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DNSViz: A DNS visualization tool

cn.com

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

RRset statusRRset status

Secure (6)
  • cn.com/A
  • cn.com/MX
  • cn.com/NS
  • cn.com/NSEC3PARAM
  • cn.com/SOA
  • cn.com/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (11)
  • ./DNSKEY (alg 8, id 18733)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 951)
  • cn.com/DNSKEY (alg 7, id 13973)
  • cn.com/DNSKEY (alg 7, id 35408)
  • cn.com/DNSKEY (alg 7, id 41285)
  • cn.com/DS (alg 7, id 13973)
  • cn.com/DS (alg 7, id 13973)
  • com/DNSKEY (alg 8, id 30909)
  • com/DNSKEY (alg 8, id 53929)
  • com/DS (alg 8, id 30909)

Delegation statusDelegation status

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

NoticesNotices

Warnings (26)
  • RRSIG cn.com/A alg 7, id 41285: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG cn.com/DNSKEY alg 7, id 13973: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG cn.com/DNSKEY alg 7, id 13973: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG cn.com/DNSKEY alg 7, id 13973: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG cn.com/MX alg 7, id 41285: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG cn.com/NS alg 7, id 41285: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG cn.com/NSEC3PARAM alg 7, id 41285: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG cn.com/SOA alg 7, id 41285: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG cn.com/TXT alg 7, id 41285: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • cn.com/A: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (194.169.218.24, 2001:67c:13cc::1:24, UDP_-_EDNS0_4096_D_KN)
  • cn.com/DNSKEY (alg 7, id 13973): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (194.169.218.24, UDP_-_EDNS0_4096_D_KN)
  • cn.com/DNSKEY (alg 7, id 35408): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (194.169.218.24, UDP_-_EDNS0_4096_D_KN)
  • cn.com/DNSKEY (alg 7, id 41285): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (194.169.218.24, UDP_-_EDNS0_4096_D_KN)
  • cn.com/DNSKEY: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:67c:13cc::1:24, UDP_-_EDNS0_512_D_KN)
  • cn.com/DS (alg 7, id 13973): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • cn.com/DS (alg 7, id 13973): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • cn.com/DS (alg 7, id 13973): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
  • cn.com/DS (alg 7, id 13973): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
  • cn.com/MX: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:67c:13cc::1:24, UDP_-_EDNS0_4096_D_KN)
  • cn.com/NSEC3PARAM: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (194.169.218.24, UDP_-_EDNS0_4096_D_KN)
  • cn.com/SOA: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (194.169.218.24, UDP_-_EDNS0_4096_D_KN)
  • cn.com/TXT: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:67c:13cc::1:24, UDP_-_EDNS0_4096_D_KN)
  • gn0xeh5q34.cn.com/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • cn.com/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • cn.com/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • cn.com/AAAA 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