virginia.edu/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (2)
edu to virginia.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): ib04-cdc-udc-vip.net.virginia.edu, ib03-vlc-vip.net.virginia.edu See RFC 1034, Sec. 4.2.2.
edu to virginia.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: juno.acc.virginia.edu, ib07-aws.net.virginia.edu, nom.virginia.edu, uvaarpa.virginia.edu See RFC 1034, Sec. 4.2.2.