I wouldn't take the risk of checking a domain name with any domain registrars, use ICANN WHOIS. I even made a simple automated domain/website checker that helpe

I wouldn't take the risk of checking a domain name with any domain registrars, use ICANN WHOIS. I even made a simple automated domain/website checker that helped me find a great 3 letter .co domain, registered it with GoDaddy then transfered to Namecheap for the cheap/free SSL cert and better practices.