We pick b.root-servers.net, one of the 13 root servers (1), and ask it about e.tychy.pl and learn that pl is delegated to eight name servers (2), so we ask g-dns.pl where we learn that e.tychy.pl is delegated to two name servers, including dns1.media-com.com.pl (3), so we ask that one and get the following answer:
Two of them point only to the IP number 83.142.120.97.
The three name servers dns1, dns2 and dns3.media-com.com.pl together
All of the three domains that use name server group 2 use only the mail server mail.tsi.tychy.pl. Worth noting is that three of the domains that only use the mail server mail.tsi.tychy.pl use name server group 2.
The mail server mail.tsi.tychy.pl only
There are six domains that only use the mail server mail.tsi.tychy.pl.
Three of those use name server group 2. Worth noting is that all of the domains that use name server group 2 use only the mail server mail.tsi.tychy.pl.
Two of them use name server group 1. Worth noting is that two of the domains that use name server group 1 use only the mail server mail.tsi.tychy.pl.
Two of them point only to the IP number 83.142.120.97. Worth noting is that two of the host names that point only to the IP number 83.142.120.97 use only the mail server mail.tsi.tychy.pl.
The IP number 83.142.120.97 only
Two of the eight host names that point only to the IP number 83.142.120.97 use only the mail server mail.tsi.tychy.pl. Worth noting is that two of the domains that only use the mail server mail.tsi.tychy.pl point only to the IP number 83.142.120.97.
The two name servers dns1 and dns2.media-com.com.pl together
Two of the seven domains that use name server group 1 use only the mail server mail.tsi.tychy.pl. Worth noting is that two of the domains that only use the mail server mail.tsi.tychy.pl use name server group 1.
