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DNSQuerySniffer vs DNSLookupView: catalog facts
DNSQuerySniffer	DNSLookupView
Free Freeware from NirSoft; it may not be sold or bundled with commercial products.	Free Freeware from NirSoft that may be redistributed free of charge.
Windows	Windows
Shows every DNS query with response records and timing Highlights failed and unanswered lookups	Shows which process requested each DNS lookup Include and exclude filters for domains
Raw Sockets capture may not work on some systems without WinPcap or Network Monitor driver Timing is more accurate only with a capture driver installed	Works only on Windows 8.1, 10 and 11 Only sees queries handled by the Windows DNS Client service
Downloadable app	Downloadable app
Closed source	Closed source
License: Freeware	License: Freeware
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 8, 2026

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