Detecting Anomalous Conditions in a Name Server Network

A method comprising:

• monitoring an operational status of at least some of a plurality of name servers in a name server network;
• and
• based on said monitoring, when an error or anomalous condition is detected at a particular name server, creating a policy to indicate the status of the particular name server,
• wherein the policy is taken into account when resolving hostnames using the name server network, wherein the error or anomalous condition at the particular name server is based one or more events that occurred in the name server during operation, and wherein the error or anomalous condition at the particular name server means that the particular name server is not available, and wherein the policy indicates that the particular name server is unavailable.