. to tn: No valid RRSIGs made by a key corresponding to a DS RR were found covering the DNSKEY RRset, resulting in no secure entry point (SEP) into the zone. (41.228.62.63, 41.228.63.62, 147.28.0.39, 192.93.0.4, 196.216.168.25, 204.61.216.94, 2001:418:1::39, 2001:500:14:6004:ad::1, 2001:660:3005:1::1:2, 2001:43f8:120::25, 2c0f:fab0:ffff:4:41:228:62:63, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
. to tn: The DS RRset for the zone included algorithm 8 (RSASHA256), but no DS RR matched a DNSKEY with algorithm 8 that signs the zone's DNSKEY RRset. (41.228.62.63, 41.228.63.62, 147.28.0.39, 192.93.0.4, 196.216.168.25, 204.61.216.94, 2001:418:1::39, 2001:500:14:6004:ad::1, 2001:660:3005:1::1:2, 2001:43f8:120::25, 2c0f:fab0:ffff:4:41:228:62:63, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
tn zone: The server(s) were not responsive to queries over TCP. (147.28.0.39)
tn zone: The server(s) were not responsive to queries over UDP. (2c0f:fab0:ffff:5:41:228:63:62)
tn/NS: No RRSIG covering the RRset was returned in the response. (41.228.62.63, 41.228.63.62, 147.28.0.39, 192.93.0.4, 196.216.168.25, 204.61.216.94, 2001:418:1::39, 2001:500:14:6004:ad::1, 2001:660:3005:1::1:2, 2001:43f8:120::25, 2c0f:fab0:ffff:4:41:228:62:63, UDP_-_EDNS0_4096_D_KN)
tn/NS: No response was received from the server over UDP (tried 12 times). (2c0f:fab0:ffff:5:41:228:63:62, UDP_-_NOEDNS_)
tn/SOA: No RRSIG covering the RRset was returned in the response. (41.228.62.63, 41.228.63.62, 147.28.0.39, 192.93.0.4, 196.216.168.25, 204.61.216.94, 2001:418:1::39, 2001:500:14:6004:ad::1, 2001:660:3005:1::1:2, 2001:43f8:120::25, 2c0f:fab0:ffff:4:41:228:62:63, TCP_-_EDNS0_4096_D_N, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
tn/SOA: The TCP connection was interrupted (ECONNRESET). (147.28.0.39, TCP_-_EDNS0_4096_D_N)