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DNSViz: A DNS visualization tool

dren.mil

Updated: 2026-02-05 23:20:46 UTC (6 days ago) Update now
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DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Secure (4)
  • dren.mil/MX
  • dren.mil/NS
  • dren.mil/SOA
  • dren.mil/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (11)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 21831)
  • ./DNSKEY (alg 8, id 38696)
  • dren.mil/DNSKEY (alg 13, id 10624)
  • dren.mil/DNSKEY (alg 13, id 45830)
  • dren.mil/DS (alg 13, id 10624)
  • dren.mil/DS (alg 13, id 10624)
  • mil/DNSKEY (alg 8, id 45019)
  • mil/DNSKEY (alg 8, id 48003)
  • mil/DNSKEY (alg 8, id 7870)
  • mil/DS (alg 8, id 45019)

Delegation statusDelegation status

Secure (2)
  • . to mil
  • mil to dren.mil

NoticesNotices

Errors (1)
  • dren.mil/A has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (22)
  • dren.mil/DNSKEY: The Authoritative Answer (AA) flag was set in the referral response. See RFC 1035, Sec. 4.1.1. (199.252.154.234, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • dren.mil/DS (alg 13, id 10624): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • dren.mil/DS (alg 13, id 10624): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • dren.mil/DS (alg 13, id 10624): 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.
  • dren.mil/DS (alg 13, id 10624): 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.
  • dren.mil/DS (alg 13, id 10624): 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. (2608:140:c:157::234, UDP_-_EDNS0_4096_D_KN)
  • dren.mil/DS (alg 13, id 10624): 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. (2608:140:c:157::234, UDP_-_EDNS0_4096_D_KN)
  • dren.mil/DS (alg 13, id 10624): 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. (2608:140:c:157::234, UDP_-_EDNS0_4096_D_KN)
  • dren.mil/DS (alg 13, id 10624): 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. (2608:140:c:157::234, UDP_-_EDNS0_4096_D_KN)
  • dren.mil/MX: The Authoritative Answer (AA) flag was set in the referral response. See RFC 1035, Sec. 4.1.1. (199.252.154.234, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • dren.mil/NS: The Authoritative Answer (AA) flag was set in the referral response. See RFC 1035, Sec. 4.1.1. (199.252.154.234, UDP_-_EDNS0_4096_D_KN)
  • dren.mil/SOA: The Authoritative Answer (AA) flag was set in the referral response. See RFC 1035, Sec. 4.1.1. (199.252.154.234, TCP_-_EDNS0_4096_D_N, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
  • dren.mil/TXT: The Authoritative Answer (AA) flag was set in the referral response. See RFC 1035, Sec. 4.1.1. (199.252.154.234, UDP_-_EDNS0_4096_D_KN)
  • dren.mil/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • dren.mil/DS has warnings; select the "Denial of existence" DNSSEC option to see them.
  • bsjap.wrl20.dren.mil/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • dren.mil/CDNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • dren.mil/NSEC3PARAM has warnings; select the "Denial of existence" DNSSEC option to see them.
  • dren.mil/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • dren.mil/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
  • dren.mil/CDS has warnings; select the "Denial of existence" DNSSEC option to see them.
  • dren.mil/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
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DNSSEC authentication graph