Whoisology [1] is good for this, though they've been more aggressively pushing their paid options as of late. Also WhoisMind [2], to some extent.
[1] https://whoisology.com/
[2] http://www.whoismind.com/
site:whois.domaintools.com "Y Combinator"
Whoisology [1] is good for this, though they've been more aggressively pushing their paid options as of late. Also WhoisMind [2], to some extent.
[1] https://whoisology.com/
[2] http://www.whoismind.com/