go
ck.stw-bonn.de has one IP number , which also has a corresponding reverse pointer. stw-bonn.de is a domain controlled by four nameservers. All of them are on the same IP network. Incoming mail for stw-bonn.de is handled by one mailserver having a total of two IP numbers. They are on the same IP network. ck.stw-bonn.de is hosted on a server in Germany.

ck.stw-bonn.de
a records
 
+ 212.201.69.140 212.201.0.0/16 AS680 -
+ --- -

stw-bonn.de
ns-soa records
dns-a.stw-bonn.de
+ 131.220.99.33 131.220.0.0/16 AS680 -
+ --- -
ns records
nic.rhrz.uni-bonn.de
+ 131.220.16.220 131.220.0.0/16 AS680 -
+ --- -
node03-en2.rhrz.uni-bonn.de
+ 131.220.14.203 131.220.0.0/16 AS680 -
node08.rhrz.uni-bonn.de
+ 131.220.18.138 131.220.0.0/16 AS680 -
dns-a.stw-bonn.de
+ 131.220.99.33 131.220.0.0/16 AS680 -
mx records
mail.stw-bonn.de
+ 212.201.68.10 212.201.0.0/16 AS680 mail-a.stw-bonn.de
+ --- mail-a.stw-bonn.de
+ 212.201.68.11 212.201.0.0/16 AS680 mail-b.stw-bonn.de
+ --- mail-b.stw-bonn.de
ip numbers of host
212.201.69.140
ptrs of ip numbers
ck.stw-bonn.de
ip numbers using ptr to this host
212.201.69.140