nih.gov
Updated:
2025-12-09 12:20:44 UTC (16 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 (12)
- ./DNSKEY (alg 8, id 20326)
- ./DNSKEY (alg 8, id 38696)
- ./DNSKEY (alg 8, id 61809)
- gov/DNSKEY (alg 13, id 2536)
- gov/DNSKEY (alg 13, id 35496)
- gov/DS (alg 13, id 2536)
- nih.gov/DNSKEY (alg 8, id 23944)
- nih.gov/DNSKEY (alg 8, id 28963)
- nih.gov/DNSKEY (alg 8, id 36469)
- nih.gov/DNSKEY (alg 8, id 45048)
- nih.gov/DS (alg 8, id 25564)
- nih.gov/DS (alg 8, id 36469)
Non_existent (1)
- nih.gov/DNSKEY (alg 8, id 25564)
Delegation status
Secure (2)
- . to gov
- gov to nih.gov
Notices
Errors (14)
- nih.gov/AAAA: No response was received from the server over UDP (tried 11 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_-_EDNS0_4096_)
- 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, UDP_-_NOEDNS_)
- nih.gov/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (128.231.64.1, 128.231.128.251, 2607:f220:402:1801::a570:4e6, 2607:f220:404:101::80e7:80fb, UDP_-_EDNS0_512_D_KN)
- nih.gov/MX: 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_-_NOEDNS_)
- nih.gov/MX: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (128.231.64.1, 128.231.128.251, 2607:f220:418:4101::80e7:401, UDP_-_EDNS0_512_D_KN)
- nih.gov/NSEC3PARAM: No response was received from the server over UDP (tried 9 times). See RFC 1035, Sec. 4.2. (128.231.64.1, 128.231.128.251, 2607:f220:404:101::80e7:80fb, 2607:f220:418:4101::80e7:401, UDP_-_EDNS0_4096_D)
- nih.gov/SOA: No response was received from the server over UDP (tried 11 times). See RFC 1035, Sec. 4.2. (128.231.128.251, 165.112.4.230, UDP_-_EDNS0_4096__0x20)
- nih.gov/SOA: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (128.231.128.251, 165.112.4.230, 2607:f220:402:1801::a570:4e6, 2607:f220:404:101::80e7:80fb, UDP_-_NOEDNS_)
- nih.gov/TXT: No response was received from the server over UDP (tried 11 times). See RFC 1035, Sec. 4.2. (128.231.128.251, 2607:f220:402:1801::a570:4e6, UDP_-_EDNS0_4096_)
- nih.gov/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
- 9gmwf.sw5g7.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 (5)
- 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.
- 9gmwf.sw5g7.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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