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DNSViz: A DNS visualization tool

cdc.gov

DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Bogus (2)
  • cdc.gov/NSEC3PARAM
  • cdc.gov/SOA
Secure (6)
  • cdc.gov/A
  • cdc.gov/MX
  • cdc.gov/NS
  • cdc.gov/NSEC3PARAM (NODATA)
  • cdc.gov/SOA
  • cdc.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Bogus (3)
  • cdc.gov/DNSKEY (alg 7, id 26370)
  • cdc.gov/DNSKEY (alg 7, id 33957)
  • cdc.gov/DNSKEY (alg 7, id 54678)
Secure (10)
  • ./DNSKEY (alg 8, id 20038)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 5613)
  • NSEC proving non-existence of cdc.gov/NSEC3PARAM
  • cdc.gov/DNSKEY (alg 8, id 21719)
  • cdc.gov/DNSKEY (alg 8, id 29991)
  • cdc.gov/DS (alg 8, id 21719)
  • gov/DNSKEY (alg 13, id 2536)
  • gov/DNSKEY (alg 13, id 35496)
  • gov/DS (alg 13, id 2536)

Delegation statusDelegation status

Secure (2)
  • . to gov
  • gov to cdc.gov

NoticesNotices

Errors (40)
  • NSEC proving non-existence of cdc.gov/NSEC3PARAM: The DNSKEY 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. (198.6.1.202, 198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN)
  • NSEC proving non-existence of cdc.gov/NSEC3PARAM: The DNSKEY 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. (198.6.1.202, 198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN)
  • NSEC proving non-existence of cdc.gov/NSEC3PARAM: The following queries resulted in an answer response, even though the bitmap in the NSEC RR indicates that the queried records don't exist: cdc.gov/NSEC3PARAM See RFC 4035, Sec. 3.1.3.1.
  • NSEC proving non-existence of cdc.gov/NSEC3PARAM: The following queries resulted in an answer response, even though the bitmap in the NSEC RR indicates that the queried records don't exist: cdc.gov/NSEC3PARAM See RFC 4035, Sec. 3.1.3.1.
  • cdc.gov/A: The DNSKEY 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. (198.6.1.202, 198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN)
  • cdc.gov/A: The DNSKEY RRset for the zone included algorithm 8 (RSASHA256), but no RRSIG with algorithm 8 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (198.6.1.65, UDP_-_EDNS0_4096_D_KN)
  • cdc.gov/A: The DS RRset for the zone included algorithm 8 (RSASHA256), but no RRSIG with algorithm 8 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (198.6.1.65, UDP_-_EDNS0_4096_D_KN)
  • cdc.gov/DNSKEY (alg 7, id 26370): The DNSKEY RRset for the zone included algorithm 8 (RSASHA256), but no RRSIG with algorithm 8 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (198.6.1.65, TCP_-_EDNS0_4096_D_KN)
  • cdc.gov/DNSKEY (alg 7, id 26370): The DS RRset for the zone included algorithm 8 (RSASHA256), but no RRSIG with algorithm 8 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (198.6.1.65, TCP_-_EDNS0_4096_D_KN)
  • cdc.gov/DNSKEY (alg 7, id 33957): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (198.6.1.202, 198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN)
  • cdc.gov/DNSKEY (alg 7, id 33957): The DNSKEY RRset for the zone included algorithm 8 (RSASHA256), but no RRSIG with algorithm 8 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (198.6.1.65, TCP_-_EDNS0_4096_D_KN)
  • cdc.gov/DNSKEY (alg 7, id 33957): The DS RRset for the zone included algorithm 8 (RSASHA256), but no RRSIG with algorithm 8 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (198.6.1.65, TCP_-_EDNS0_4096_D_KN)
  • cdc.gov/DNSKEY (alg 7, id 54678): The DNSKEY RRset for the zone included algorithm 8 (RSASHA256), but no RRSIG with algorithm 8 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (198.6.1.65, TCP_-_EDNS0_4096_D_KN)
  • cdc.gov/DNSKEY (alg 7, id 54678): The DS RRset for the zone included algorithm 8 (RSASHA256), but no RRSIG with algorithm 8 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (198.6.1.65, TCP_-_EDNS0_4096_D_KN)
  • cdc.gov/DNSKEY (alg 8, id 21719): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (198.6.1.65, TCP_-_EDNS0_4096_D_KN)
  • cdc.gov/DNSKEY (alg 8, id 21719): The DNSKEY 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. (198.6.1.202, 198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN)
  • cdc.gov/DNSKEY (alg 8, id 29991): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (198.6.1.65, TCP_-_EDNS0_4096_D_KN)
  • cdc.gov/DNSKEY (alg 8, id 29991): The DNSKEY 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. (198.6.1.202, 198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN)
  • cdc.gov/MX: The DNSKEY 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. (198.6.1.202, 198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • cdc.gov/MX: The DNSKEY RRset for the zone included algorithm 8 (RSASHA256), but no RRSIG with algorithm 8 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (198.6.1.65, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • cdc.gov/MX: The DS RRset for the zone included algorithm 8 (RSASHA256), but no RRSIG with algorithm 8 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (198.6.1.65, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • cdc.gov/NS: The DNSKEY 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. (198.6.1.202, 198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN)
  • cdc.gov/NS: The DNSKEY RRset for the zone included algorithm 8 (RSASHA256), but no RRSIG with algorithm 8 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (198.6.1.65, UDP_-_EDNS0_4096_D_KN)
  • cdc.gov/NS: The DS RRset for the zone included algorithm 8 (RSASHA256), but no RRSIG with algorithm 8 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (198.6.1.65, UDP_-_EDNS0_4096_D_KN)
  • cdc.gov/NSEC3PARAM: The DNSKEY RRset for the zone included algorithm 8 (RSASHA256), but no RRSIG with algorithm 8 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (198.6.1.65, UDP_-_EDNS0_4096_D_KN)
  • cdc.gov/NSEC3PARAM: The DS RRset for the zone included algorithm 8 (RSASHA256), but no RRSIG with algorithm 8 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (198.6.1.65, UDP_-_EDNS0_4096_D_KN)
  • cdc.gov/SOA: The DNSKEY 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. (198.6.1.202, 198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN)
  • cdc.gov/SOA: The DNSKEY RRset for the zone included algorithm 8 (RSASHA256), but no RRSIG with algorithm 8 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (198.6.1.65, TCP_-_EDNS0_4096_D_N, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
  • cdc.gov/SOA: The DS RRset for the zone included algorithm 8 (RSASHA256), but no RRSIG with algorithm 8 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (198.6.1.65, TCP_-_EDNS0_4096_D_N, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
  • cdc.gov/TXT: The DNSKEY 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. (198.6.1.202, 198.246.96.61, 198.246.96.92, 198.246.125.10, TCP_-_EDNS0_4096_D_KN)
  • cdc.gov/TXT: The DNSKEY RRset for the zone included algorithm 8 (RSASHA256), but no RRSIG with algorithm 8 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (198.6.1.65, TCP_-_EDNS0_4096_D_KN)
  • cdc.gov/TXT: The DS RRset for the zone included algorithm 8 (RSASHA256), but no RRSIG with algorithm 8 covering the RRset was returned in the response. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (198.6.1.65, TCP_-_EDNS0_4096_D_KN)
  • gov to 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. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (198.6.1.65, TCP_-_EDNS0_4096_D_KN)
  • gov to cdc.gov: The DS RRset for the zone included algorithm 8 (RSASHA256), but no DS RR matched a DNSKEY with algorithm 8 that signs the zone's DNSKEY RRset. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (198.6.1.65, TCP_-_EDNS0_4096_D_KN)
  • cdc.gov/CDS has errors; select the "Denial of existence" DNSSEC option to see them.
  • cdc.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • cdc.gov/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
  • cdc.gov/CDNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • cdc.gov/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • 54r9k.gupfs.cdc.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (24)
  • RRSIG cdc.gov/A alg 7, id 33957: 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 26370: 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 26370: 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 26370: 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 33957: 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 33957: 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 33957: 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 54678: 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 54678: 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 54678: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG cdc.gov/MX alg 7, id 33957: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG cdc.gov/NS alg 7, id 33957: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG cdc.gov/NSEC3PARAM alg 7, id 33957: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG cdc.gov/SOA alg 7, id 33957: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG cdc.gov/TXT alg 7, id 33957: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • cdc.gov/DNSKEY (alg 7, id 26370): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (198.6.1.202, 198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN)
  • cdc.gov/DNSKEY (alg 7, id 54678): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (198.6.1.202, 198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN)
  • 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.
  • cdc.gov/CDS has warnings; select the "Denial of existence" DNSSEC option to see them.
  • 54r9k.gupfs.cdc.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • cdc.gov/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
  • cdc.gov/CDNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • cdc.gov/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • cdc.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
Download: png | svg
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DNSSEC authentication graph