Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 dfkings.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::ac43:c2f1 answers · 443✓ 2606:4700:3034::6815:5a2c answers · 443 | yes |
| Mail servers (MX) have IPv6 Every mail server has an AAAA record. route2.mx.cloudflare.net ✓route1.mx.cloudflare.net ✓route3.mx.cloudflare.net ✓ | yes |
| Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. malavika.ns.cloudflare.com ✓santino.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 403. https://dfkings.com/ via 2606:4700:3034::ac43:c2f1 → 403 | works |
dfkings.com Has IPv6
| A (IPv4) | 104.21.90.44 172.67.194.241 |
|---|---|
| AAAA (IPv6) | 2606:4700:3034::ac43:c2f1 2606:4700:3034::6815:5a2c |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/o3YnzA6aYI · How we measure
Checked 2026-11-14 12:37:39 UTC. Full DNS report: dns.pizza/domain/dfkings.com · Age, certificate and blocklists: how.is/dfkings.com · JSON: /api/v1/dfkings.com