View on GitHub

DNSViz: A DNS visualization tool

fdsys.gov

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

RRset statusRRset status

Bogus (2)
  • fdsys.gov/NSEC3PARAM
  • fdsys.gov/NSEC3PARAM (NODATA)
Secure (5)
  • fdsys.gov/A
  • fdsys.gov/NS
  • fdsys.gov/NSEC3PARAM
  • fdsys.gov/SOA
  • fdsys.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (10)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 26838)
  • fdsys.gov/DNSKEY (alg 8, id 41200)
  • fdsys.gov/DNSKEY (alg 8, id 52425)
  • fdsys.gov/DNSKEY (alg 8, id 6216)
  • fdsys.gov/DS (alg 8, id 41200)
  • fdsys.gov/DS (alg 8, id 41200)
  • gov/DNSKEY (alg 8, id 57735)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)

Delegation statusDelegation status

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

NoticesNotices

Errors (20)
  • RRSIG fdsys.gov/NSEC3PARAM alg 8, id 52425: The Signature Inception field of the RRSIG RR (2021-08-11 18:39:51+00:00) is 1 minute in the future. See RFC 4035, Sec. 5.3.1.
  • RRSIG fdsys.gov/NSEC3PARAM alg 8, id 6216: The Signature Inception field of the RRSIG RR (2021-08-11 18:39:51+00:00) is 1 minute in the future. See RFC 4035, Sec. 5.3.1.
  • RRSIG fdsys.gov/TXT alg 8, id 52425: The Signature Inception field of the RRSIG RR (2021-08-11 18:39:51+00:00) is 1 minute in the future. See RFC 4035, Sec. 5.3.1.
  • RRSIG fdsys.gov/TXT alg 8, id 6216: The Signature Inception field of the RRSIG RR (2021-08-11 18:39:51+00:00) is 1 minute in the future. See RFC 4035, Sec. 5.3.1.
  • fdsys.gov/A: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (162.140.15.100, 162.140.254.200, UDP_-_EDNS0_4096_D_KN)
  • fdsys.gov/DNSKEY (alg 8, id 41200): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (162.140.15.100, 162.140.254.200, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • fdsys.gov/DNSKEY (alg 8, id 52425): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (162.140.15.100, 162.140.254.200, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • fdsys.gov/DNSKEY (alg 8, id 6216): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (162.140.15.100, 162.140.254.200, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • fdsys.gov/DNSKEY: The response (323 bytes) was malformed. (162.140.64.100, 162.140.252.180, UDP_-_EDNS0_512_D_KN)
  • fdsys.gov/NS: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (162.140.15.100, 162.140.254.200, UDP_-_EDNS0_4096_D_KN)
  • fdsys.gov/NSEC3PARAM (NODATA): No NSEC RR(s) were returned to validate the NODATA response. See RFC 4035, Sec. 3.1.3.1, RFC 5155, Sec. 7.2.3, RFC 5155, Sec. 7.2.4. (162.140.15.100, 162.140.254.200, UDP_-_EDNS0_4096_D_KN)
  • fdsys.gov/SOA: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (162.140.15.100, 162.140.254.200, TCP_-_EDNS0_4096_D_N, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
  • fdsys.gov/TXT: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (162.140.15.100, 162.140.254.200, UDP_-_EDNS0_4096_D_KN)
  • gov to fdsys.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. (162.140.15.100, 162.140.254.200, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • gov to fdsys.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. (162.140.15.100, 162.140.254.200, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • gfecoz8n5j.fdsys.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • fdsys.gov/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
  • fdsys.gov/MX has errors; select the "Denial of existence" DNSSEC option to see them.
  • fdsys.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • fdsys.gov/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (17)
  • RRSIG fdsys.gov/A alg 8, id 52425: The value of the Signature Inception field of the RRSIG RR (2021-08-11 18:38:11+00:00) is within possible clock skew range (17 seconds) of the current time (2021-08-11 18:38:28+00:00). See RFC 4035, Sec. 5.3.1.
  • RRSIG fdsys.gov/A alg 8, id 52425: The value of the Signature Inception field of the RRSIG RR (2021-08-11 18:38:20+00:00) is within possible clock skew range (8 seconds) of the current time (2021-08-11 18:38:28+00:00). See RFC 4035, Sec. 5.3.1.
  • RRSIG fdsys.gov/A alg 8, id 6216: The value of the Signature Inception field of the RRSIG RR (2021-08-11 18:38:11+00:00) is within possible clock skew range (17 seconds) of the current time (2021-08-11 18:38:28+00:00). See RFC 4035, Sec. 5.3.1.
  • RRSIG fdsys.gov/A alg 8, id 6216: The value of the Signature Inception field of the RRSIG RR (2021-08-11 18:38:20+00:00) is within possible clock skew range (8 seconds) of the current time (2021-08-11 18:38:28+00:00). See RFC 4035, Sec. 5.3.1.
  • RRSIG fdsys.gov/NSEC3PARAM alg 8, id 52425: The value of the Signature Inception field of the RRSIG RR (2021-08-11 18:38:20+00:00) is within possible clock skew range (8 seconds) of the current time (2021-08-11 18:38:28+00:00). See RFC 4035, Sec. 5.3.1.
  • RRSIG fdsys.gov/NSEC3PARAM alg 8, id 6216: The value of the Signature Inception field of the RRSIG RR (2021-08-11 18:38:20+00:00) is within possible clock skew range (8 seconds) of the current time (2021-08-11 18:38:28+00:00). See RFC 4035, Sec. 5.3.1.
  • RRSIG fdsys.gov/TXT alg 8, id 52425: The value of the Signature Inception field of the RRSIG RR (2021-08-11 18:38:20+00:00) is within possible clock skew range (8 seconds) of the current time (2021-08-11 18:38:28+00:00). See RFC 4035, Sec. 5.3.1.
  • RRSIG fdsys.gov/TXT alg 8, id 6216: The value of the Signature Inception field of the RRSIG RR (2021-08-11 18:38:20+00:00) is within possible clock skew range (8 seconds) of the current time (2021-08-11 18:38:28+00:00). See RFC 4035, Sec. 5.3.1.
  • fdsys.gov/DS (alg 8, id 41200): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • fdsys.gov/DS (alg 8, id 41200): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • fdsys.gov/DS (alg 8, id 41200): 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.
  • fdsys.gov/DS (alg 8, id 41200): 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.
  • gov to fdsys.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): ns3.fdsys.gov, ns4.fdsys.gov See RFC 1034, Sec. 4.2.2.
  • gfecoz8n5j.fdsys.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • fdsys.gov/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
  • fdsys.gov/MX has warnings; select the "Denial of existence" DNSSEC option to see them.
  • fdsys.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
Warning JavaScript is required to make the graph below interactive.
DNSSEC authentication graph