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DNSViz: A DNS visualization tool

uscg.gov

DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Secure (3)
  • uscg.gov/NS
  • uscg.gov/SOA
  • uscg.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (10)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 42351)
  • gov/DNSKEY (alg 8, id 27306)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)
  • uscg.gov/DNSKEY (alg 7, id 28025)
  • uscg.gov/DNSKEY (alg 7, id 41789)
  • uscg.gov/DNSKEY (alg 7, id 8508)
  • uscg.gov/DS (alg 7, id 8508)
  • uscg.gov/DS (alg 7, id 8508)

Delegation statusDelegation status

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

NoticesNotices

Errors (1)
  • uscg.gov/DNSKEY: No response was received from the server over UDP (tried 4 times). (152.121.33.3, UDP_-_EDNS0_512_D_KN)
Warnings (23)
  • RRSIG uscg.gov/DNSKEY alg 7, id 28025: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG uscg.gov/DNSKEY alg 7, id 28025: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG uscg.gov/DNSKEY alg 7, id 28025: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG uscg.gov/DNSKEY alg 7, id 41789: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG uscg.gov/DNSKEY alg 7, id 41789: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG uscg.gov/DNSKEY alg 7, id 41789: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG uscg.gov/DNSKEY alg 7, id 41789: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG uscg.gov/DNSKEY alg 7, id 41789: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG uscg.gov/DNSKEY alg 7, id 8508: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG uscg.gov/DNSKEY alg 7, id 8508: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG uscg.gov/DNSKEY alg 7, id 8508: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG uscg.gov/DNSKEY alg 7, id 8508: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG uscg.gov/DNSKEY alg 7, id 8508: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG uscg.gov/NS alg 7, id 41789: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG uscg.gov/SOA alg 7, id 41789: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG uscg.gov/TXT alg 7, id 41789: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • uscg.gov/DNSKEY (alg 7, id 28025): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (152.121.2.19, 152.121.50.3, UDP_-_EDNS0_4096_D_KN)
  • uscg.gov/DS (alg 7, id 8508): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
  • uscg.gov/DS (alg 7, id 8508): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
  • uscg.gov/DS (alg 7, id 8508): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.
  • uscg.gov/DS (alg 7, id 8508): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.
  • uscg.gov/SOA: No response was received from the server over UDP (tried 7 times) until the NSID EDNS option was removed (however, this server appeared to respond legitimately to other queries with the NSID EDNS option present). (152.121.33.3, 152.121.50.3, UDP_-_EDNS0_4096_D_KN_0x20)
  • uscg.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. (152.121.2.19, 152.121.50.3, UDP_-_EDNS0_4096_D_KN)

DNSKEY legend

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