xyz/DNSKEY: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (212.18.248.42, UDP_-_EDNS0_512_D_KN)
xyz/NSEC3PARAM: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (194.169.218.42, 212.18.248.42, UDP_-_EDNS0_4096_D_KN)
xyz/SOA: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (194.169.218.42, 212.18.248.42, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
xyz/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
sx543yg9q6.xyz/A has warnings; select the "Denial of existence" DNSSEC option to see them.