iso.org/DNSKEY: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (13.107.206.37, 13.107.222.37, 150.171.10.37, 150.171.16.37, UDP_-_NOEDNS_)
iso.org/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (13.107.206.37, 13.107.222.37, 150.171.10.37, 150.171.16.37, UDP_-_EDNS0_512_D_KN)
iso.org/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
iso.org/NSEC3PARAM has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (3)
NSEC3 proving non-existence of iso.org/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
NSEC3 proving non-existence of iso.org/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
iso.org/DS has warnings; select the "Denial of existence" DNSSEC option to see them.