How can I obtain information about domain names?

By using WHOIS You can obtain information about Internet domain names administered by ICANN. There are 2 interfaces to access WHOIS query:

1- Web interface http://101nettools.com/tools/, You can find details, about what data WHOIS service provides in three format [Parsed in Table, JSON, RAW data].

2- Using REST API interface http://101nettools.com/v1/whois/ (Authentication token required). 101NetTools API provides 3 data formats (json, xml, yaml).