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DNSViz: A DNS visualization tool

ualr.edu

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

RRset statusRRset status

Secure (6)
  • ualr.edu/A
  • ualr.edu/MX
  • ualr.edu/NS
  • ualr.edu/NSEC3PARAM
  • ualr.edu/SOA
  • ualr.edu/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (10)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 30903)
  • ./DNSKEY (alg 8, id 5613)
  • edu/DNSKEY (alg 13, id 30678)
  • edu/DNSKEY (alg 13, id 35663)
  • edu/DS (alg 13, id 35663)
  • ualr.edu/DNSKEY (alg 13, id 26234)
  • ualr.edu/DNSKEY (alg 13, id 480)
  • ualr.edu/DS (alg 13, id 26234)
  • ualr.edu/DS (alg 7, id 52161)
Non_existent (1)
  • ualr.edu/DNSKEY (alg 7, id 52161)

Delegation statusDelegation status

Secure (2)
  • . to edu
  • edu to ualr.edu

NoticesNotices

Errors (28)
  • edu to ualr.edu: The DS RRset for the zone included algorithm 7 (RSASHA1NSEC3SHA1), but no DS RR matched a DNSKEY with algorithm 7 that signs the zone's DNSKEY RRset. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (2620:e8:0:3::3, 2620:e8:0:a::30, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • ualr.edu zone: The server(s) responded over TCP with a malformed response or with an invalid RCODE. See RFC 1035, Sec. 4.1.1. (2620:e8:0:3::3, 2620:e8:0:8::1)
  • ualr.edu zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (2620:e8:0:e::1)
  • ualr.edu zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (130.184.15.85, 144.167.5.50, 144.167.10.1, 144.167.10.48, 2620:e8:0:5::32, 2620:e8:0:a::1)
  • ualr.edu/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (130.184.15.85, 144.167.5.50, 144.167.8.1, 144.167.10.1, 144.167.10.48, 144.167.14.1, 2620:e8:0:5::32, 2620:e8:0:a::1, UDP_-_NOEDNS_)
  • ualr.edu/A: The DS RRset for the zone included algorithm 7 (RSASHA1NSEC3SHA1), but no RRSIG with algorithm 7 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (144.167.3.3, 2620:e8:0:3::3, 2620:e8:0:8::1, 2620:e8:0:a::30, 2620:e8:0:e::1, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_N)
  • ualr.edu/DNSKEY (alg 13, id 26234): The DS RRset for the zone included algorithm 7 (RSASHA1NSEC3SHA1), but no RRSIG with algorithm 7 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (2620:e8:0:3::3, 2620:e8:0:a::30, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • ualr.edu/DNSKEY (alg 13, id 480): The DS RRset for the zone included algorithm 7 (RSASHA1NSEC3SHA1), but no RRSIG with algorithm 7 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (2620:e8:0:3::3, 2620:e8:0:a::30, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • ualr.edu/DNSKEY: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (144.167.3.3, 144.167.8.1, 144.167.14.1, 2620:e8:0:8::1, 2620:e8:0:e::1, UDP_-_NOEDNS_)
  • ualr.edu/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (144.167.3.3, 144.167.8.1, 144.167.14.1, 2620:e8:0:3::3, 2620:e8:0:8::1, 2620:e8:0:e::1, UDP_-_EDNS0_512_D_KN)
  • ualr.edu/MX: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (144.167.3.3, 144.167.8.1, 144.167.14.1, 2620:e8:0:e::1, UDP_-_NOEDNS_)
  • ualr.edu/MX: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (144.167.3.3, 144.167.8.1, 144.167.14.1, 2620:e8:0:8::1, 2620:e8:0:e::1, UDP_-_EDNS0_512_D_KN)
  • ualr.edu/MX: No response was received from the server over UDP (tried 7 times). See RFC 1035, Sec. 4.2. (2620:e8:0:3::3, UDP_-_EDNS0_4096_)
  • ualr.edu/MX: No response was received from the server over UDP (tried 9 times). See RFC 1035, Sec. 4.2. (2620:e8:0:8::1, UDP_-_EDNS0_4096_D)
  • ualr.edu/MX: The DS RRset for the zone included algorithm 7 (RSASHA1NSEC3SHA1), but no RRSIG with algorithm 7 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (2620:e8:0:3::3, 2620:e8:0:a::30, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • ualr.edu/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (130.184.15.85, 144.167.5.50, 144.167.10.1, 144.167.10.48, 2620:e8:0:3::3, 2620:e8:0:5::32, 2620:e8:0:8::1, 2620:e8:0:a::1, UDP_-_NOEDNS_)
  • ualr.edu/NS: The DS RRset for the zone included algorithm 7 (RSASHA1NSEC3SHA1), but no RRSIG with algorithm 7 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (144.167.3.3, 144.167.8.1, 144.167.14.1, 2620:e8:0:a::30, 2620:e8:0:e::1, UDP_-_EDNS0_4096_D, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_N)
  • ualr.edu/NSEC3PARAM: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (144.167.3.3, 144.167.14.1, 2620:e8:0:3::3, 2620:e8:0:8::1, 2620:e8:0:e::1, UDP_-_NOEDNS_)
  • ualr.edu/NSEC3PARAM: The DS RRset for the zone included algorithm 7 (RSASHA1NSEC3SHA1), but no RRSIG with algorithm 7 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (144.167.8.1, 2620:e8:0:a::30, UDP_-_EDNS0_4096_D, UDP_-_EDNS0_4096_D_KN)
  • ualr.edu/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (2620:e8:0:3::3, 2620:e8:0:8::1, 2620:e8:0:e::1, TCP_-_EDNS0_4096_D_N)
  • ualr.edu/SOA: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (144.167.3.3, 144.167.8.1, 144.167.14.1, 2620:e8:0:3::3, 2620:e8:0:8::1, 2620:e8:0:e::1, UDP_-_NOEDNS_, UDP_-_NOEDNS__0x20)
  • ualr.edu/SOA: The DS RRset for the zone included algorithm 7 (RSASHA1NSEC3SHA1), but no RRSIG with algorithm 7 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (144.167.3.3, 144.167.8.1, 144.167.14.1, 2620:e8:0:a::30, 2620:e8:0:e::1, TCP_-_EDNS0_4096_D_N, UDP_-_EDNS0_4096_D, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
  • ualr.edu/TXT: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (144.167.3.3, 144.167.8.1, 144.167.14.1, 2620:e8:0:3::3, 2620:e8:0:8::1, 2620:e8:0:e::1, UDP_-_NOEDNS_)
  • ualr.edu/TXT: The DS RRset for the zone included algorithm 7 (RSASHA1NSEC3SHA1), but no RRSIG with algorithm 7 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (2620:e8:0:a::30, UDP_-_EDNS0_4096_D_KN)
  • 31v8ifbeuq.ualr.edu/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • ualr.edu/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • ualr.edu/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • ualr.edu/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (14)
  • edu to ualr.edu: A glue records exist for ns.ualr.edu, but there are no corresponding authoritative A records. See RFC 1034, Sec. 4.2.2.
  • edu to ualr.edu: The following NS name(s) were found in the authoritative NS RRset, but not in the delegation NS RRset (i.e., in the edu zone): ns6.ualr.edu, ns5.ualr.edu, ns7.ualr.edu See RFC 1034, Sec. 4.2.2.
  • ualr.edu/A: No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed (however, this server appeared to respond legitimately to other queries with the COOKIE EDNS option present). See RFC 6891, Sec. 6.1.2. (2620:e8:0:3::3, UDP_-_EDNS0_4096_D_KN)
  • ualr.edu/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. (144.167.3.3, UDP_-_EDNS0_4096_D_KN)
  • ualr.edu/DS (alg 7, id 52161): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • ualr.edu/DS (alg 7, id 52161): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • ualr.edu/DS (alg 7, id 52161): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
  • ualr.edu/DS (alg 7, id 52161): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
  • ualr.edu/NS: No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed. See RFC 6891, Sec. 6.1.2. (144.167.14.1, UDP_-_EDNS0_4096_D_KN)
  • ualr.edu/NS: No response was received from the server over UDP (tried 7 times) until the NSID EDNS option was removed. See RFC 6891, Sec. 6.1.2. (144.167.8.1, UDP_-_EDNS0_4096_D_KN)
  • ualr.edu/SOA: No response was received from the server over UDP (tried 7 times) until the NSID EDNS option was removed (however, this server appeared to respond legitimately to other queries with the NSID EDNS option present). See RFC 6891, Sec. 6.1.2. (144.167.14.1, UDP_-_EDNS0_4096_D_KN)
  • 31v8ifbeuq.ualr.edu/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • ualr.edu/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • ualr.edu/AAAA 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