Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 winnerbig.sbs has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::ac43:80a1 answers · 443✓ 2606:4700:3034::6815:139 answers · 443 | yes |
| www over IPv6 www.winnerbig.sbs has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::6815:139 answers · 443✓ 2606:4700:3036::ac43:80a1 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. melany.ns.cloudflare.com ✓santino.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://winnerbig.sbs/ via 2606:4700:3036::ac43:80a1 → 523 | ? |
winnerbig.sbs Has IPv6
| A (IPv4) | 104.21.1.57 172.67.128.161 |
|---|---|
| AAAA (IPv6) | 2606:4700:3036::ac43:80a1 2606:4700:3034::6815:139 |
www.winnerbig.sbs Has IPv6
| A (IPv4) | 172.67.128.161 104.21.1.57 |
|---|---|
| AAAA (IPv6) | 2606:4700:3034::6815:139 2606:4700:3036::ac43:80a1 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/xEFJZFQUmP · How we measure
Checked 2026-11-09 00:01:05 UTC. Full DNS report: dns.pizza/domain/winnerbig.sbs · Age, certificate and blocklists: how.is/winnerbig.sbs · JSON: /api/v1/winnerbig.sbs