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DNSViz: A DNS visualization tool

express-scripts.com

DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Bogus (5)
  • express-scripts.com/A
  • express-scripts.com/NS
  • express-scripts.com/SOA
  • express-scripts.com/SOA
  • express-scripts.com/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (8)
  • ./DNSKEY (alg 8, id 18733)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 951)
  • com/DNSKEY (alg 8, id 30909)
  • com/DNSKEY (alg 8, id 53929)
  • com/DS (alg 8, id 30909)
  • express-scripts.com/DS (alg 8, id 38587)
  • express-scripts.com/DS (alg 8, id 40696)
Non_existent (4)
  • express-scripts.com/DNSKEY (alg 8, id 38587)
  • express-scripts.com/DNSKEY (alg 8, id 40696)
  • express-scripts.com/DNSKEY (alg 8, id 46578)
  • express-scripts.com/DNSKEY (alg 8, id 9453)

Delegation statusDelegation status

Bogus (1)
  • com to express-scripts.com
Secure (1)
  • . to com

NoticesNotices

Errors (9)
  • com to express-scripts.com: No valid RRSIGs made by a key corresponding to a DS RR were found covering the DNSKEY RRset, resulting in no secure entry point (SEP) into the zone.
  • express-scripts.com/AAAA: No response was received from the server over TCP (tried 12 times). (167.18.104.150, 167.211.104.150, TCP_-_EDNS0_4096_D_KN)
  • express-scripts.com/DNSKEY: No response was received from the server over TCP (tried 6 times). (167.18.104.150, TCP_-_EDNS0_4096_D_KN)
  • express-scripts.com/DNSKEY: No response was received from the server over TCP (tried 8 times). (167.211.104.150, TCP_-_EDNS0_4096_D_KN)
  • express-scripts.com/MX: No response was received from the server over TCP (tried 7 times). (167.211.104.150, TCP_-_EDNS0_4096_D_KN)
  • express-scripts.com/MX: No response was received from the server over TCP (tried 8 times). (167.18.104.150, TCP_-_EDNS0_4096_D_KN)
  • express-scripts.com/SOA: No response was received from the server over TCP (tried 12 times). (167.18.104.150, 167.211.104.150, TCP_-_EDNS0_4096_D_KN, TCP_-_EDNS0_4096_D_KN_0x20)
  • express-scripts.com/SOA: No response was received from the server over TCP (tried 3 times). (167.18.104.150, 167.211.104.150, TCP_-_EDNS0_4096_D_N)
  • express-scripts.com/TXT: No response was received from the server over TCP (tried 12 times). (167.18.104.150, TCP_-_EDNS0_4096_D_KN)
Warnings (4)
  • express-scripts.com/DS (alg 8, id 40696): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
  • express-scripts.com/DS (alg 8, id 40696): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
  • express-scripts.com/DS (alg 8, id 40696): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.
  • express-scripts.com/DS (alg 8, id 40696): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.

DNSKEY legend

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