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DNSlytics vs Robtex: catalog facts
DNSlytics	Robtex
Freemium Free tools on the website; premium website access, monitoring and the API are paid monthly…	Free Lookups are free on the website.
Web	Web
Reverse IP, name server and mail server lookups in one place More than ten years of historical DNS data	Many lookup types from one search page Covers AS numbers and AS macros as well as domains and IPs
Page views and features are limited without a premium plan IP and DNS data is refreshed every 14 days rather than live	Web service only Research shows lookups rather than any monitoring or alerting
Web application, Hosted service	Web application
Closed source	Closed source
License not stated	License not stated
No account needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.