ch to tcp53.ch: 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. (91.184.32.34, 178.33.39.66, 2001:41d0:304:200::c92a, 2a01:198:0:1::34, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
ch to tcp53.ch: The DS RRset for the zone included algorithm 13 (ECDSAP256SHA256), but no DS RR matched a DNSKEY with algorithm 13 that signs the zone's DNSKEY RRset. (91.184.32.34, 178.33.39.66, 2001:41d0:304:200::c92a, 2a01:198:0:1::34, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
tcp53.ch/A: No RRSIG covering the RRset was returned in the response. (91.184.32.34, 178.33.39.66, 2001:41d0:304:200::c92a, 2a01:198:0:1::34, UDP_-_EDNS0_4096_D_KN)
tcp53.ch/DNSKEY (alg 13, id 44444): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (91.184.32.34, 178.33.39.66, 2001:41d0:304:200::c92a, 2a01:198:0:1::34, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
tcp53.ch/MX: No RRSIG covering the RRset was returned in the response. (91.184.32.34, 178.33.39.66, 2001:41d0:304:200::c92a, 2a01:198:0:1::34, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
tcp53.ch/NS: No RRSIG covering the RRset was returned in the response. (91.184.32.34, 178.33.39.66, 2001:41d0:304:200::c92a, 2a01:198:0:1::34, UDP_-_EDNS0_4096_D_KN)
tcp53.ch/SOA: No RRSIG covering the RRset was returned in the response. (91.184.32.34, 178.33.39.66, 2001:41d0:304:200::c92a, 2a01:198:0:1::34, TCP_-_EDNS0_4096_D_N, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
tcp53.ch/TXT: No RRSIG covering the RRset was returned in the response. (91.184.32.34, 178.33.39.66, 2001:41d0:304:200::c92a, 2a01:198:0:1::34, UDP_-_EDNS0_4096_D_KN)