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DNSViz: A DNS visualization tool

blackrock.com

DNSSEC options (hide)
  1. |?|
  2. |?|
  3. |?|
  4. |?|
  5. |?|
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Secure (5)
  • blackrock.com/A
  • blackrock.com/MX
  • blackrock.com/NS
  • blackrock.com/SOA
  • blackrock.com/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (10)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 42351)
  • blackrock.com/DNSKEY (alg 13, id 35691)
  • blackrock.com/DNSKEY (alg 13, id 37972)
  • blackrock.com/DNSKEY (alg 13, id 6798)
  • blackrock.com/DS (alg 13, id 37972)
  • com/DNSKEY (alg 8, id 30909)
  • com/DNSKEY (alg 8, id 31510)
  • com/DNSKEY (alg 8, id 58540)
  • com/DS (alg 8, id 30909)

Delegation statusDelegation status

Secure (2)
  • . to com
  • com to blackrock.com

NoticesNotices

Errors (3)
  • blackrock.com/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
  • ah78x12tpn.blackrock.com/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • blackrock.com/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (5)
  • com/DS (alg 8, id 30909): 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. See RFC 6891, Sec. 6.2.6. (2001:500:12::d0d, UDP_-_EDNS0_4096_D_KN)
  • com/DS (alg 8, id 30909): 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. See RFC 6891, Sec. 6.2.6. (2001:500:12::d0d, UDP_-_EDNS0_4096_D_KN)
  • blackrock.com/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
  • ah78x12tpn.blackrock.com/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • blackrock.com/CNAME 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
Download: png | svg
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DNSSEC authentication graph