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DNSLookupView vs DNSMonitor: catalog facts
DNSLookupView	DNSMonitor
Free Freeware from NirSoft that may be redistributed free of charge.	Free Free and open source under the GPL-3.0 licence.
Windows	macOS, Command line
Shows which process requested each DNS lookup Include and exclude filters for domains	Shows DNS lookups made by software on the Mac Built on Apple's Network Extension framework
Works only on Windows 8.1, 10 and 11 Only sees queries handled by the Windows DNS Client service	Command-line only, with no graphical interface macOS only
Downloadable app	Downloadable app
Closed source	Open source
License: Freeware	License: GPL-3.0
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 2, 2026

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