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DNSViz: A DNS visualization tool

ups.com

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DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Insecure (5)
  • ups.com/A
  • ups.com/MX
  • ups.com/NS
  • ups.com/SOA
  • ups.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 ups.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 ups.com
Secure (1)
  • . to com

NoticesNotices

Errors (1)
  • ups.com/MX: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (2600::a2, UDP_-_EDNS0_512_D_K)
Warnings (6)
  • com to ups.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): ns3-auth.sprintlink.net See RFC 1034, Sec. 4.2.2.
  • ups.com/SOA: No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed (however, this server appeared to respond legitimately to other queries with the COOKIE EDNS option present). See RFC 6891, Sec. 6.1.2. (2600::a2, UDP_-_EDNS0_4096_D_K_0x20)
  • ups.com/SOA: 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. (2600::a2, UDP_-_EDNS0_4096_D_K)
  • ups.com/TXT: 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. (2600::a2, UDP_-_EDNS0_4096_D_K)
  • ups.com/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • ups.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
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DNSSEC authentication graph