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DNSViz: A DNS visualization tool

rhybar.cz

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

RRset statusRRset status

Bogus (3)
  • rhybar.cz/MX
  • rhybar.cz/NS
  • rhybar.cz/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Bogus (3)
  • rhybar.cz/DNSKEY (alg 5, id 34392)
  • rhybar.cz/DNSKEY (alg 5, id 44566)
  • rhybar.cz/DNSKEY (alg 5, id 5172)
Secure (7)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 46594)
  • ./DNSKEY (alg 8, id 48903)
  • cz/DNSKEY (alg 13, id 17880)
  • cz/DNSKEY (alg 13, id 20237)
  • cz/DS (alg 13, id 20237)
  • rhybar.cz/DS (alg 13, id 61281)
Non_existent (1)
  • rhybar.cz/DNSKEY (alg 13, id 61281)

Delegation statusDelegation status

Bogus (1)
  • cz to rhybar.cz
Secure (1)
  • . to cz

NoticesNotices

Errors (30)
  • RRSIG rhybar.cz/DNSKEY alg 5, id 44566: The Signature Expiration field of the RRSIG RR (2008-10-30 08:00:58+00:00) is 4255 days in the past. See RFC 4035, Sec. 5.3.1.
  • RRSIG rhybar.cz/DNSKEY alg 5, id 44566: The Signature Expiration field of the RRSIG RR (2008-10-30 08:00:58+00:00) is 4255 days in the past. See RFC 4035, Sec. 5.3.1.
  • RRSIG rhybar.cz/DNSKEY alg 5, id 44566: The Signature Expiration field of the RRSIG RR (2008-10-30 08:00:58+00:00) is 4255 days in the past. See RFC 4035, Sec. 5.3.1.
  • RRSIG rhybar.cz/DNSKEY alg 5, id 44566: The cryptographic signature of the RRSIG RR does not properly validate. See RFC 4035, Sec. 5.3.3.
  • RRSIG rhybar.cz/DNSKEY alg 5, id 44566: The cryptographic signature of the RRSIG RR does not properly validate. See RFC 4035, Sec. 5.3.3.
  • RRSIG rhybar.cz/DNSKEY alg 5, id 44566: The cryptographic signature of the RRSIG RR does not properly validate. See RFC 4035, Sec. 5.3.3.
  • RRSIG rhybar.cz/DNSKEY alg 5, id 5172: The Signature Expiration field of the RRSIG RR (2008-10-30 08:00:58+00:00) is 4255 days in the past. See RFC 4035, Sec. 5.3.1.
  • RRSIG rhybar.cz/DNSKEY alg 5, id 5172: The Signature Expiration field of the RRSIG RR (2008-10-30 08:00:58+00:00) is 4255 days in the past. See RFC 4035, Sec. 5.3.1.
  • RRSIG rhybar.cz/DNSKEY alg 5, id 5172: The Signature Expiration field of the RRSIG RR (2008-10-30 08:00:58+00:00) is 4255 days in the past. See RFC 4035, Sec. 5.3.1.
  • RRSIG rhybar.cz/DNSKEY alg 5, id 5172: The cryptographic signature of the RRSIG RR does not properly validate. See RFC 4035, Sec. 5.3.3.
  • RRSIG rhybar.cz/DNSKEY alg 5, id 5172: The cryptographic signature of the RRSIG RR does not properly validate. See RFC 4035, Sec. 5.3.3.
  • RRSIG rhybar.cz/DNSKEY alg 5, id 5172: The cryptographic signature of the RRSIG RR does not properly validate. See RFC 4035, Sec. 5.3.3.
  • RRSIG rhybar.cz/NS alg 5, id 5172: The Signature Expiration field of the RRSIG RR (2008-10-30 08:00:58+00:00) is 4255 days in the past. See RFC 4035, Sec. 5.3.1.
  • RRSIG rhybar.cz/NS alg 5, id 5172: The cryptographic signature of the RRSIG RR does not properly validate. See RFC 4035, Sec. 5.3.3.
  • RRSIG rhybar.cz/SOA alg 5, id 5172: The Signature Expiration field of the RRSIG RR (2008-10-30 08:00:58+00:00) is 4255 days in the past. See RFC 4035, Sec. 5.3.1.
  • RRSIG rhybar.cz/SOA alg 5, id 5172: The cryptographic signature of the RRSIG RR does not properly validate. See RFC 4035, Sec. 5.3.3.
  • cz to rhybar.cz: No valid RRSIGs made by a key corresponding to a DS RR were found covering the DNSKEY RRset, resulting in no secure entry point (SEP) into the zone. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (217.31.204.70, 217.31.204.71, 2001:1488:800:400::2:70, 2001:1488:800:400::2:71, UDP_-_EDNS0_4096_D_K)
  • cz to rhybar.cz: The DS RRset for the zone included algorithm 13 (ECDSAP256SHA256), but no DS RR matched a DNSKEY with algorithm 13 that signs the zone's DNSKEY RRset. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (217.31.204.70, 217.31.204.71, 2001:1488:800:400::2:70, 2001:1488:800:400::2:71, UDP_-_EDNS0_4096_D_K)
  • rhybar.cz/DNSKEY (alg 5, id 34392): The DS RRset for the zone included algorithm 13 (ECDSAP256SHA256), but no RRSIG with algorithm 13 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (217.31.204.70, 217.31.204.71, 2001:1488:800:400::2:70, 2001:1488:800:400::2:71, UDP_-_EDNS0_4096_D_K)
  • rhybar.cz/DNSKEY (alg 5, id 44566): The DS RRset for the zone included algorithm 13 (ECDSAP256SHA256), but no RRSIG with algorithm 13 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (217.31.204.70, 217.31.204.71, 2001:1488:800:400::2:70, 2001:1488:800:400::2:71, UDP_-_EDNS0_4096_D_K)
  • rhybar.cz/DNSKEY (alg 5, id 5172): The DS RRset for the zone included algorithm 13 (ECDSAP256SHA256), but no RRSIG with algorithm 13 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (217.31.204.70, 217.31.204.71, 2001:1488:800:400::2:70, 2001:1488:800:400::2:71, UDP_-_EDNS0_4096_D_K)
  • rhybar.cz/MX: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (217.31.204.70, 217.31.204.71, 2001:1488:800:400::2:70, 2001:1488:800:400::2:71, UDP_-_EDNS0_4096_D_K, UDP_-_EDNS0_512_D_K)
  • rhybar.cz/NS: The DS RRset for the zone included algorithm 13 (ECDSAP256SHA256), but no RRSIG with algorithm 13 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (217.31.204.70, 217.31.204.71, 2001:1488:800:400::2:70, 2001:1488:800:400::2:71, UDP_-_EDNS0_4096_D_K)
  • rhybar.cz/SOA: The DS RRset for the zone included algorithm 13 (ECDSAP256SHA256), but no RRSIG with algorithm 13 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (217.31.204.70, 217.31.204.71, 2001:1488:800:400::2:70, 2001:1488:800:400::2:71, TCP_-_EDNS0_4096_D, UDP_-_EDNS0_4096_D_K, UDP_-_EDNS0_4096_D_K_0x20)
  • rhybar.cz/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • y9p216qmnu.rhybar.cz/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • rhybar.cz/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • rhybar.cz/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • rhybar.cz/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
  • rhybar.cz/TXT has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (16)
  • RRSIG rhybar.cz/DNSKEY alg 5, id 44566: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 5 (RSASHA1). See RFC 8624, Sec. 3.1.
  • RRSIG rhybar.cz/DNSKEY alg 5, id 44566: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 5 (RSASHA1). See RFC 8624, Sec. 3.1.
  • RRSIG rhybar.cz/DNSKEY alg 5, id 44566: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 5 (RSASHA1). See RFC 8624, Sec. 3.1.
  • RRSIG rhybar.cz/DNSKEY alg 5, id 5172: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 5 (RSASHA1). See RFC 8624, Sec. 3.1.
  • RRSIG rhybar.cz/DNSKEY alg 5, id 5172: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 5 (RSASHA1). See RFC 8624, Sec. 3.1.
  • RRSIG rhybar.cz/DNSKEY alg 5, id 5172: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 5 (RSASHA1). See RFC 8624, Sec. 3.1.
  • RRSIG rhybar.cz/NS alg 5, id 5172: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 5 (RSASHA1). See RFC 8624, Sec. 3.1.
  • RRSIG rhybar.cz/SOA alg 5, id 5172: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 5 (RSASHA1). See RFC 8624, Sec. 3.1.
  • cz/DS (alg 13, id 20237): 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. (192.112.36.4, UDP_-_EDNS0_4096_D_K)
  • cz/DS (alg 13, id 20237): 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. (192.112.36.4, UDP_-_EDNS0_4096_D_K)
  • rhybar.cz/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • y9p216qmnu.rhybar.cz/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • rhybar.cz/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • rhybar.cz/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • rhybar.cz/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
  • rhybar.cz/TXT 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