dns1.mynetsource.ie has one IP number , which also has a corresponding reverse pointer. dns1.netsource.ie point to the same IP. theflynns.org and mynetsource.ie use this as a nameserver. mynetsource.ie is delegated to two nameservers, however both delegated nameservers are missing in the zone and two other nameservers are listed instead. There are two duplicated IP numbers. Some of them are on the same IP network. Incoming mail for mynetsource.ie is handled by two mailservers at netsource.ie. They are on the same IP network. mynetsource.ie has one IP number. dns1.mynetsource.ie is hosted on a server in Ireland.