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DNSViz: A DNS visualization tool

esc.gov

DNSSEC options (hide)
  1. |?|
  2. |?|
  3. |?|
  4. |?|
  5. |?|
  6. |?|
  7. |?|
  8. |?|
  9. |?|
Notices
DNSSEC Authentication Chain

RRset statusRRset status

Secure (5)
  • esc.gov/A
  • esc.gov/MX
  • esc.gov/NS
  • esc.gov/SOA
  • esc.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (12)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 26838)
  • esc.gov/DNSKEY (alg 8, id 18756)
  • esc.gov/DNSKEY (alg 8, id 20445)
  • esc.gov/DNSKEY (alg 8, id 3324)
  • esc.gov/DNSKEY (alg 8, id 41632)
  • esc.gov/DS (alg 8, id 41632)
  • esc.gov/DS (alg 8, id 41632)
  • esc.gov/DS (alg 8, id 56272)
  • gov/DNSKEY (alg 8, id 57735)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)
Non_existent (1)
  • esc.gov/DNSKEY (alg 8, id 56272)

Delegation statusDelegation status

Secure (2)
  • . to gov
  • gov to esc.gov

NoticesNotices

Errors (11)
  • RRSIG esc.gov/DNSKEY alg 8, id 18756: The cryptographic signature of the RRSIG RR does not properly validate. See RFC 4035, Sec. 5.3.3.
  • RRSIG esc.gov/DNSKEY alg 8, id 18756: The cryptographic signature of the RRSIG RR does not properly validate. See RFC 4035, Sec. 5.3.3.
  • RRSIG esc.gov/DNSKEY alg 8, id 18756: The cryptographic signature of the RRSIG RR does not properly validate. See RFC 4035, Sec. 5.3.3.
  • RRSIG esc.gov/DNSKEY alg 8, id 18756: The cryptographic signature of the RRSIG RR does not properly validate. See RFC 4035, Sec. 5.3.3.
  • esc.gov/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (162.58.33.104, UDP_-_EDNS0_512_D_KN)
  • esc.gov/DS (alg 8, id 41632): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • esc.gov/DS (alg 8, id 41632): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • esc.gov/DS (alg 8, id 56272): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • esc.gov/DS (alg 8, id 56272): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • esc.gov/MX: No response was received from the server over UDP (tried 7 times). See RFC 1035, Sec. 4.2. (162.58.33.104, UDP_-_EDNS0_4096_)
  • esc.gov/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (10)
  • esc.gov/DNSKEY (alg 8, id 18756): 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. (162.58.33.104, UDP_-_EDNS0_4096_D_KN)
  • esc.gov/DNSKEY (alg 8, id 20445): 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. (162.58.33.104, UDP_-_EDNS0_4096_D_KN)
  • esc.gov/DNSKEY (alg 8, id 3324): 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. (162.58.33.104, UDP_-_EDNS0_4096_D_KN)
  • esc.gov/DNSKEY (alg 8, id 41632): 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. (162.58.33.104, UDP_-_EDNS0_4096_D_KN)
  • esc.gov/DS (alg 8, id 41632): 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.
  • esc.gov/DS (alg 8, id 41632): 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.
  • esc.gov/DS (alg 8, id 56272): 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.
  • esc.gov/DS (alg 8, id 56272): 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.
  • esc.gov/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • esc.gov/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.

DNSKEY legend

Full legend
SEP bit setSEP bit set
Revoke bit setRevoke bit set
Trust anchorTrust anchor
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DNSSEC authentication graph