:4700:3034::6815:b0e 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. fred.ns.cloudflare.com ✓reza.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Answered over IPv6 with a server error (HTTP 523) — can't tell whether that's specific to IPv6. https://winner-lb.sbs/ via 2606:4700:3036::ac43:938b → 523 | ? |
winner-lb.sbs Has IPv6
| A (IPv4) | 104.21.11.14 172.67.147.139 |
|---|---|
| AAAA (IPv6) | 2606:4700:3036::ac43:938b 2606:4700:3034::6815:b0e |
www.winner-lb.sbs Has IPv6
| A (IPv4) | 104.21.11.14 172.67.147.139 |
|---|---|
| AAAA (IPv6) | 2606:4700:3036::ac43:938b 2606:4700:3034::6815:b0e |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/qZUdtPHyHP · How we measure
Checked 2026-11-10 20:57:50 UTC. Full DNS report: dns.pizza/domain/winner-lb.sbs · Age, certificate and blocklists: how.is/winner-lb.sbs · JSON: /api/v1/winner-lb.sbs