Download Free bulk whois client software for domain checking
FoxWhois 2.5.3 free (Windows)
Download 
foxwhois_free_2.5.zip
Previous versions
FoxWhois 2.5.3 free (Linux)
Download foxwhois-free_2.5.3.16-1_amd64.deb
Other freeware mass operations utilities: StringListSets.zip - Strings sets operations
| Features | FREE | WEBMASTER | FULL | |
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| Price | Lifetime licence* | Download free | $95 | $245 |
| Year licence** | $35 | $95 | ||
| Bulk (mass) domain whois lookup |  |
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| Support whois lookup for .com, .ru, .su, .рф domain extensions | |
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| Full Email Customer Support |  |
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| Support socks proxy for faster scanning | |
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| Maximum count of threads for the parser | 10 | 255 | No limit | |
| Whois lookup for gtld, cctld, newTld domains | |
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| Extra site parameters, extracting from other web-sources (read more) | |
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| Automation (Registrar and automation scan) | |
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* The license for the software product whic 2.x is not limited in time
** The license is limited to one year