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DNSViz: A DNS visualization tool

aol.com

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

RRset statusRRset status

Insecure (5)
  • aol.com/A
  • aol.com/MX
  • aol.com/NS
  • aol.com/SOA
  • aol.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 26116)
  • ./DNSKEY (alg 8, id 42351)
  • NSEC3 proving non-existence of aol.com/DS
  • com/DNSKEY (alg 8, id 30909)
  • com/DNSKEY (alg 8, id 31510)
  • com/DS (alg 8, id 30909)

Delegation statusDelegation status

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

NoticesNotices

Errors (9)
  • aol.com zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (27.123.42.42, 68.180.131.16, 98.138.11.157, 202.165.97.53, 2001:4998:130::1001, 2406:2000:ff60::53, 2406:8600:f03f:1f8::1003)
  • aol.com/DNSKEY: No response was received from the server over TCP (tried 10 times). See RFC 1035, Sec. 4.2. (2406:8600:f03f:1f8::1003, TCP_-_EDNS0_4096_D_N)
  • aol.com/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (27.123.42.42, 2406:8600:f03f:1f8::1003, UDP_-_EDNS0_512_D_KN)
  • aol.com/MX: No response was received from the server over TCP (tried 12 times). See RFC 1035, Sec. 4.2. (27.123.42.42, TCP_-_EDNS0_4096_D_KN)
  • aol.com/MX: No response was received from the server over TCP (tried 6 times). See RFC 1035, Sec. 4.2. (2406:8600:f03f:1f8::1003, TCP_-_EDNS0_4096_)
  • aol.com/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (27.123.42.42, 68.180.131.16, 98.138.11.157, 202.165.97.53, 2001:4998:130::1001, 2406:2000:ff60::53, 2406:8600:f03f:1f8::1003, TCP_-_EDNS0_4096_D_N)
  • aol.com/SOA: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (27.123.42.42, UDP_-_NOEDNS_)
  • aol.com/TXT: No response was received from the server over TCP (tried 7 times). See RFC 1035, Sec. 4.2. (27.123.42.42, TCP_-_EDNS0_4096_D_KN)
  • aol.com/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (5)
  • aol.com/A: 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. (2406:8600:f03f:1f8::1003, UDP_-_EDNS0_4096_D_KN)
  • aol.com/NS: 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. (27.123.42.42, UDP_-_EDNS0_4096_D_KN)
  • zudeprtw5v.aol.com/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • aol.com/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
  • aol.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