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DNSViz: A DNS visualization tool

glb.cdc.gov

DNSSEC options (hide)
  1. |?|
  2. |?|
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Secure (2)
  • glb.cdc.gov/NS
  • glb.cdc.gov/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (14)
  • ./DNSKEY (alg 8, id 14631)
  • ./DNSKEY (alg 8, id 20326)
  • cdc.gov/DNSKEY (alg 7, id 42473)
  • cdc.gov/DNSKEY (alg 7, id 65139)
  • cdc.gov/DS (alg 7, id 65139)
  • cdc.gov/DS (alg 7, id 65139)
  • glb.cdc.gov/DNSKEY (alg 7, id 11349)
  • glb.cdc.gov/DNSKEY (alg 7, id 19472)
  • glb.cdc.gov/DNSKEY (alg 7, id 23883)
  • glb.cdc.gov/DS (alg 7, id 23883)
  • gov/DNSKEY (alg 8, id 27306)
  • 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
  • cdc.gov to glb.cdc.gov
  • gov to cdc.gov

NoticesNotices

Errors (21)
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 11349: With a TTL of 86400 the RRSIG RR can be in the cache of a non-validating resolver until 14 hours, 55 minutes after it expires at 2021-04-14 07:11:54+00:00. See RFC 4035, Sec. 5.3.3.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 11349: With a TTL of 86400 the RRSIG RR can be in the cache of a non-validating resolver until 14 hours, 55 minutes after it expires at 2021-04-14 07:11:54+00:00. See RFC 4035, Sec. 5.3.3.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 11349: With a TTL of 86400 the RRSIG RR can be in the cache of a non-validating resolver until 14 hours, 55 minutes after it expires at 2021-04-14 07:11:54+00:00. See RFC 4035, Sec. 5.3.3.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 11349: With a TTL of 86400 the RRSIG RR can be in the cache of a non-validating resolver until 14 hours, 55 minutes after it expires at 2021-04-14 07:11:55+00:00. See RFC 4035, Sec. 5.3.3.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 11349: With a TTL of 86400 the RRSIG RR can be in the cache of a non-validating resolver until 14 hours, 55 minutes after it expires at 2021-04-14 07:11:55+00:00. See RFC 4035, Sec. 5.3.3.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 11349: With a TTL of 86400 the RRSIG RR can be in the cache of a non-validating resolver until 14 hours, 55 minutes after it expires at 2021-04-14 07:11:55+00:00. See RFC 4035, Sec. 5.3.3.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 23883: With a TTL of 86400 the RRSIG RR can be in the cache of a non-validating resolver until 14 hours, 55 minutes after it expires at 2021-04-14 07:11:54+00:00. See RFC 4035, Sec. 5.3.3.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 23883: With a TTL of 86400 the RRSIG RR can be in the cache of a non-validating resolver until 14 hours, 55 minutes after it expires at 2021-04-14 07:11:54+00:00. See RFC 4035, Sec. 5.3.3.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 23883: With a TTL of 86400 the RRSIG RR can be in the cache of a non-validating resolver until 14 hours, 55 minutes after it expires at 2021-04-14 07:11:54+00:00. See RFC 4035, Sec. 5.3.3.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 23883: With a TTL of 86400 the RRSIG RR can be in the cache of a non-validating resolver until 14 hours, 55 minutes after it expires at 2021-04-14 07:11:55+00:00. See RFC 4035, Sec. 5.3.3.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 23883: With a TTL of 86400 the RRSIG RR can be in the cache of a non-validating resolver until 14 hours, 55 minutes after it expires at 2021-04-14 07:11:55+00:00. See RFC 4035, Sec. 5.3.3.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 23883: With a TTL of 86400 the RRSIG RR can be in the cache of a non-validating resolver until 14 hours, 55 minutes after it expires at 2021-04-14 07:11:55+00:00. See RFC 4035, Sec. 5.3.3.
  • glb.cdc.gov zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (198.246.110.76, 198.246.125.102)
  • glb.cdc.gov/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (198.246.110.76, 198.246.125.102, TCP_-_EDNS0_4096_D_N)
  • glb.cdc.gov/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
  • glb.cdc.gov/MX has errors; select the "Denial of existence" DNSSEC option to see them.
  • glb.cdc.gov/TXT has errors; select the "Denial of existence" DNSSEC option to see them.
  • glb.cdc.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • glb.cdc.gov/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • 31li7dyh8q.glb.cdc.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • glb.cdc.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (43)
  • RRSIG cdc.gov/DNSKEY alg 7, id 42473: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG cdc.gov/DNSKEY alg 7, id 42473: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG cdc.gov/DNSKEY alg 7, id 65139: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG cdc.gov/DNSKEY alg 7, id 65139: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 11349: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 11349: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 11349: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 11349: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 11349: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 11349: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 19472: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 19472: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 19472: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 19472: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 19472: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 19472: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 23883: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 23883: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 23883: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 23883: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 23883: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG glb.cdc.gov/DNSKEY alg 7, id 23883: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG glb.cdc.gov/DS alg 7, id 42473: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG glb.cdc.gov/NS alg 7, id 19472: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG glb.cdc.gov/NS alg 7, id 19472: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG glb.cdc.gov/SOA alg 7, id 19472: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG glb.cdc.gov/SOA alg 7, id 19472: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • cdc.gov/DS (alg 7, id 65139): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • cdc.gov/DS (alg 7, id 65139): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • cdc.gov/DS (alg 7, id 65139): 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.
  • cdc.gov/DS (alg 7, id 65139): 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.
  • glb.cdc.gov/DS (alg 7, id 23883): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • glb.cdc.gov/DS (alg 7, id 23883): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • 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 See RFC 1034, Sec. 4.2.2.
  • 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 See RFC 1034, Sec. 4.2.2.
  • glb.cdc.gov/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
  • glb.cdc.gov/MX has warnings; select the "Denial of existence" DNSSEC option to see them.
  • glb.cdc.gov/TXT has warnings; select the "Denial of existence" DNSSEC option to see them.
  • glb.cdc.gov/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • glb.cdc.gov/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • 31li7dyh8q.glb.cdc.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • glb.cdc.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • glb.cdc.gov/DS 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