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DNSViz: A DNS visualization tool

emc.com

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DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Insecure (6)
  • emc.com/A
  • emc.com/MX
  • emc.com/NS
  • emc.com/SOA
  • emc.com/SOA
  • emc.com/TXT
Secure (2)
  • com/SOA
  • com/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (7)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 33853)
  • ./DNSKEY (alg 8, id 48903)
  • NSEC3 proving non-existence of emc.com/DS
  • com/DNSKEY (alg 8, id 30909)
  • com/DNSKEY (alg 8, id 56311)
  • com/DS (alg 8, id 30909)

Delegation statusDelegation status

Insecure (1)
  • com to emc.com
Secure (1)
  • . to com

NoticesNotices

Errors (1)
  • emc.com zone: The following NS name(s) resolved to IP address(es) in private IP address space: hopibgm4.isus.emc.com
Warnings (1)
  • com to emc.com: The following NS name(s) were found in the authoritative NS RRset, but not in the delegation NS RRset (i.e., in the com zone): hopibgm4.isus.emc.com, emcns8.emc.com See RFC 1034, Sec. 4.2.2.

DNSKEY legend

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