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DNSViz: A DNS visualization tool

nersc.gov

Updated: 2026-03-10 22:34:58 UTC (3 hours ago) Update now
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DNSSEC options (hide)
  1. |?|
  2. |?|
  3. |?|
  4. |?|
  5. |?|
  6. |?|
  7. |?|
  8. |?|
  9. |?|
  10. |?|
Notices
DNSSEC Authentication Chain

RRset statusRRset status

Secure (6)
  • nersc.gov/A
  • nersc.gov/AAAA
  • nersc.gov/MX
  • nersc.gov/NS
  • nersc.gov/SOA
  • nersc.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (12)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 21831)
  • ./DNSKEY (alg 8, id 38696)
  • gov/DNSKEY (alg 13, id 2536)
  • gov/DNSKEY (alg 13, id 35496)
  • gov/DS (alg 13, id 2536)
  • nersc.gov/DNSKEY (alg 13, id 47494)
  • nersc.gov/DNSKEY (alg 13, id 56474)
  • nersc.gov/DNSKEY (alg 7, id 25773)
  • nersc.gov/DNSKEY (alg 7, id 31373)
  • nersc.gov/DS (alg 13, id 47494)
  • nersc.gov/DS (alg 7, id 25773)

Delegation statusDelegation status

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

NoticesNotices

Warnings (16)
  • RRSIG nersc.gov/A alg 7, id 31373: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG nersc.gov/AAAA alg 7, id 31373: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG nersc.gov/DNSKEY alg 7, id 25773: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG nersc.gov/DNSKEY alg 7, id 25773: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG nersc.gov/DNSKEY alg 7, id 25773: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG nersc.gov/DNSKEY alg 7, id 25773: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG nersc.gov/MX alg 7, id 31373: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG nersc.gov/NS alg 7, id 31373: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG nersc.gov/SOA alg 7, id 31373: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG nersc.gov/TXT alg 7, id 31373: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • diofq.j0hn4.nersc.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • nersc.gov/CDS has warnings; select the "Denial of existence" DNSSEC option to see them.
  • nersc.gov/NSEC3PARAM has warnings; select the "Denial of existence" DNSSEC option to see them.
  • nersc.gov/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • nersc.gov/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • nersc.gov/CDNSKEY 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