go
mastodon.enameservers.net has one IP number , which also has a corresponding reverse pointer. enameservers.net is a domain controlled by two nameservers at enameservers.net themselves. They are on different IP networks. Incoming mail for enameservers.net is handled by one mailserver at net. mastodon.enameservers.net is hosted on a server in United States.

mastodon.enameservers.net
a records
 
+ 209.59.143.114 209.59.128.0/19 AS32244 -
+ --- -

enameservers.net
ns-soa records
ns1.enameservers.net
+ 69.16.196.251 69.16.192.0/19 AS32244  
+ ---  
ns records
ns1.enameservers.net
+ 69.16.196.251 69.16.192.0/19 AS32244  
+ ---  
ns2.enameservers.net
+ 209.59.143.115 209.59.128.0/19 AS32244 mastodon.enameservers.net
+ --- mastodon.enameservers.net
mx records
enameservers.net
+   AS?  
+ ---  
ip numbers of host
209.59.143.114
ptrs of ip numbers
mastodon.enameservers.net
ip numbers using ptr to this host
209.59.142.68
209.59.143.114
209.59.143.115