go
rspalace.com and gjohnstonphoto.com use this as a nameserver. dynadot.net is a domain controlled by two nameservers at dynadot.com. They are on the same IP network. Incoming mail for dynadot.net is handled by one mailserver also at dynadot.com. dynadot.net has one IP number.

dynadot.net
a records
 
+ 208.166.55.20 208.166.48.0/20 AS13332  
+ ---  
ns-soa records
ns1.dynadot.com
+ 208.78.242.186 208.78.240.0/22 AS13332 -
+ --- -
ns records
ns1.dynadot.com
+ 208.78.242.186 208.78.240.0/22 AS13332 -
+ --- -
ns2.dynadot.com
+ 208.78.242.187 208.78.240.0/22 AS13332 -
mx records
parkmail.dynadot.com
+ 208.78.242.183 208.78.240.0/22 AS13332 -
+ --- -
domains using this as nameserver
gjohnstonphoto.com
rspalace.com