SmartWhois uses five main servers for IP queries and more than
60 regional whois servers to obtain domain registration records.
Note that there are many countries that don't have whois databases,
and information for such national domains cannot be obtained.
SmartWhois currently covers the following domain zones:
AC, AE, AERO, AF, AM, AR, ASIA, AT, AU, BE, BG, BIZ, BR, BT, BZ,
CA, CAT, CC, CD, CH, CL, CN, COM, COOP, CX, CZ, DE, DK, EDU, ES,
EU, FI, FM, FR, GD, GI, GOV, GY, HK, HN, HU, IE, IL, IN, INFO, INT,
IR, IS, IT, JOBS, JP, KI, KR, KY, KZ, LA, LI, LT, LU, LV, LY, ME,
MOBI, MS, MUSEUM, MX, MY, NAME, NET, NL, NL, NO, NU, NZ, ORG, PL,
PRO, PT, PW, RE, RO, RU, SC, SE, SG, SI, SK, SU, TC, TF, TH, TK,
TM, TR, TRAVEL, TV, TW, UA, UK, US, VC, VG, WF, WS, YT.
SmartWhois also fully supports Internationalized Domain Names
(IDN) that use non-ASCII characters, for example שלום.com, погода.com,