1. A computer-implemented method for verifying domain name ownership, the method comprising: receiving an indication that an entity controls content associated with a domain name; instructing, using at least one processor, the entity to modify a data record associated with the domain name in a defined manner by including a unique identifier in the data record; receiving a request for content associated with the domain name after instructing the entity to modify the data record associated with the domain name; verifying, using at least one processor, that the entity controls the content associated with the domain name by confirming that the data record associated with the domain name has been modified in the defined manner; and providing the content in response to the request for content upon verifying that the entity controls the content associated with the domain name.