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→Supporting Services
== Supporting Services ==
You need the following services and network infrastructure to support your Internet Email System (some of which should have been configured in assignment 1):
* pri-dns (VM2) must be the primary DNS name server for your domain updated with the proper MX record(s), SPF record(s), A record(s), and PTR record(s). It must be queriable by any machines in the 192.168.0.0/16 network.
**Provide the root name server operator(s) of the <yourname>.ops domain with glue records for your domain.
* co-nfs (VM3) must be a the caching DNS server, accessible only to machines in your networks, that will start its query with the root name server(s) in the virtual lab (e.g. rns-ldap.rdu6.ops (192.168.6.4), rns-ldap.wsu15.ops (192.168.35.4)), and then the appropriate primary DNS server.* if you are one of the root name server operators, your rns-ldap (VM4) must provide authoritative responses to any valid DNS queries.** All authorized root name servers in the virtual lab must be queriable response to queries by any network devices from the 192.168.0.0/16 network.
** It must have a copy of the root zone data of the virtual lab.
