kasserver.com vs NS1

NS1 is used by more websites in our catalog: 668 use kasserver.com and 12,424 use NS1.

kasserver.com sites have the higher median Ahrefs Domain Rating (kasserver.com: 30, NS1: 19).

Between 2026-06 and 2026-07, kasserver.com went from 0.09% to 0.08% of all tracked sites, while NS1 went from 1.4% to 1.4%. NS1 is gaining ground faster in our index.

No. A site runs a single DNS provider, so kasserver.com and NS1 are mutually exclusive.

Adoption is counted from Site Stats Database's own crawl; Domain Rating comes from Ahrefs and traffic from DataForSEO. Figures reflect the sites we track and refresh at least monthly.