Level3 DNS - Secondary (4.2.2.2)
- Charts
- DNS
- DNS Probes
- Cloudflare - Primary
- Cloudflare - Secondary
- Google - Primary
- Google - Secondary
- OpenDNS - Primary
- OpenDNS - Secondary
- Quad9 - Primary
- Quad9 - Secondary
- NextDNS - Primary
- NextDNS - Secondary
- AdGuard - Primary
- AdGuard - Secondary
- Level3 - Primary
- Level3 - Secondary
- CleanBrowsing - Primary
- CleanBrowsing - Secondary
- Control D - Primary
- Control D - Secondary
- Mullvad
- Cloudflare - Primary (IPv6)
- Cloudflare - Secondary (IPv6)
- Google - Primary (IPv6)
- Google - Secondary (IPv6)
- OpenDNS - Primary (IPv6)
- OpenDNS - Secondary (IPv6)
- Quad9 - Primary (IPv6)
- Quad9 - Secondary (IPv6)
- AdGuard - Primary (IPv6)
- AdGuard - Secondary (IPv6)
- CleanBrowsing - Primary (IPv6)
- CleanBrowsing - Secondary (IPv6)
- Control D - Primary (IPv6)
- Control D - Secondary (IPv6)
- Mullvad (IPv6)
- Alibaba Cloud
- Amazon AWS
- Hetzner
- Linode
- Oracle Cloud
- OVH Cloud
- Vultr
- Local Network / Misc
