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DNSViz: A DNS visualization tool

uninsubria-it.mail.protection.outlook.com

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DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Insecure (7)
  • outlook.com/SOA
  • outlook.com/SOA
  • outlook.com/SOA
  • protection.outlook.com/SOA
  • protection.outlook.com/SOA
  • uninsubria-it.mail.protection.outlook.com/A
  • uninsubria-it.mail.protection.outlook.com/A
Secure (1)
  • com/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (7)
  • ./DNSKEY (alg 8, id 18733)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 20826)
  • NSEC3 proving non-existence of outlook.com/DS
  • com/DNSKEY (alg 8, id 30909)
  • com/DNSKEY (alg 8, id 32298)
  • com/DS (alg 8, id 30909)

Delegation statusDelegation status

Insecure (3)
  • com to outlook.com
  • outlook.com to protection.outlook.com
  • protection.outlook.com to mail.protection.outlook.com
Secure (1)
  • . to com

NoticesNotices

Errors (3)
  • mail.protection.outlook.com/DNSKEY: The response had an invalid RCODE (NOTIMP). See RFC 1035, Sec. 4.1.1. (104.47.118.145, 104.47.118.177, UDP_-_NOEDNS_)
  • uninsubria-it.mail.protection.outlook.com/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
  • mail.protection.outlook.com/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (3)
  • uninsubria-it.mail.protection.outlook.com/A: The response had an invalid RCODE (FORMERR) until EDNS was disabled. See RFC 6891, Sec. 6.2.6. (104.47.118.145, UDP_-_EDNS0_4096_D_KN)
  • uninsubria-it.mail.protection.outlook.com/A: The response had an invalid RCODE (FORMERR) until EDNS was disabled. See RFC 6891, Sec. 6.2.6. (104.47.118.177, UDP_-_EDNS0_4096_D_KN)
  • uninsubria-it.mail.protection.outlook.com/AAAA 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