cisa.gov
Updated:
2022-12-01 20:12:42 UTC (727 days ago)
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Notices
DNSSEC Authentication Chain
RRset status
Secure (9)
- cisa.gov/A
- cisa.gov/AAAA
- cisa.gov/AAAA
- cisa.gov/AAAA
- cisa.gov/MX
- cisa.gov/NS
- cisa.gov/NSEC3PARAM
- cisa.gov/SOA
- cisa.gov/TXT
DNSKEY/DS/NSEC status
Secure (10)
- ./DNSKEY (alg 8, id 18733)
- ./DNSKEY (alg 8, id 20326)
- cisa.gov/DNSKEY (alg 8, id 19795)
- cisa.gov/DNSKEY (alg 8, id 27318)
- cisa.gov/DNSKEY (alg 8, id 62863)
- cisa.gov/DS (alg 8, id 19795)
- cisa.gov/DS (alg 8, id 19795)
- gov/DNSKEY (alg 8, id 56278)
- gov/DNSKEY (alg 8, id 7698)
- gov/DS (alg 8, id 7698)
Delegation status
Secure (2)
- . to gov
- gov to cisa.gov
Notices
Errors (2)
- cisa.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
- 7wq2yn6i45.cisa.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (15)
- cisa.gov/AAAA: 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. (2a02:26f0:117::42, UDP_-_EDNS0_4096_D_KN)
- cisa.gov/DNSKEY (alg 8, id 19795): 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. (184.85.248.66, UDP_-_EDNS0_4096_D_KN)
- cisa.gov/DNSKEY (alg 8, id 27318): 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. (184.85.248.66, UDP_-_EDNS0_4096_D_KN)
- cisa.gov/DNSKEY (alg 8, id 62863): 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. (184.85.248.66, UDP_-_EDNS0_4096_D_KN)
- cisa.gov/DS (alg 8, id 19795): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
- cisa.gov/DS (alg 8, id 19795): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
- cisa.gov/DS (alg 8, id 19795): 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.
- cisa.gov/DS (alg 8, id 19795): 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.
- cisa.gov/MX: 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. (2a02:26f0:117::42, UDP_-_EDNS0_4096_D_KN)
- cisa.gov/NSEC3PARAM: 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. (23.211.61.66, UDP_-_EDNS0_4096_D_KN)
- cisa.gov/SOA: 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. (2a02:26f0:117::42, UDP_-_EDNS0_4096_D_KN_0x20)
- cisa.gov/TXT: 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. (23.211.61.66, 184.85.248.66, UDP_-_EDNS0_4096_D_KN)
- cisa.gov/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
- 7wq2yn6i45.cisa.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
- cisa.gov/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
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