Passive DNS Database Lookup - for workplace.zalan.do.

Enter host name or IP address:	4 result(s) for workplace.zalan.do
name	query type	result	first seen	last seen
workplace.zalan.do.	NS	ns-1455.awsdns-53.org.	2015-10-15 10:58:22	2016-07-03 16:15:40
workplace.zalan.do.	NS	ns-1551.awsdns-01.co.uk.	2015-10-15 10:58:22	2016-07-03 16:15:40
workplace.zalan.do.	NS	ns-350.awsdns-43.com.	2015-10-15 10:58:22	2016-07-03 16:15:40
workplace.zalan.do.	NS	ns-716.awsdns-25.net.	2015-10-15 10:58:22	2016-07-03 16:15:40

This TLD has no whois server, but you can access the whois database at
http://www.nic.do/whois-h.php3