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DNSViz: A DNS visualization tool

unitedhealthgroup.com

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

RRset statusRRset status

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

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (7)
  • ./DNSKEY (alg 8, id 20038)
  • ./DNSKEY (alg 8, id 20326)
  • NSEC3 proving non-existence of unitedhealthgroup.com/DS
  • com/DNSKEY (alg 13, id 19718)
  • com/DNSKEY (alg 13, id 59354)
  • com/DNSKEY (alg 13, id 956)
  • com/DS (alg 13, id 19718)

Delegation statusDelegation status

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

NoticesNotices

Warnings (3)
  • com to unitedhealthgroup.com: The following NS name(s) were found in the delegation NS RRset (i.e., in the com zone), but not in the authoritative NS RRset: edns4.ultradns.biz, edns4.ultradns.com, edns4.ultradns.net, edns4.ultradns.org See RFC 1034, Sec. 4.2.2.
  • com/DS (alg 13, id 19718): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:2f::f, UDP_-_EDNS0_4096_D_KN)
  • com/DS (alg 13, id 19718): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:2f::f, UDP_-_EDNS0_4096_D_KN)

DNSKEY legend

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