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DNSViz: A DNS visualization tool

slack.com

DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Insecure (5)
  • slack.com/A
  • slack.com/MX
  • slack.com/NS
  • slack.com/SOA
  • slack.com/TXT
Secure (2)
  • com/SOA
  • com/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (6)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 48903)
  • NSEC3 proving non-existence of slack.com/DS
  • com/DNSKEY (alg 8, id 30909)
  • com/DNSKEY (alg 8, id 39844)
  • com/DS (alg 8, id 30909)

Delegation statusDelegation status

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

NoticesNotices

Errors (1)
  • ./DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (192.112.36.4, UDP_-_EDNS0_512_D_K)
Warnings (1)
  • com to slack.com: Authoritative AAAA records exist for ns-166.awsdns-20.com, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.

DNSKEY legend

Full legend
SEP bit setSEP bit set
Revoke bit setRevoke bit set
Trust anchorTrust anchor
Download: png | svg
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DNSSEC authentication graph