This article lists the necessary IP addresses, URLs, and ports for CyberFOX DNS Filtering to operate correctly. The following endpoints must be reachable to use the CyberFOX DNS Filtering services.
- Ports 80 and 443 are used for HTTP and HTTPS traffic, as well as DNS over HTTPS traffic.
- Ports 53 and 853 are for DNS and DNS over TLS traffic.
Site or service | IP Addresses | Ports |
Management Portal | app.cyberfox.com | 443 TCP |
DNS Service | *.dns.cyberfox.com | 80,443,853 TCP |
DNS Forwarding Servers |
166.117.83.181 166.117.241.23 |
53 UDP |
DNS Anycast IPs |
166.117.75.142 166.117.157.16 |
53 UDP |
DOH Anycast IPs |
v4 166.117.51.148 166.117.130.22 v6 |
53 UDP 80,443,853 TCP |
Registration / Update service | msapidns.cyberfox.com | 80,443 TCP |
Roaming Client Loopback Listener | 127.0.0.1 | 53 UDP |