edu to ndu.edu: 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. (216.21.19.239, UDP_-_EDNS0_4096_D_K, UDP_-_EDNS0_512_D_K)
edu to ndu.edu: 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. (216.21.19.239, UDP_-_EDNS0_4096_D_K, UDP_-_EDNS0_512_D_K)
ndu.edu/DNSKEY (alg 8, id 61744): No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (216.21.19.239, UDP_-_EDNS0_4096_D_K, UDP_-_EDNS0_512_D_K)
ndu.edu/DNSKEY (alg 8, id 7558): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (216.21.19.239, UDP_-_EDNS0_4096_D_K, UDP_-_EDNS0_512_D_K)
ndu.edu/MX: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (216.21.19.239, UDP_-_EDNS0_4096_D_K, UDP_-_EDNS0_512_D_K)
ndu.edu/NS: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (216.21.19.239, UDP_-_EDNS0_4096_D_K)
ndu.edu/SOA: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (216.21.19.239, TCP_-_EDNS0_4096_D, UDP_-_EDNS0_4096_D_K, UDP_-_EDNS0_4096_D_K_0x20)
ndu.edu/TXT: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (216.21.19.239, UDP_-_EDNS0_4096_D_K)
hoziplut0y.ndu.edu/A has errors; select the "Denial of existence" DNSSEC option to see them.
ndu.edu/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
ndu.edu/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
ndu.edu/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
ndu.edu/A has errors; select the "Denial of existence" DNSSEC option to see them.