edu.sg to sp.edu.sg: 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. (164.78.252.50, 2403:e900:ff1:e0fc::1:11, TCP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN)
edu.sg to sp.edu.sg: 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. (164.78.252.50, 2403:e900:ff1:e0fc::1:11, TCP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN)
sp.edu.sg/A: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (164.78.252.50, 2403:e900:ff1:e0fc::1:11, UDP_-_EDNS0_4096_D_KN)
sp.edu.sg/AAAA: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (164.78.252.50, 2403:e900:ff1:e0fc::1:11, UDP_-_EDNS0_4096_D_KN)
sp.edu.sg/DNSKEY (alg 8, id 11794): No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (164.78.252.50, 2403:e900:ff1:e0fc::1:11, TCP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN)
sp.edu.sg/DNSKEY (alg 8, id 62465): No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (164.78.252.50, 2403:e900:ff1:e0fc::1:11, TCP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN)
sp.edu.sg/DNSKEY (alg 8, id 63000): No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (164.78.252.50, 2403:e900:ff1:e0fc::1:11, TCP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN)
sp.edu.sg/DNSKEY (alg 8, id 65479): No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (164.78.252.50, 2403:e900:ff1:e0fc::1:11, TCP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN)
sp.edu.sg/MX: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (164.78.252.50, 2403:e900:ff1:e0fc::1:11, TCP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
sp.edu.sg/NS: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (164.78.252.50, 2403:e900:ff1:e0fc::1:11, UDP_-_EDNS0_4096_D_KN)
sp.edu.sg/NSEC3PARAM: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (164.78.252.50, 2403:e900:ff1:e0fc::1:11, UDP_-_EDNS0_4096_D_KN)
sp.edu.sg/SOA: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (164.78.252.50, 2403:e900:ff1:e0fc::1:11, TCP_-_EDNS0_4096_D_N, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
sp.edu.sg/TXT: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (164.78.252.50, 2403:e900:ff1:e0fc::1:11, TCP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN)
sp.edu.sg/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
6yx8esprmq.sp.edu.sg/A has errors; select the "Denial of existence" DNSSEC option to see them.
sp.edu.sg/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (2)
6yx8esprmq.sp.edu.sg/A has warnings; select the "Denial of existence" DNSSEC option to see them.
sp.edu.sg/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.