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What is VERISIGN® DomainScore™ ?

VERISIGN® DomainScoreTM is a free tool designed to aide and complement your pre-registration evaluation methodologies. Utilizing the techniques described here, Verisign computes NXD scores on a 1-10 scale (10 being best), to measure the reliability and quantity of DNS traffic for a given domain.

What is NXD Traffic?

Second level Non-existent domain (NXD) traffic includes traffic to the top-level Domain Name Servers where either the second-level domain name being queried does not exist or the domain name does exist but does not properly have its DNS settings configured. The NXD traffic includes traffic from humans (e.g. type in traffic, clicking on a bookmark to a site that no longer exists, etc). But, every TLD's NXD traffic also includes machine traffic such as bots and search crawlers.

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