Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 fastly.net has an AAAA record and answers on it. | yes |
| www over IPv6 www.fastly.net has an AAAA record and answers on it. | yes |
| Mail servers (MX) have IPv6 Every mail server has an AAAA record. aspmx.l.google.com ✓alt1.aspmx.l.google.com ✓ | yes |
| Nameservers have IPv6 4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. ns1.fastly.net ✓ns2.fastly.net ✓ns3.fastly.net ✓ns4.fastly.net ✓ | yes |
fastly.net Has IPv6
| A (IPv4) | 151.101.1.6 151.101.65.6 151.101.129.6 151.101.193.6 |
|---|---|
| AAAA (IPv6) | 2a04:4e42::262 2a04:4e42:200::262 2a04:4e42:400::262 2a04:4e42:600::262 |
www.fastly.net Has IPv6
| Alias of | fastly.net |
|---|---|
| A (IPv4) | 151.101.65.6 151.101.129.6 151.101.193.6 151.101.1.6 |
| AAAA (IPv6) | 2a04:4e42::262 2a04:4e42:200::262 2a04:4e42:400::262 2a04:4e42:600::262 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Checked 2026-10-30 14:52:00 UTC — one of the top 1,000 sites, re-checked weekly. Re-check now. Full DNS report: dns.pizza/domain/fastly.net · JSON: /api/v1/fastly.net