duckdns.org zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (3.97.51.116, 3.97.58.28, 15.222.19.97, 15.223.21.81, 15.223.106.16, 35.182.183.211, 35.183.157.249, 99.79.16.64, 99.79.143.35)
duckdns.org/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (3.97.51.116, 3.97.58.28, 15.222.19.97, 15.223.21.81, 15.223.106.16, 35.182.183.211, 35.183.157.249, 99.79.16.64, 99.79.143.35, TCP_-_EDNS0_4096_D_N)
Warnings (3)
NSEC3 proving non-existence of duckdns.org/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
NSEC3 proving non-existence of duckdns.org/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
duckdns.org/DS has warnings; select the "Denial of existence" DNSSEC option to see them.