clinicaltrial.gov zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (130.14.252.50, 2607:f220:41e:252::53)
clinicaltrial.gov/DNSKEY: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (130.14.252.50, 130.14.252.53, 2607:f220:41e:252::50, 2607:f220:41e:252::53, UDP_-_NOEDNS_)
clinicaltrial.gov/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (130.14.252.50, 130.14.252.53, 165.112.6.3, 2607:f220:41e:252::50, 2607:f220:41e:252::53, 2607:f220:41f:1405::3, UDP_-_EDNS0_512_D_KN)
clinicaltrial.gov/NSEC3PARAM: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (130.14.252.50, 130.14.252.53, 2607:f220:41e:252::50, 2607:f220:41e:252::53, UDP_-_NOEDNS_)
clinicaltrial.gov/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (130.14.252.50, 2607:f220:41e:252::53, TCP_-_EDNS0_4096_D_N)
clinicaltrial.gov/SOA: No response was received from the server over TCP (tried 4 times). See RFC 1035, Sec. 4.2. (130.14.252.50, 130.14.252.53, 2607:f220:41e:252::50, 2607:f220:41e:252::53, TCP_-_EDNS0_4096_D_0x20)
clinicaltrial.gov/SOA: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (130.14.252.50, 130.14.252.53, 2607:f220:41e:252::50, 2607:f220:41e:252::53, UDP_-_NOEDNS_)
clinicaltrial.gov/TXT: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (130.14.252.53, 2607:f220:41e:252::50, 2607:f220:41e:252::53, UDP_-_NOEDNS_)
sdx9qcfgm0.clinicaltrial.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
clinicaltrial.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
clinicaltrial.gov/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
clinicaltrial.gov/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
clinicaltrial.gov/MX has errors; select the "Denial of existence" DNSSEC option to see them.
clinicaltrial.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (9)
clinicaltrial.gov/DNSKEY (alg 8, id 37083): No response was received from the server over UDP (tried 7 times) until the NSID EDNS option was removed (however, this server appeared to respond legitimately to other queries with the NSID EDNS option present). See RFC 6891, Sec. 6.1.2. (165.112.6.3, 2607:f220:41f:1405::3, UDP_-_EDNS0_4096_D_KN)
clinicaltrial.gov/DNSKEY (alg 8, id 5749): No response was received from the server over UDP (tried 7 times) until the NSID EDNS option was removed (however, this server appeared to respond legitimately to other queries with the NSID EDNS option present). See RFC 6891, Sec. 6.1.2. (165.112.6.3, 2607:f220:41f:1405::3, UDP_-_EDNS0_4096_D_KN)
clinicaltrial.gov/SOA: No response was received from the server over UDP (tried 7 times) until the NSID EDNS option was removed (however, this server appeared to respond legitimately to other queries with the NSID EDNS option present). See RFC 6891, Sec. 6.1.2. (165.112.6.3, 2607:f220:41f:1405::3, UDP_-_EDNS0_4096_D_KN)
sdx9qcfgm0.clinicaltrial.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
clinicaltrial.gov/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
clinicaltrial.gov/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
clinicaltrial.gov/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
clinicaltrial.gov/MX has warnings; select the "Denial of existence" DNSSEC option to see them.
clinicaltrial.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.