1. A method comprising: obtaining, by a service provider, a first domain name service (DNS) query for content from a network component; transmitting, by the service provider, an alternative identifier responsive to the first DNS query from the network component, the alternative identifier to cause the network component to transmit a second DNS query to a component associated with the service provider; obtaining, by the service provider, the second DNS query for content from the network component responsive to the alternative identifier provided by the service provider; and determining, by the service provider, performance measurement information corresponding to obtaining the first and second DNS queries.