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DNSViz: A DNS visualization tool

usps.gov

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

RRset statusRRset status

Secure (5)
  • usps.gov/MX
  • usps.gov/NS
  • usps.gov/NSEC3PARAM
  • usps.gov/SOA
  • usps.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (10)
  • ./DNSKEY (alg 8, id 18733)
  • ./DNSKEY (alg 8, id 20326)
  • gov/DNSKEY (alg 8, id 56278)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)
  • usps.gov/DNSKEY (alg 7, id 29454)
  • usps.gov/DNSKEY (alg 7, id 55577)
  • usps.gov/DNSKEY (alg 7, id 62724)
  • usps.gov/DS (alg 7, id 29454)
  • usps.gov/DS (alg 7, id 29454)

Delegation statusDelegation status

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

NoticesNotices

Errors (4)
  • wlbeh4u9jk.usps.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • usps.gov/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
  • usps.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • usps.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (22)
  • ./DNSKEY (alg 8, id 18733): 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. (193.0.14.129, UDP_-_EDNS0_4096_D_KN)
  • ./DNSKEY (alg 8, id 20326): 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. (193.0.14.129, UDP_-_EDNS0_4096_D_KN)
  • RRSIG usps.gov/DNSKEY alg 7, id 29454: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG usps.gov/DNSKEY alg 7, id 29454: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG usps.gov/DNSKEY alg 7, id 29454: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG usps.gov/DNSKEY alg 7, id 55577: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG usps.gov/DNSKEY alg 7, id 55577: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG usps.gov/DNSKEY alg 7, id 55577: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG usps.gov/MX alg 7, id 55577: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG usps.gov/NS alg 7, id 55577: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG usps.gov/NSEC3PARAM alg 7, id 55577: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG usps.gov/SOA alg 7, id 55577: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG usps.gov/TXT alg 7, id 55577: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • usps.gov/DS (alg 7, id 29454): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • usps.gov/DS (alg 7, id 29454): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • usps.gov/DS (alg 7, id 29454): 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.
  • usps.gov/DS (alg 7, id 29454): 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.
  • wlbeh4u9jk.usps.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • usps.gov/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
  • usps.gov/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • usps.gov/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • usps.gov/A 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