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DNSViz: A DNS visualization tool

covid.cdc.gov

Updated: 2022-07-29 11:24:15 UTC (645 days ago) Update now
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DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Bogus (3)
  • akam.cdc.gov/SOA
  • covid.akam.cdc.gov/A (NXDOMAIN)
  • covid.akam.cdc.gov/AAAA (NXDOMAIN)
Secure (5)
  • covid.akam.cdc.gov/A
  • covid.akam.cdc.gov/A
  • covid.akam.cdc.gov/AAAA
  • covid.akam.cdc.gov/AAAA
  • covid.cdc.gov/CNAME

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (17)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 20826)
  • akam.cdc.gov/DNSKEY (alg 10, id 1993)
  • akam.cdc.gov/DNSKEY (alg 10, id 3416)
  • akam.cdc.gov/DNSKEY (alg 10, id 4524)
  • akam.cdc.gov/DNSKEY (alg 10, id 50216)
  • akam.cdc.gov/DS (alg 10, id 1993)
  • cdc.gov/DNSKEY (alg 7, id 22842)
  • cdc.gov/DNSKEY (alg 7, id 47169)
  • cdc.gov/DNSKEY (alg 7, id 49888)
  • cdc.gov/DS (alg 7, id 47169)
  • cdc.gov/DS (alg 7, id 47169)
  • cdc.gov/DS (alg 7, id 49888)
  • cdc.gov/DS (alg 7, id 49888)
  • gov/DNSKEY (alg 8, id 261)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)

Delegation statusDelegation status

Secure (3)
  • . to gov
  • cdc.gov to akam.cdc.gov
  • gov to cdc.gov

NoticesNotices

Errors (7)
  • akam.cdc.gov/DNSKEY (alg 10, id 1993): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • akam.cdc.gov/DNSKEY (alg 10, id 50216): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • akam.cdc.gov/SOA: No RRSIG covering the RRset was returned in the response. (198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN)
  • cdc.gov to akam.cdc.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. (198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • cdc.gov to akam.cdc.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. (198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • covid.akam.cdc.gov/A (NXDOMAIN): No NSEC RR(s) were returned to validate the NXDOMAIN response. (198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN)
  • covid.akam.cdc.gov/AAAA (NXDOMAIN): No NSEC RR(s) were returned to validate the NXDOMAIN response. (198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN)
Warnings (36)
  • RRSIG akam.cdc.gov/DNSKEY alg 10, id 1993: DNSSEC specification recommends not signing with DNSSEC algorithm 10 (RSASHA512).
  • RRSIG akam.cdc.gov/DNSKEY alg 10, id 1993: DNSSEC specification recommends not signing with DNSSEC algorithm 10 (RSASHA512).
  • RRSIG akam.cdc.gov/DNSKEY alg 10, id 1993: DNSSEC specification recommends not signing with DNSSEC algorithm 10 (RSASHA512).
  • RRSIG akam.cdc.gov/DNSKEY alg 10, id 1993: DNSSEC specification recommends not signing with DNSSEC algorithm 10 (RSASHA512).
  • RRSIG akam.cdc.gov/DNSKEY alg 10, id 4524: DNSSEC specification recommends not signing with DNSSEC algorithm 10 (RSASHA512).
  • RRSIG akam.cdc.gov/DNSKEY alg 10, id 4524: DNSSEC specification recommends not signing with DNSSEC algorithm 10 (RSASHA512).
  • RRSIG akam.cdc.gov/DNSKEY alg 10, id 4524: DNSSEC specification recommends not signing with DNSSEC algorithm 10 (RSASHA512).
  • RRSIG akam.cdc.gov/DNSKEY alg 10, id 4524: DNSSEC specification recommends not signing with DNSSEC algorithm 10 (RSASHA512).
  • RRSIG akam.cdc.gov/DS alg 7, id 22842: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG cdc.gov/DNSKEY alg 7, id 22842: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG cdc.gov/DNSKEY alg 7, id 22842: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG cdc.gov/DNSKEY alg 7, id 22842: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG cdc.gov/DNSKEY alg 7, id 47169: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG cdc.gov/DNSKEY alg 7, id 47169: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG cdc.gov/DNSKEY alg 7, id 47169: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG cdc.gov/DNSKEY alg 7, id 49888: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG cdc.gov/DNSKEY alg 7, id 49888: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG cdc.gov/DNSKEY alg 7, id 49888: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG covid.akam.cdc.gov/A alg 10, id 50216: DNSSEC specification recommends not signing with DNSSEC algorithm 10 (RSASHA512).
  • RRSIG covid.akam.cdc.gov/A alg 10, id 50216: DNSSEC specification recommends not signing with DNSSEC algorithm 10 (RSASHA512).
  • RRSIG covid.akam.cdc.gov/AAAA alg 10, id 50216: DNSSEC specification recommends not signing with DNSSEC algorithm 10 (RSASHA512).
  • RRSIG covid.akam.cdc.gov/AAAA alg 10, id 50216: DNSSEC specification recommends not signing with DNSSEC algorithm 10 (RSASHA512).
  • RRSIG covid.cdc.gov/CNAME alg 7, id 22842: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • RRSIG covid.cdc.gov/CNAME alg 7, id 22842: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
  • akam.cdc.gov/DNSKEY (alg 10, id 3416): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • akam.cdc.gov/DNSKEY (alg 10, id 4524): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • cdc.gov/DS (alg 7, id 47169): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
  • cdc.gov/DS (alg 7, id 47169): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
  • cdc.gov/DS (alg 7, id 47169): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.
  • cdc.gov/DS (alg 7, id 47169): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.
  • cdc.gov/DS (alg 7, id 49888): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
  • cdc.gov/DS (alg 7, id 49888): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
  • cdc.gov/DS (alg 7, id 49888): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.
  • cdc.gov/DS (alg 7, id 49888): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.
  • gov to cdc.gov: The following NS name(s) were found in the authoritative NS RRset, but not in the delegation NS RRset (i.e., in the gov zone): icdc-us-ns1.cdc.gov, icdc-us-ns3.cdc.gov, icdc-us-ns2.cdc.gov
  • gov to cdc.gov: The following NS name(s) were found in the delegation NS RRset (i.e., in the gov zone), but not in the authoritative NS RRset: auth00.ns.uu.net, auth100.ns.uu.net

DNSKEY legend

Full legend
SEP bit setSEP bit set
Revoke bit setRevoke bit set
Trust anchorTrust anchor
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DNSSEC authentication graph