nih.gov
Updated:
2023-08-15 08:52:22 UTC (500 days ago)
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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 (14)
- ./DNSKEY (alg 8, id 11019)
- ./DNSKEY (alg 8, id 20326)
- gov/DNSKEY (alg 8, id 40921)
- gov/DNSKEY (alg 8, id 7698)
- gov/DS (alg 8, id 7698)
- nih.gov/DNSKEY (alg 8, id 32209)
- nih.gov/DNSKEY (alg 8, id 32751)
- nih.gov/DNSKEY (alg 8, id 37398)
- nih.gov/DNSKEY (alg 8, id 55230)
- nih.gov/DNSKEY (alg 8, id 59659)
- nih.gov/DS (alg 8, id 32209)
- nih.gov/DS (alg 8, id 32209)
- 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 (11)
- nih.gov zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (128.231.128.251, 2607:f220:404:101::80e7:80fb)
- nih.gov zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (128.231.64.1, 2607:f220:418:4101::80e7:401)
- nih.gov/A: 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, 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. (128.231.128.251, 2607:f220:404:101::80e7:80fb, UDP_-_EDNS0_4096_D_KN)
- nih.gov/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (128.231.64.1, 2607:f220:418:4101::80e7:401, UDP_-_NOEDNS_)
- nih.gov/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (128.231.128.251, 2607:f220:404:101::80e7:80fb, 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. (128.231.128.251, 2607:f220:404:101::80e7:80fb, TCP_-_EDNS0_4096_D_KN)
- nih.gov/DNSKEY 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.
- eh1sqmx4uf.nih.gov/A 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 (15)
- 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/A: No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed (however, this server appeared to respond legitimately to other queries with the COOKIE EDNS option present). See RFC 6891, Sec. 6.1.2. (165.112.4.230, 2607:f220:402:1801::a570:4e6, UDP_-_EDNS0_4096_D_KN)
- nih.gov/DS (alg 8, id 32209): 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 32209): 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 32209): 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 32209): 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.
- nih.gov/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
- eh1sqmx4uf.nih.gov/A 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.
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