Zerigo is a non-Anycast DNS provider with 6 network locations around the world. Its DNS platform can also be accessed using a REST API. Its network is spread over North America, Europe and Asia. Zerigo promises updates to DNS propagation in a matter of seconds. It also allows for very low TTL values.
If you use Zerigo’s DNS service, please add a review at the bottom of this page.
The following chart shows how the DNS speed of Zerigo’s name servers has changed over the past six months: