hhs.gov zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2607:f220:0:1::2a, 2607:f220:0:1::2b, 2607:f220:0:1::2c, 2607:f220:0:1::2d)
hhs.gov/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2607:f220:0:1::2a, 2607:f220:0:1::2b, 2607:f220:0:1::2c, 2607:f220:0:1::2d, UDP_-_NOEDNS_)
hhs.gov/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2607:f220:0:1::2a, 2607:f220:0:1::2b, 2607:f220:0:1::2c, 2607:f220:0:1::2d, UDP_-_NOEDNS_)
8exh4plqgz.hhs.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.