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DNSViz: A DNS visualization tool

www.uol.com.br

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

RRset statusRRset status

Insecure (12)
  • cloudfront.net/SOA
  • dftex7xfha8fh.cloudfront.net/A
  • dftex7xfha8fh.cloudfront.net/A
  • dftex7xfha8fh.cloudfront.net/AAAA
  • dftex7xfha8fh.cloudfront.net/AAAA
  • dftex7xfha8fh.cloudfront.net/AAAA
  • dftex7xfha8fh.cloudfront.net/AAAA
  • dftex7xfha8fh.cloudfront.net/AAAA
  • dftex7xfha8fh.cloudfront.net/AAAA
  • dftex7xfha8fh.cloudfront.net/AAAA
  • dftex7xfha8fh.cloudfront.net/AAAA
  • www.uol.com.br/CNAME
Secure (3)
  • com.br/SOA
  • net/SOA
  • net/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (13)
  • ./DNSKEY (alg 8, id 14631)
  • ./DNSKEY (alg 8, id 20326)
  • NSEC3 proving non-existence of cloudfront.net/DS
  • NSEC3 proving non-existence of uol.com.br/DS
  • br/DNSKEY (alg 13, id 2471)
  • br/DNSKEY (alg 13, id 429)
  • br/DS (alg 13, id 2471)
  • com.br/DNSKEY (alg 13, id 30329)
  • com.br/DS (alg 13, id 30329)
  • net/DNSKEY (alg 8, id 30944)
  • net/DNSKEY (alg 8, id 35886)
  • net/DNSKEY (alg 8, id 6203)
  • net/DS (alg 8, id 35886)

Delegation statusDelegation status

Insecure (3)
  • cloudfront.net to dftex7xfha8fh.cloudfront.net
  • com.br to uol.com.br
  • net to cloudfront.net
Secure (3)
  • . to br
  • . to net
  • br to com.br

NoticesNotices

Errors (2)
  • NSEC3 proving non-existence of uol.com.br/DS: An iterations count of 0 must be used in NSEC3 records to alleviate computational burdens. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of uol.com.br/DS: An iterations count of 0 must be used in NSEC3 records to alleviate computational burdens. See RFC 9276, Sec. 3.1.
Warnings (3)
  • NSEC3 proving non-existence of uol.com.br/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of uol.com.br/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • net to cloudfront.net: Authoritative AAAA records exist for ns-666.awsdns-19.net, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.

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