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DNSViz: A DNS visualization tool

samsung.com

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

RRset statusRRset status

Insecure (9)
  • samsung.com/A
  • samsung.com/MX
  • samsung.com/NS
  • samsung.com/SOA
  • samsung.com/SOA
  • samsung.com/SOA
  • samsung.com/SOA
  • samsung.com/SOA
  • samsung.com/TXT
Secure (2)
  • com/SOA
  • com/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (6)
  • ./DNSKEY (alg 8, id 20038)
  • ./DNSKEY (alg 8, id 20326)
  • NSEC3 proving non-existence of samsung.com/DS
  • com/DNSKEY (alg 13, id 19718)
  • com/DNSKEY (alg 13, id 59354)
  • com/DS (alg 13, id 19718)

Delegation statusDelegation status

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

NoticesNotices

Errors (4)
  • samsung.com zone: The following NS name(s) did not resolve to address(es): auth01.nhn.ic, auth02.nhn.ic, auth03.nhn.ic, auth04.nhn.ic, auth01.sam.ic, auth02.sam.ic, auth03.sam.ic, auth04.sam.ic
  • samsung.com zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (203.241.135.186, 2001:330:a:b:112:106:53:58, 2001:330:a:300b:112:107:53:58)
  • samsung.com/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (203.241.135.186, 2001:330:a:b:112:106:53:58, 2001:330:a:300b:112:107:53:58, UDP_-_NOEDNS_)
  • samsung.com/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (203.241.135.186, 2001:330:a:b:112:106:53:58, 2001:330:a:300b:112:107:53:58, UDP_-_NOEDNS_)
Warnings (10)
  • ./DNSKEY (alg 8, id 20038): 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 (alg 8, id 20326): 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: 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_512_D_KN)
  • com to samsung.com: Authoritative AAAA records exist for dnssm.samsung.com, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • com to samsung.com: Authoritative AAAA records exist for dnssm2.samsung.com, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • com to samsung.com: Authoritative AAAA records exist for dnsst.samsung.com, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • com to samsung.com: Authoritative AAAA records exist for dnsst2.samsung.com, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • com to samsung.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): auth04.sam.ic, dns-gi2.samsung.com, auth03.sam.ic, auth01.sam.ic, auth02.nhn.ic, auth04.nhn.ic, auth01.nhn.ic, auth02.sam.ic, auth03.nhn.ic 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