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DNSViz: A DNS visualization tool

salliemae.com

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

RRset statusRRset status

Insecure (6)
  • salliemae.com/A
  • salliemae.com/MX
  • salliemae.com/NS
  • salliemae.com/NSEC3PARAM
  • salliemae.com/SOA
  • salliemae.com/TXT
Secure (2)
  • com/SOA
  • com/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (6)
  • ./DNSKEY (alg 8, id 18733)
  • ./DNSKEY (alg 8, id 20326)
  • NSEC3 proving non-existence of salliemae.com/DS
  • com/DNSKEY (alg 8, id 30909)
  • com/DNSKEY (alg 8, id 53929)
  • com/DS (alg 8, id 30909)

Delegation statusDelegation status

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

NoticesNotices

Warnings (4)
  • salliemae.com/A: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (192.230.121.107, 2a02:e980:4::6b, UDP_-_EDNS0_4096_D_KN)
  • salliemae.com/TXT: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (192.230.121.107, UDP_-_EDNS0_4096_D_KN)
  • salliemae.com/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
  • salliemae.com/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
Download: png | svg
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DNSSEC authentication graph