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DNSViz: A DNS visualization tool

ucsc.edu

DNSSEC options (hide)
  1. |?|
  2. |?|
  3. |?|
  4. |?|
  5. |?|
  6. |?|
  7. |?|
  8. |?|
  9. |?|
  10. |?|
Notices
DNSSEC Authentication Chain

RRset statusRRset status

Secure (5)
  • ucsc.edu/A
  • ucsc.edu/MX
  • ucsc.edu/NS
  • ucsc.edu/SOA
  • ucsc.edu/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (14)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 46780)
  • edu/DNSKEY (alg 13, id 35663)
  • edu/DNSKEY (alg 13, id 7003)
  • edu/DS (alg 13, id 35663)
  • ucsc.edu/DNSKEY (alg 10, id 15422)
  • ucsc.edu/DNSKEY (alg 10, id 18264)
  • ucsc.edu/DNSKEY (alg 10, id 183)
  • ucsc.edu/DNSKEY (alg 10, id 5030)
  • ucsc.edu/DNSKEY (alg 10, id 59003)
  • ucsc.edu/DS (alg 10, id 18264)
  • ucsc.edu/DS (alg 10, id 18264)
  • ucsc.edu/DS (alg 10, id 183)
  • ucsc.edu/DS (alg 10, id 183)

Delegation statusDelegation status

Secure (2)
  • . to edu
  • edu to ucsc.edu

NoticesNotices

Errors (6)
  • edu/DS (alg 13, id 35663): DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 10 times) with the DO bit set. See RFC 4035, Sec. 3.2.1. (2001:500:2f::f, UDP_-_EDNS0_4096_)
  • edu/DS (alg 13, id 35663): DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 10 times) with the DO bit set. See RFC 4035, Sec. 3.2.1. (2001:500:2f::f, UDP_-_EDNS0_4096_)
  • edu/DS (alg 13, id 35663): No response was received from the server over UDP (tried 10 times) until the DO EDNS flag was cleared (however, this server appeared to respond legitimately to other queries with the DO EDNS flag set). See RFC 6891, Sec. 6.1.4. (2001:500:2f::f, UDP_-_EDNS0_4096_D_KN)
  • edu/DS (alg 13, id 35663): No response was received from the server over UDP (tried 10 times) until the DO EDNS flag was cleared (however, this server appeared to respond legitimately to other queries with the DO EDNS flag set). See RFC 6891, Sec. 6.1.4. (2001:500:2f::f, UDP_-_EDNS0_4096_D_KN)
  • edu/DS (alg 13, id 35663): The DNSSEC records necessary to validate the response could not be retrieved from the server. See RFC 4035, Sec. 3.1.1, RFC 4035, Sec. 3.1.3. (2001:500:2f::f, UDP_-_EDNS0_4096_D_KN)
  • edu/DS (alg 13, id 35663): The DNSSEC records necessary to validate the response could not be retrieved from the server. See RFC 4035, Sec. 3.1.1, RFC 4035, Sec. 3.1.3. (2001:500:2f::f, UDP_-_EDNS0_4096_D_KN)
Warnings (35)
  • RRSIG ucsc.edu/A alg 10, id 5030: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG ucsc.edu/DNSKEY alg 10, id 18264: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG ucsc.edu/DNSKEY alg 10, id 18264: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG ucsc.edu/DNSKEY alg 10, id 18264: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG ucsc.edu/DNSKEY alg 10, id 18264: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG ucsc.edu/DNSKEY alg 10, id 18264: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG ucsc.edu/DNSKEY alg 10, id 183: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG ucsc.edu/DNSKEY alg 10, id 183: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG ucsc.edu/DNSKEY alg 10, id 183: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG ucsc.edu/DNSKEY alg 10, id 183: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG ucsc.edu/DNSKEY alg 10, id 183: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG ucsc.edu/DNSKEY alg 10, id 5030: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG ucsc.edu/DNSKEY alg 10, id 5030: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG ucsc.edu/DNSKEY alg 10, id 5030: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG ucsc.edu/DNSKEY alg 10, id 5030: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG ucsc.edu/DNSKEY alg 10, id 5030: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG ucsc.edu/MX alg 10, id 5030: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG ucsc.edu/NS alg 10, id 5030: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG ucsc.edu/SOA alg 10, id 5030: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG ucsc.edu/TXT alg 10, id 5030: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • edu to ucsc.edu: Authoritative AAAA records exist for adns1.ucsc.edu, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • edu to ucsc.edu: Authoritative AAAA records exist for adns2.ucsc.edu, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • ucsc.edu/DS (alg 10, id 18264): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • ucsc.edu/DS (alg 10, id 18264): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • ucsc.edu/DS (alg 10, id 18264): 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.
  • ucsc.edu/DS (alg 10, id 18264): 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.
  • ucsc.edu/DS (alg 10, id 183): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • ucsc.edu/DS (alg 10, id 183): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • ucsc.edu/DS (alg 10, id 183): 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.
  • ucsc.edu/DS (alg 10, id 183): 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.
  • 3pu2k6y4d8.ucsc.edu/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • ucsc.edu/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • ucsc.edu/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
  • ucsc.edu/NSEC3PARAM has warnings; select the "Denial of existence" DNSSEC option to see them.
  • ucsc.edu/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