To switch between historical and live Whois data click on the icon at the left of the search field.
Deep Whois command line utility supported arguments:
deep-whois [@history|@private|@iana] domain/hostname/url/email/IPv4/IPv6/ASN [@host[:port]] [-h host[:port]] [-p port] [-t timeout]
Direct Whois lookup with custom host and extra options:
deep-whois -h whois.nic.de "-T dn nic.de"
Direct (Seamless) RDAP lookup:
deep-whois google.ch
Historical Whois lookup:
deep-whois @h deepwhois.net
Live Whois lookup via the Privacy Shield:
deep-whois @p deepwhois.net