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DNSViz: A DNS visualization tool

airgas.com

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

RRset statusRRset status

Insecure (9)
  • airgas.com/A
  • airgas.com/MX
  • airgas.com/NS
  • airgas.com/NSEC3PARAM
  • airgas.com/NSEC3PARAM
  • airgas.com/NSEC3PARAM
  • airgas.com/NSEC3PARAM
  • airgas.com/SOA
  • airgas.com/TXT
Secure (2)
  • com/SOA
  • com/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Insecure (2)
  • airgas.com/DNSKEY (alg 8, id 11752)
  • airgas.com/DNSKEY (alg 8, id 40704)
Secure (6)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 47671)
  • NSEC3 proving non-existence of airgas.com/DS
  • com/DNSKEY (alg 8, id 30909)
  • com/DNSKEY (alg 8, id 37269)
  • com/DS (alg 8, id 30909)

Delegation statusDelegation status

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

NoticesNotices

Errors (13)
  • airgas.com/A: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (13.36.134.140, 13.251.191.203, 54.78.95.41, UDP_-_EDNS0_4096_D_KN)
  • airgas.com/DNSKEY (alg 8, id 40704): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (13.36.134.140, 13.251.191.203, 54.78.95.41, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • airgas.com/MX: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (13.36.134.140, 13.251.191.203, 54.78.95.41, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • airgas.com/NS: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (13.36.134.140, 13.251.191.203, 54.78.95.41, UDP_-_EDNS0_4096_D_KN)
  • airgas.com/NSEC3PARAM: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (13.251.191.203, UDP_-_EDNS0_4096_D_KN)
  • airgas.com/NSEC3PARAM: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (13.36.134.140, UDP_-_EDNS0_4096_D_KN)
  • airgas.com/NSEC3PARAM: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (54.78.95.41, UDP_-_EDNS0_4096_D_KN)
  • airgas.com/SOA: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (13.36.134.140, 13.251.191.203, 54.78.95.41, TCP_-_EDNS0_4096_D_N, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
  • airgas.com/TXT: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (13.36.134.140, 13.251.191.203, 54.78.95.41, UDP_-_EDNS0_4096_D_KN)
  • m2ktn3dlu5.airgas.com/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • airgas.com/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
  • airgas.com/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • airgas.com/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (4)
  • airgas.com/DNSKEY (alg 8, id 11752): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (13.36.134.140, 13.251.191.203, 54.78.95.41, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • m2ktn3dlu5.airgas.com/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • airgas.com/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
  • airgas.com/CNAME 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