Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 youtube-nocookie.com has 4 IPv6 addresses and answers on every one we tested. ✓ 2607:f8b0:4004:c08::88 answers · 443✓ 2607:f8b0:4004:c08::5d answers · 443✓ 2607:f8b0:4004:c08::be answers · 443✓ 2607:f8b0:4004:c08::5b answers · 443 | yes |
| www over IPv6 www.youtube-nocookie.com has 4 IPv6 addresses and answers on every one we tested. ✓ 2607:f8b0:4004:c1f::be answers · 443✓ 2607:f8b0:4004:c1f::5b answers · 443✓ 2607:f8b0:4004:c21::5d answers · 443✓ 2607:f8b0:4004:c1f::5d answers · 443 | yes |
| Mail servers (MX) have IPv6 Every mail server has an AAAA record. smtp.google.com ✓ | yes |
| Nameservers have IPv6 4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. ns3.google.com ✓ns2.google.com ✓ns4.google.com ✓ns1.google.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet The certificate served over IPv6 at 2607:f8b0:4004:c08::88 isn't valid for youtube-nocookie.com: ERR_TLS_CERT_ALTNAME_INVALID. https://youtube-nocookie.com/ via 2607:f8b0:4004:c08::88 · ERR_TLS_CERT_ALTNAME_INVALID | problem |
youtube-nocookie.com Has IPv6
| A (IPv4) | 192.178.155.136 192.178.155.93 192.178.155.91 192.178.155.190 |
|---|---|
| AAAA (IPv6) | 2607:f8b0:4004:c08::88 2607:f8b0:4004:c08::5d 2607:f8b0:4004:c08::be 2607:f8b0:4004:c08::5b |
www.youtube-nocookie.com Has IPv6
| Alias of | youtube-ui.l.google.com |
|---|---|
| A (IPv4) | 172.253.62.190 172.253.62.136 172.253.62.91 172.253.62.93 172.253.115.93 172.253.115.136 172.253.115.190 172.253.115.91 172.253.122.190 172.253.122.93 172.253.122.91 172.253.122.136 64.233.180.93 64.233.180.190 64.233.180.91 172.253.139.136 |
| AAAA (IPv6) | 2607:f8b0:4004:c1f::be 2607:f8b0:4004:c1f::5b 2607:f8b0:4004:c21::5d 2607:f8b0:4004:c1f::5d |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/jNrx2h4-LH · How we measure
Checked 2026-10-30 18:04:31 UTC — one of the top 1,000 sites, re-checked weekly. Re-check now. Full DNS report: dns.pizza/domain/youtube-nocookie.com · JSON: /api/v1/youtube-nocookie.com