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DNSDataView vs Digger: catalog facts
DNSDataView	Digger
Free Freeware from NirSoft, free to use and distribute unmodified.	Free Free and open source under the GPL-3.0-or-later licence.
Windows	Linux
Bulk lookups for many domains at once Choice of DNS server and reverse PTR lookups	Graphical front end for DNS lookups Multiple record types and DNS tools
Supports Windows XP to Windows 11 only	Linux and GNOME focused Requires a network connection
Downloadable app	Downloadable app
Closed source	Open source
License: Freeware	License: GPL-3.0-or-later
No account needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 1, 2026

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