. to ci: 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. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (128.223.32.35, 192.134.0.49, 196.49.0.84, 196.216.168.30, 204.61.216.120, 2001:468:d01:20::80df:2023, 2001:500:14:6120:ad::1, 2001:660:3006:1::1:1, 2001:43f8:120::30, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
. to ci: 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. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (128.223.32.35, 192.134.0.49, 196.49.0.84, 196.216.168.30, 204.61.216.120, 2001:468:d01:20::80df:2023, 2001:500:14:6120:ad::1, 2001:660:3006:1::1:1, 2001:43f8:120::30, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
ci to usp.edu.ci: No NSEC RR(s) were returned to validate the NODATA response. See RFC 4035, Sec. 3.1.3.1, RFC 5155, Sec. 7.2.3, RFC 5155, Sec. 7.2.4. (128.223.32.35, 196.49.0.84, 196.216.168.30, 204.61.216.120, 2001:468:d01:20::80df:2023, 2001:500:14:6120:ad::1, 2001:43f8:120::30, UDP_-_EDNS0_4096_D_KN)
ci/SOA: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (128.223.32.35, 196.49.0.84, 196.216.168.30, 204.61.216.120, 2001:468:d01:20::80df:2023, 2001:500:14:6120:ad::1, 2001:43f8:120::30, UDP_-_EDNS0_4096_D_KN)
usp.edu.ci/DS: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (192.134.0.49, 2001:660:3006:1::1:1, UDP_-_NOEDNS_)
usp.edu.ci/NS: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (192.134.0.49, 2001:660:3006:1::1:1, UDP_-_NOEDNS_)
usp.edu.ci/DS has errors; select the "Denial of existence" DNSSEC option to see them.