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DNSViz: A DNS visualization tool

about.com

Updated: 2024-05-05 06:23:38 UTC (153 days ago) Update now
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DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Insecure (10)
  • about.com/A
  • about.com/AAAA
  • about.com/CNAME
  • about.com/MX
  • about.com/NS
  • about.com/SOA
  • about.com/TXT
  • fastly.net/SOA
  • k.sni.global.fastly.net/A
  • k.sni.global.fastly.net/AAAA (NODATA)
Secure (4)
  • com/SOA
  • com/SOA
  • net/SOA
  • net/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (10)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 5613)
  • NSEC3 proving non-existence of about.com/DS
  • NSEC3 proving non-existence of fastly.net/DS
  • com/DNSKEY (alg 13, id 19718)
  • com/DNSKEY (alg 13, id 956)
  • com/DS (alg 13, id 19718)
  • net/DNSKEY (alg 13, id 37331)
  • net/DNSKEY (alg 13, id 51809)
  • net/DS (alg 13, id 37331)

Delegation statusDelegation status

Insecure (2)
  • com to about.com
  • net to fastly.net
Secure (2)
  • . to com
  • . to net

NoticesNotices

Warnings (8)
  • about.com/CNAME: The server returned CNAME for about.com, but records of other types exist at that name. See RFC 2181, Sec. 10.1.
  • com to about.com: Authoritative AAAA records exist for ns01.icsn.com, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • com to about.com: Authoritative AAAA records exist for ns02.icsn.com, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • com to about.com: Authoritative AAAA records exist for ns03.icsn.com, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • com to about.com: Authoritative AAAA records exist for ns04.icsn.com, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • about.com/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • about.com/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • about.com/NSEC3PARAM 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