umich.edu zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2607:f018:fffd:53::5, 2607:f018:fffd:53::14)
umich.edu/A: The UDP connection was refused (ECONNREFUSED). See RFC 1035, Sec. 4.2. (2607:f018:fffd:53::5, 2607:f018:fffd:53::14, UDP_-_EDNS0_4096_D_KN)
umich.edu/NS: The UDP connection was refused (ECONNREFUSED). See RFC 1035, Sec. 4.2. (2607:f018:fffd:53::5, 2607:f018:fffd:53::14, UDP_-_EDNS0_4096_D_KN)
Warnings (2)
edu to umich.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): umich-edu.dns.umich.org See RFC 1034, Sec. 4.2.2.
edu to umich.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: dns1.itd.umich.edu See RFC 1034, Sec. 4.2.2.