gov to jfklibrary.gov: No valid RRSIGs made by a key corresponding to a DS RR were found covering the DNSKEY RRset, resulting in no secure entry point (SEP) into the zone. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11.
jfklibrary.gov zone: The server(s) responded over TCP with a malformed response or with an invalid RCODE. See RFC 1035, Sec. 4.1.1. (192.226.72.66, 192.226.121.66, 2604:85c0:a::e9)
jfklibrary.gov zone: The server(s) responded over UDP with a malformed response or with an invalid RCODE. See RFC 1035, Sec. 4.1.1. (192.226.72.66, 192.226.121.66, 2604:85c0:a::e9)
jfklibrary.gov zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2604:85c0:b::e9)
jfklibrary.gov/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2604:85c0:b::e9, UDP_-_NOEDNS_)
jfklibrary.gov/A: The response had an invalid RCODE (REFUSED). See RFC 1035, Sec. 4.1.1. (192.226.72.66, 192.226.121.66, 2604:85c0:a::e9, UDP_-_EDNS0_4096_D_KN)
jfklibrary.gov/AAAA: The response had an invalid RCODE (REFUSED). See RFC 1035, Sec. 4.1.1. (192.226.72.66, 192.226.121.66, 2604:85c0:a::e9, UDP_-_EDNS0_4096_D_KN)
jfklibrary.gov/DNSKEY: The response had an invalid RCODE (REFUSED). See RFC 1035, Sec. 4.1.1. (192.226.72.66, 192.226.121.66, 2604:85c0:a::e9, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
jfklibrary.gov/MX: The response had an invalid RCODE (REFUSED). See RFC 1035, Sec. 4.1.1. (192.226.72.66, 192.226.121.66, 2604:85c0:a::e9, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
jfklibrary.gov/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2604:85c0:b::e9, UDP_-_NOEDNS_)
jfklibrary.gov/NS: The response had an invalid RCODE (REFUSED). See RFC 1035, Sec. 4.1.1. (192.226.72.66, 192.226.121.66, 2604:85c0:a::e9, UDP_-_EDNS0_4096_D_KN)
jfklibrary.gov/NSEC3PARAM: The response had an invalid RCODE (REFUSED). See RFC 1035, Sec. 4.1.1. (192.226.72.66, 192.226.121.66, 2604:85c0:a::e9, UDP_-_EDNS0_4096_D_KN)
jfklibrary.gov/SOA: The response had an invalid RCODE (REFUSED). See RFC 1035, Sec. 4.1.1. (192.226.72.66, 192.226.121.66, 2604:85c0:a::e9, TCP_-_EDNS0_4096_D_N)
jfklibrary.gov/SOA: The response had an invalid RCODE (REFUSED). See RFC 1035, Sec. 4.1.1. (192.226.72.66, 192.226.121.66, 2604:85c0:a::e9, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
jfklibrary.gov/TXT: The response had an invalid RCODE (REFUSED). See RFC 1035, Sec. 4.1.1. (192.226.72.66, 192.226.121.66, 2604:85c0:a::e9, UDP_-_EDNS0_4096_D_KN)
jfklibrary.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
kmfns1i9ut.jfklibrary.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
jfklibrary.gov/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.