WordPress Domain Search plugin by creates a widget called “WordPress Domain Search”, which enables users to check domain name availability across a wide variety of the most popular domain extensions.
The domain search plugin can check domain name availability for the following domain extensions (a.k.a. “tld’s” or “top level domains”):
.COM, .CO, .INFO, .NET, .COM.BR, .NET.BR, .ME, .FR, .ORG, .BIZ, .COM.CO, .NET.CO, .NOM.CO, .IT, .MOBI, .MX, .COM.ES, .WS, .US, .NOM.ES, .ES, .ORG.ES, .CA, .NL, .ASIA, .IN, .COM.MX, .AM, .AT, .BE, .BZ, .COM.BZ, .CC, .NET.BZ, .DE, .EU, .FM, .GS, .CO.IN, .FIRM.IN, .GEN.IN, .IND.IN, .NET.IN, .ORG.IN, .JOBS, .JP, .MS, .NU, .CO.NZ, .NET.NZ, .ORG.NZ, .TC, .TK, .TV, .TW, .COM.TW, .ORG.TW, .IDV.TW, .CO.UK, .ME.UK, .ORG.UK, .VG
The title, submit button text, and search bar width can all be customized after the plugin and widget are activated.
Download and info: http://wordpress.org/extend/plugins/wordpress-domain-search/
