nih.gov
Updated:
2024-07-26 06:12:22 UTC (120 days ago)
Go to most recent »
Notices
DNSSEC Authentication Chain
RRset status
Secure (6)
- nih.gov/A
- nih.gov/MX
- nih.gov/NS
- nih.gov/NSEC3PARAM
- nih.gov/SOA
- nih.gov/TXT
DNSKEY/DS/NSEC status
Secure (13)
- ./DNSKEY (alg 8, id 20038)
- ./DNSKEY (alg 8, id 20326)
- gov/DNSKEY (alg 13, id 2536)
- gov/DNSKEY (alg 13, id 35496)
- gov/DS (alg 13, id 2536)
- nih.gov/DNSKEY (alg 8, id 19203)
- nih.gov/DNSKEY (alg 8, id 25564)
- nih.gov/DNSKEY (alg 8, id 59659)
- nih.gov/DNSKEY (alg 8, id 951)
- nih.gov/DS (alg 8, id 25564)
- nih.gov/DS (alg 8, id 25564)
- nih.gov/DS (alg 8, id 59659)
- nih.gov/DS (alg 8, id 59659)
Delegation status
Secure (2)
- . to gov
- gov to nih.gov
Notices
Errors (10)
- nih.gov zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (128.231.64.1, 128.231.128.251, 165.112.4.230)
- nih.gov/CDNSKEY: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (128.231.64.1, 128.231.128.251, 165.112.4.230, 2607:f220:402:1801::a570:4e6, 2607:f220:404:101::80e7:80fb, 2607:f220:418:4101::80e7:401, UDP_-_NOEDNS_)
- nih.gov/CDS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (128.231.64.1, 128.231.128.251, 165.112.4.230, 2607:f220:402:1801::a570:4e6, 2607:f220:404:101::80e7:80fb, 2607:f220:418:4101::80e7:401, UDP_-_NOEDNS_)
- nih.gov/DNSKEY: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (128.231.64.1, 128.231.128.251, 165.112.4.230, UDP_-_EDNS0_4096_D_KN)
- nih.gov/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (128.231.64.1, 128.231.128.251, 165.112.4.230, TCP_-_EDNS0_4096_D_N)
- nih.gov/TXT: No response was received from the server over TCP (tried 12 times). See RFC 1035, Sec. 4.2. (128.231.64.1, 128.231.128.251, 165.112.4.230, TCP_-_EDNS0_4096_D_KN)
- nih.gov/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
- fhvdr.3jryv.nih.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
- nih.gov/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
- nih.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (17)
- ./DNSKEY (alg 8, id 20038): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:2f::f, UDP_-_EDNS0_4096_D_KN)
- ./DNSKEY (alg 8, id 20326): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:2f::f, UDP_-_EDNS0_4096_D_KN)
- ./DNSKEY: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:2f::f, UDP_-_EDNS0_512_D_KN)
- gov to nih.gov: Authoritative AAAA records exist for ns.nih.gov, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
- gov to nih.gov: Authoritative AAAA records exist for ns2.nih.gov, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
- gov to nih.gov: Authoritative AAAA records exist for ns3.nih.gov, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
- nih.gov/DS (alg 8, id 25564): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
- nih.gov/DS (alg 8, id 25564): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
- nih.gov/DS (alg 8, id 25564): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
- nih.gov/DS (alg 8, id 25564): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
- nih.gov/DS (alg 8, id 59659): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
- nih.gov/DS (alg 8, id 59659): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
- nih.gov/DS (alg 8, id 59659): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
- nih.gov/DS (alg 8, id 59659): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
- fhvdr.3jryv.nih.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
- nih.gov/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
- nih.gov/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
JavaScript is required to make the graph below interactive.
