sp.edu.sg

Updated: 2022-10-06 11:25:58 UTC (724 days ago) Go to most recent »

DNSSEC options (hide)

|?| RR types:
|?| DNSSEC algorithms:
|?| DS digest algorithms:
|?| Denial of existence:
|?| Redundant edges:
|?| Ignore RFC 8624:
|?| Ignore RFC 9276:
|?| Multi-signer:
|?| Trust anchors:
- Root zone KSK
|?| Additional trusted keys:

Notices

DNSSEC Authentication Chain

RRset status

Bogus (7)

sp.edu.sg/A
sp.edu.sg/AAAA
sp.edu.sg/MX
sp.edu.sg/NS
sp.edu.sg/NSEC3PARAM
sp.edu.sg/SOA
sp.edu.sg/TXT

DNSKEY/DS/NSEC status

Bogus (5)

sp.edu.sg/DNSKEY (alg 8, id 11131)
sp.edu.sg/DNSKEY (alg 8, id 13933)
sp.edu.sg/DNSKEY (alg 8, id 59401)
sp.edu.sg/DNSKEY (alg 8, id 62593)
sp.edu.sg/DNSKEY (alg 8, id 65479)

Secure (11)

./DNSKEY (alg 8, id 18733)
./DNSKEY (alg 8, id 20326)
./DNSKEY (alg 8, id 20826)
edu.sg/DNSKEY (alg 8, id 10130)
edu.sg/DNSKEY (alg 8, id 34224)
edu.sg/DS (alg 8, id 10130)
sg/DNSKEY (alg 8, id 45405)
sg/DNSKEY (alg 8, id 46664)
sg/DS (alg 8, id 46664)
sp.edu.sg/DS (alg 8, id 58969)
sp.edu.sg/DS (alg 8, id 62465)

Non_existent (1)

sp.edu.sg/DNSKEY (alg 8, id 58969)

Delegation status

Bogus (1)

edu.sg to sp.edu.sg

Secure (2)

. to sg
sg to edu.sg

Notices

Errors (18)

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, 164.78.252.51, 2403:e900:ff1:e0fc::1:11, 2403:e900:ff1:e0fc::1:12, 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, 164.78.252.51, 2403:e900:ff1:e0fc::1:11, 2403:e900:ff1:e0fc::1:12, 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, 164.78.252.51, 2403:e900:ff1:e0fc::1:11, 2403:e900:ff1:e0fc::1:12, 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, 164.78.252.51, 2403:e900:ff1:e0fc::1:11, 2403:e900:ff1:e0fc::1:12, TCP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN)
sp.edu.sg/DNSKEY (alg 8, id 11131): No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (164.78.252.50, 164.78.252.51, 2403:e900:ff1:e0fc::1:11, 2403:e900:ff1:e0fc::1:12, TCP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN)
sp.edu.sg/DNSKEY (alg 8, id 13933): No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (164.78.252.50, 164.78.252.51, 2403:e900:ff1:e0fc::1:11, 2403:e900:ff1:e0fc::1:12, TCP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN)
sp.edu.sg/DNSKEY (alg 8, id 59401): No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (164.78.252.50, 164.78.252.51, 2403:e900:ff1:e0fc::1:11, 2403:e900:ff1:e0fc::1:12, TCP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN)
sp.edu.sg/DNSKEY (alg 8, id 62593): No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (164.78.252.50, 164.78.252.51, 2403:e900:ff1:e0fc::1:11, 2403:e900:ff1:e0fc::1:12, TCP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN)
sp.edu.sg/DNSKEY (alg 8, id 62593): The key was revoked but was not found signing the RRset. See RFC 5011, Sec. 2.1. (164.78.252.50, 164.78.252.51, 2403:e900:ff1:e0fc::1:11, 2403:e900:ff1:e0fc::1:12, 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, 164.78.252.51, 2403:e900:ff1:e0fc::1:11, 2403:e900:ff1:e0fc::1:12, 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, 164.78.252.51, 2403:e900:ff1:e0fc::1:11, 2403:e900:ff1:e0fc::1:12, UDP_-_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, 164.78.252.51, 2403:e900:ff1:e0fc::1:11, 2403:e900:ff1:e0fc::1:12, 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, 164.78.252.51, 2403:e900:ff1:e0fc::1:11, 2403:e900:ff1:e0fc::1:12, TCP_-_EDNS0_4096_D_KN, 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, 164.78.252.51, 2403:e900:ff1:e0fc::1:11, 2403:e900:ff1:e0fc::1:12, TCP_-_EDNS0_4096_D_KN, 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, 164.78.252.51, 2403:e900:ff1:e0fc::1:11, 2403:e900:ff1:e0fc::1:12, 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.
sp.edu.sg/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
x51hdcvl8e.sp.edu.sg/A has errors; select the "Denial of existence" DNSSEC option to see them.

Warnings (1)

sp.edu.sg/NS: No response was received until the UDP payload size was decreased, indicating that the server might be attempting to send a payload that exceeds the path maximum transmission unit (PMTU) size. See RFC 6891, Sec. 6.2.6. (164.78.252.51, UDP_-_EDNS0_4096_D_KN)