messenger.hotmail.com resolves to 207.46.104.20

Mail for messenger.hotmail.com is handled by mail.hotmail.com (10) 65.54.254.129 65.54.252.99 65.54.166.99 65.54.254.145 65.54.252.230

whois -h magic messenger.hotmail.com
Crsnic.net hasn't heard of hotmail.com

Whois Server Version 1.3

Domain names in the .com and .net domains can now be registered
with many different competing registrars. Go to http://www.internic.net
for detailed information.

HOTMAIL.COM.IS.N0T.AS.1337.AS.GULLI.COM
HOTMAIL.COM

Tracing route to messenger.hotmail.com [207.46.104.20]
over a maximum of 30 hops:

12 31 ms 47 ms 47 ms pos0-0.core1.sea1.us.msn.net [207.46.33.13]
13 * * * Request timed out.
14 * * * Request timed out.
15 * * * Request timed out.
16 * * * Request timed out.
17 * * * Request timed out.
18 * * * Request timed out.