tudelft.nl
Updated:
2024-05-31 15:41:48 UTC (176 days ago)
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Notices
DNSSEC Authentication Chain
RRset status
Bogus (3)
- tudelft.nl/A
- tudelft.nl/NS
- tudelft.nl/SOA
DNSKEY/DS/NSEC status
Secure (7)
- ./DNSKEY (alg 8, id 20326)
- ./DNSKEY (alg 8, id 5613)
- nl/DNSKEY (alg 13, id 17153)
- nl/DNSKEY (alg 13, id 63436)
- nl/DS (alg 13, id 17153)
- tudelft.nl/DS (alg 8, id 28945)
- tudelft.nl/DS (alg 8, id 47965)
Non_existent (3)
- tudelft.nl/DNSKEY (alg 8, id 135)
- tudelft.nl/DNSKEY (alg 8, id 28945)
- tudelft.nl/DNSKEY (alg 8, id 47965)
Delegation status
Bogus (1)
- nl to tudelft.nl
Secure (1)
- . to nl
Notices
Errors (17)
- nl to tudelft.nl: 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.
- tudelft.nl/A: DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 11 times) with EDNS enabled. See RFC 6891, Sec. 7, RFC 2671, Sec. 5.3. (130.161.180.65, UDP_-_NOEDNS_)
- tudelft.nl/A: No response was received from the server over UDP (tried 11 times) until EDNS was disabled (however, this server appeared to respond legitimately to other queries with EDNS enabled). See RFC 6891, Sec. 6.2.6. (130.161.180.65, UDP_-_EDNS0_4096_D_KN)
- tudelft.nl/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (130.161.180.1, UDP_-_NOEDNS_)
- tudelft.nl/A: The DNSSEC records necessary to validate the response could not be retrieved from the server. See RFC 4035, Sec. 3.1.1, RFC 4035, Sec. 3.1.3. (130.161.180.65, UDP_-_EDNS0_4096_D_KN)
- tudelft.nl/AAAA: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (130.161.180.1, 130.161.180.65, UDP_-_NOEDNS_)
- tudelft.nl/DNSKEY: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (130.161.180.1, 130.161.180.65, UDP_-_NOEDNS_)
- tudelft.nl/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (130.161.180.1, 130.161.180.65, UDP_-_EDNS0_512_D_KN)
- tudelft.nl/MX: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (130.161.180.1, 130.161.180.65, UDP_-_NOEDNS_)
- tudelft.nl/MX: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (130.161.180.1, 130.161.180.65, UDP_-_EDNS0_512_D_KN)
- tudelft.nl/NSEC3PARAM: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (130.161.180.1, 130.161.180.65, UDP_-_NOEDNS_)
- tudelft.nl/SOA: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (130.161.180.1, 130.161.180.65, UDP_-_NOEDNS_, UDP_-_NOEDNS__0x20)
- tudelft.nl/TXT: No response was received from the server over TCP (tried 4 times). See RFC 1035, Sec. 4.2. (130.161.180.65, TCP_-_EDNS0_4096_D)
- tudelft.nl/TXT: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (130.161.180.1, UDP_-_NOEDNS_)
- tudelft.nl/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
- tudelft.nl/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
- 3le54.gunvb.tudelft.nl/A has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (1)
- tudelft.nl/NS: No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed. See RFC 6891, Sec. 6.1.2. (130.161.180.1, UDP_-_EDNS0_4096_D_KN)
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