DNS delegation of citysearch.com updated: May 26, 2013 2:08:21 AM
Delegation
step
query
auth
servers
1
citysearch.com.
.
(h,c,j,i,k,g,b,e,d,a,m,f,l).root-servers.net.
2
citysearch.com.
com.
(j,m,g,a,b,c,k,i,f,e,h,d,l).gtld-servers.net.
3
citysearch.com.
citysearch.com.
(ns2,ns3,ns1).citygrid.com.
We pick h.root-servers.net, one of the 13 root servers (1), and ask it about citysearch.com and learn that com is delegated to 13 name servers (2), so we ask j.gtld-servers.net where we learn that citysearch.com is delegated to three name servers, including ns2.citygrid.com (3), so we ask that one and get the following answer:
The three name servers ns1, ns2 and ns3.citygrid.com together
There are about thirty domains that use name server group 1.
Three quarter of those point to the two IP numbers 208.85.8.39 and 209.104.35.228 together, hereafter referred to as "IP group 1", (example: sacramentocitysearch.com and citysearchnashville.com ). Worth noting is that all of the host names that point to IP group 1 use name server group 1.
Three of them point to the IP number 208.85.8.39 only (but not 209.104.35.228 ). Worth noting is that three of the host names that point to the IP number 208.85.8.39 only (but not 209.104.35.228 ) use name server group 1.
The IP number 208.85.8.39
There are about fourty host names that point to the IP number 208.85.8.39.
Three quarter of those use the name server ns3.citygrid.com. Worth noting is that most of the domains that use the name server ns3.citygrid.com point to the IP number 208.85.8.39.
Three quarter of them use the name server ns2.citygrid.com. Worth noting is that most of the domains that use the name server ns2.citygrid.com point to the IP number 208.85.8.39.
Three quarter of them use the name server ns1.citygrid.com. Worth noting is that most of the domains that use the name server ns1.citygrid.com point to the IP number 208.85.8.39.
The two mail servers mxa-0015af01 and mxb-0015af01.gslb.pphosted.com together
There are about seventy domains that use mail server group 1.