We pick i.root-servers.net, one of the 13 root servers (1), and ask it about hotmail.de and learn that de is delegated to six name servers (2), so we ask l.de.net where we learn that hotmail.de is delegated to three name servers, including ns1.msft.net (3), so we ask that one and get the following answer:
Hotmail.de is a domain controlled by three domain name servers at msft.net having a total of six IP numbers. Two of them are on the same IP network. Incoming mail for hotmail.de is handled by four mail servers at hotmail.com having a total of twelve IP numbers. There are 36 duplicated IP numbers. All twelve of them are on the same IP network. Hotmail.de has four IP numbers (157.55.43.18, 157.55.43.17, 157.55.43.16, 157.55.43.19). All four of them are on the same IP network.
Hotmail.de is ranked #249860 world wide and is hosted on four servers in United States even though the hostname implies Germany. It has 1516 inlinks. It has 75 organic keywords.
The name server ns1.msft.net
There are several thousand of domains that use the name server ns1.msft.net.
Three quarter of those use the four mail servers mx1, mx2, mx3 and mx4.hotmail.com together, hereafter referred to as "mail server group 1", (example: outlook.co.il, hotmail.nl and hotmail.com.tr ). Worth noting is that more than one in eight of the domains that use mail server group 1 point to IP group 1.
Half of them use the mail server mx1.hotmail.com. Worth noting is that ten percent of the domains that use the mail server mx1.hotmail.com point to the IP number 157.55.43.17.
The four mail servers mx1, mx2, mx3 and mx4.hotmail.com together
One quarter of the more than hundred domains that use mail server group 1 point only to the IP number 65.55.206.154 (example: live.se, live.dk and live.jp ).
The mail server mx1.hotmail.com
There are more than hundred domains that use the mail server mx1.hotmail.com.
Ten percent of them point to the IP number 157.55.43.19. Worth noting is that one quarter of the host names that point to the IP number 157.55.43.19 use the mail server mx1.hotmail.com.