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DNSViz: A DNS visualization tool

postfree.gr

DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Insecure (6)
  • postfree.gr/A
  • postfree.gr/AAAA
  • postfree.gr/MX
  • postfree.gr/NS
  • postfree.gr/SOA
  • postfree.gr/TXT
Secure (1)
  • gr/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Insecure (1)
  • postfree.gr/DNSKEY (alg 13, id 47456)
Secure (7)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 42351)
  • NSEC3 proving non-existence of postfree.gr/DS
  • gr/DNSKEY (alg 7, id 33317)
  • gr/DNSKEY (alg 7, id 35136)
  • gr/DNSKEY (alg 7, id 7835)
  • gr/DS (alg 7, id 35136)

Delegation statusDelegation status

Insecure (1)
  • gr to postfree.gr
Secure (1)
  • . to gr

NoticesNotices

Errors (1)
  • gr/DNSKEY: No response was received from the server over UDP (tried 4 times). (78.104.145.227, 139.91.191.3, UDP_-_EDNS0_512_D_KN)
Warnings (12)
  • RRSIG NSEC3 proving non-existence of postfree.gr/DS alg 7, id 7835: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG NSEC3 proving non-existence of postfree.gr/DS alg 7, id 7835: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG gr/DNSKEY alg 7, id 35136: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG gr/DNSKEY alg 7, id 35136: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG gr/DNSKEY alg 7, id 35136: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG gr/DNSKEY alg 7, id 7835: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG gr/DNSKEY alg 7, id 7835: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG gr/DNSKEY alg 7, id 7835: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG gr/SOA alg 7, id 7835: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • gr/DNSKEY (alg 7, id 33317): 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. (78.104.145.227, 139.91.191.3, UDP_-_EDNS0_4096_D_KN)
  • gr/DNSKEY (alg 7, id 35136): 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. (78.104.145.227, 139.91.191.3, UDP_-_EDNS0_4096_D_KN)
  • gr/DNSKEY (alg 7, id 7835): 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. (78.104.145.227, 139.91.191.3, 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