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DNSViz: A DNS visualization tool

cod.ed.gov

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

RRset statusRRset status

Bogus (2)
  • cod.ed.gov/NS
  • cod.ed.gov/SOA
Secure (6)
  • cod.ed.gov/A
  • cod.ed.gov/AAAA
  • cod.ed.gov/MX
  • cod.ed.gov/NS
  • cod.ed.gov/SOA
  • cod.ed.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Bogus (3)
  • cod.ed.gov/DNSKEY (alg 10, id 11975)
  • cod.ed.gov/DNSKEY (alg 10, id 44543)
  • cod.ed.gov/DNSKEY (alg 10, id 47853)
Secure (18)
  • ./DNSKEY (alg 8, id 14631)
  • ./DNSKEY (alg 8, id 20326)
  • cod.ed.gov/DNSKEY (alg 10, id 1643)
  • cod.ed.gov/DNSKEY (alg 10, id 23078)
  • cod.ed.gov/DNSKEY (alg 10, id 31677)
  • cod.ed.gov/DS (alg 10, id 31677)
  • cod.ed.gov/DS (alg 10, id 31677)
  • ed.gov/DNSKEY (alg 7, id 2283)
  • ed.gov/DNSKEY (alg 7, id 28460)
  • ed.gov/DNSKEY (alg 7, id 36729)
  • ed.gov/DNSKEY (alg 7, id 49055)
  • ed.gov/DS (alg 7, id 2283)
  • ed.gov/DS (alg 7, id 2283)
  • ed.gov/DS (alg 7, id 36729)
  • ed.gov/DS (alg 7, id 36729)
  • gov/DNSKEY (alg 8, id 48498)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)

Delegation statusDelegation status

Secure (3)
  • . to gov
  • ed.gov to cod.ed.gov
  • gov to ed.gov

NoticesNotices

Errors (7)
  • cod.ed.gov/DNSKEY (alg 10, id 11975): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (152.180.48.5, UDP_-_EDNS0_4096_D_KN)
  • cod.ed.gov/DNSKEY (alg 10, id 1643): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (152.180.47.5, UDP_-_EDNS0_4096_D_KN)
  • cod.ed.gov/DNSKEY (alg 10, id 31677): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (152.180.47.5, UDP_-_EDNS0_4096_D_KN)
  • ed.gov to cod.ed.gov: 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. (152.180.47.5, UDP_-_EDNS0_4096_D_KN)
  • ed.gov to cod.ed.gov: The DS RRset for the zone included algorithm 10 (RSASHA512), but no DS RR matched a DNSKEY with algorithm 10 that signs the zone's DNSKEY RRset. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (152.180.47.5, UDP_-_EDNS0_4096_D_KN)
  • x4si1noyug.cod.ed.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • cod.ed.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (53)
  • RRSIG cod.ed.gov/A alg 10, id 11975: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/A alg 10, id 1643: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/AAAA alg 10, id 11975: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/AAAA alg 10, id 1643: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/DNSKEY alg 10, id 11975: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/DNSKEY alg 10, id 11975: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/DNSKEY alg 10, id 11975: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/DNSKEY alg 10, id 1643: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/DNSKEY alg 10, id 1643: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/DNSKEY alg 10, id 1643: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/DNSKEY alg 10, id 31677: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/DNSKEY alg 10, id 31677: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/DNSKEY alg 10, id 31677: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/DNSKEY alg 10, id 47853: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/DNSKEY alg 10, id 47853: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/DNSKEY alg 10, id 47853: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/DS alg 7, id 49055: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/DS alg 7, id 49055: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/MX alg 10, id 11975: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/MX alg 10, id 1643: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/NS alg 10, id 11975: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/NS alg 10, id 1643: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/SOA alg 10, id 11975: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/SOA alg 10, id 1643: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/TXT alg 10, id 11975: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cod.ed.gov/TXT alg 10, id 1643: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG ed.gov/DNSKEY alg 7, id 2283: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG ed.gov/DNSKEY alg 7, id 2283: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG ed.gov/DNSKEY alg 7, id 2283: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG ed.gov/DNSKEY alg 7, id 2283: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG ed.gov/DNSKEY alg 7, id 49055: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG ed.gov/DNSKEY alg 7, id 49055: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG ed.gov/DNSKEY alg 7, id 49055: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG ed.gov/DNSKEY alg 7, id 49055: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • cod.ed.gov/DNSKEY (alg 10, id 23078): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (152.180.47.5, UDP_-_EDNS0_4096_D_KN)
  • cod.ed.gov/DNSKEY (alg 10, id 44543): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (152.180.48.5, UDP_-_EDNS0_4096_D_KN)
  • cod.ed.gov/DNSKEY (alg 10, id 47853): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (152.180.48.5, UDP_-_EDNS0_4096_D_KN)
  • cod.ed.gov/DS (alg 10, id 31677): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • cod.ed.gov/DS (alg 10, id 31677): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • cod.ed.gov/DS (alg 10, id 31677): 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.
  • cod.ed.gov/DS (alg 10, id 31677): 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.
  • ed.gov/DS (alg 7, id 2283): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • ed.gov/DS (alg 7, id 2283): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • ed.gov/DS (alg 7, id 2283): 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.
  • ed.gov/DS (alg 7, id 2283): 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.
  • ed.gov/DS (alg 7, id 36729): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • ed.gov/DS (alg 7, id 36729): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • ed.gov/DS (alg 7, id 36729): 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.
  • ed.gov/DS (alg 7, id 36729): 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.
  • cod.ed.gov/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • x4si1noyug.cod.ed.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • cod.ed.gov/DS has warnings; select the "Denial of existence" DNSSEC option to see them.
  • cod.ed.gov/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