edu to villanova.edu: The following NS name(s) were found in the authoritative NS RRset, but not in the delegation NS RRset (i.e., in the edu zone): dnsauth2.level3.net, dnsauth3.level3.net, dnsauth1.level3.net See RFC 1034, Sec. 4.2.2.
edu to villanova.edu: The following NS name(s) were found in the delegation NS RRset (i.e., in the edu zone), but not in the authoritative NS RRset: dnsauth2.sys.gtei.net, dnsauth3.sys.gtei.net See RFC 1034, Sec. 4.2.2.