Reverse DNS Lookup
GDPR Compliant
99.95% API Uptime
ICANN-Accredited Sources
100
Distinct nameservers seen in recent lookups
Nameservers Tracked
7,338,361
Domains behind these tracked nameservers
Domains in Sample
58%
Share held by the single busiest nameserver
Top Nameserver Share
Top Nameservers by Domain Count
Recent Lookups
Recent DNS Lookup
The latest nameservers searched across our WHOIS archive — each maps to historical domain registration records.
Updated daily100 recent nameservers
Developer Access
API & Code Samples
Run DNS reverse lookups programmatically — pick your language and format.
EndpointGET
/dns?nameserver=ns1.example.com# Nameserver lookup → JSON curl -X GET "/dns?nameserver=ns1.example.com" \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Accept: application/json"