ru to cctld.ru: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:678:15:0:193:232:142:17, UDP_-_EDNS0_4096_D_KN)
ru/DNSKEY: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:678:15:0:193:232:142:17, UDP_-_EDNS0_512_D_KN)
cctld.ru/DS has warnings; select the "Denial of existence" DNSSEC option to see them.