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DNSViz: A DNS visualization tool

uscis.gov

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

RRset statusRRset status

Secure (7)
  • uscis.gov/A
  • uscis.gov/A
  • uscis.gov/AAAA
  • uscis.gov/NS
  • uscis.gov/NSEC3PARAM
  • uscis.gov/SOA
  • uscis.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (9)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 60955)
  • gov/DNSKEY (alg 8, id 50011)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)
  • uscis.gov/DNSKEY (alg 8, id 19446)
  • uscis.gov/DNSKEY (alg 8, id 24663)
  • uscis.gov/DNSKEY (alg 8, id 32572)
  • uscis.gov/DS (alg 8, id 32572)

Delegation statusDelegation status

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

NoticesNotices

Errors (3)
  • uscis.gov/MX has errors; select the "Denial of existence" DNSSEC option to see them.
  • yaux0dr9ij.uscis.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • uscis.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (5)
  • gov/DS (alg 8, id 7698): No response was received until the UDP payload size was decreased, indicating that the server might be attempting to send a payload that exceeds the path maximum transmission unit (PMTU) size. See RFC 6891, Sec. 6.2.6. (192.112.36.4, UDP_-_EDNS0_4096_D_KN)
  • gov/DS (alg 8, id 7698): No response was received until the UDP payload size was decreased, indicating that the server might be attempting to send a payload that exceeds the path maximum transmission unit (PMTU) size. See RFC 6891, Sec. 6.2.6. (192.112.36.4, UDP_-_EDNS0_4096_D_KN)
  • uscis.gov/MX has warnings; select the "Denial of existence" DNSSEC option to see them.
  • yaux0dr9ij.uscis.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • uscis.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