Network Site Troubleshooting
-
"The IP Address already exists in another Site" error message
This error message occurs when an IP Address is already in use somewhere else in the DNSFilter system, whether that be in another one of your own managed Sites or in another DNSFilter account. Dy... -
Site not activating or showing offline
Follow this article to troubleshoot issues with DNSFilter Network Sites not activating or not receiving traffic (showing offline). Background If a Site is not activating or stops receiving DNS tra... -
Transparent proxying
A transparent DNS proxy is the practice of intercepting DNS requests destined for a specific recursive DNS server (like DNSFilter) and sending the DNS requests to an entirely different DNS server. ... -
Connection failure error page
If you're seeing a connection error page while browsing, this means DNSFilter cannot resolve the requested domain. This is not the same as policy Block Pages—which contain a blocked domain, the po... -
Slow DNS response time due to high latency
DNSFilter servers are very performant. We have 202 Anycast DNS servers located in 89 data centers worldwide, and excellent relationships with upstream providers who have a commitment to open peerin... -
Find excessive DNS queries' source
Use this article to identify the source device of excessive DNS query traffic and take action to stop the unintended queries. This steps is important for security, quality control, and billing accu... -
Windows DNS Server Event ID 5504
When DNSFilter forwarders are configured on a Windows AD/DNS server, Event ID 5504 may be generated. This event is expected behavior and does not indicate a problem. Event ID 5504 occurs when a DNS...