Contacts

  • Technical

    REDACTED FOR PRIVACY SUR002282-SURFN

  • Holder and administrative

    REDACTED FOR PRIVACY DIE017131-SURFN

  • Registrar

    SURF B.V. 0000

    Moreelsepark 48
    Utrecht
    3511EP

  • Abuse

    [email protected] ABUSE-SIDN

    cert@surfcert.nl

    +31.302305112

Website

Answer
The name has no address

DNS records

onderwijssysteem.nl

MX
  • 0
TTL 1 day
NS
TTL 1 day
TXT
TTL 1 day
SOA
  • Primary server
    ns1.surfnet.nl
    Contact
    postmaster@duo.nl
    Serial
    2025034640
    Refresh
    8 hours
    Retry
    48 min
    Expire
    7 days
    Negative TTL
    1 day
TTL 1 day
CAA
None: any certificate authority may issue for this name

_dmarc.onderwijssysteem.nl

TXT
  • v=DMARC1;p=reject;rua=mailto:rua@duo.nl;adkim=r;aspf=r;pct=100;sp=reject
TTL 1 day

As ns1.zurich.surf.net answers them

Reputation

Domain blocklists

  • Spamhaus DBL Not listed
  • SURBL Not listed
  • URIBL Not listed

Rankings

Not ranked Tranco rank
0.38Open PageRank, out of 10
80,836,193Open PageRank position
0Referring domains

From Tranco and Open PageRank

DNSSEC

The chain of trust to onderwijssysteem.nl is broken, so resolvers that check DNSSEC refuse its answers.

. Verified

  • Found 3 DNSKEY records for .
  • DS=20326/SHA-256 verifies DNSKEY=20326/SEP
  • DS=38696/SHA-256 verifies DNSKEY=38696/SEP
  • Found 1 RRSIGs over DNSKEY RRset
  • RRSIG=38696 and DNSKEY=38696/SEP verifies the DNSKEY RRset

nl Verified

  • Found 1 DS records for nl in the . zone
  • DS=17153/SHA-256 has algorithm ECDSAP256SHA256
  • Found 1 RRSIGs over DS RRset
  • RRSIG=8763 and DNSKEY=8763 verifies the DS RRset
  • Found 2 DNSKEY records for nl
  • DS=17153/SHA-256 verifies DNSKEY=17153/SEP
  • Found 1 RRSIGs over DNSKEY RRset
  • RRSIG=17153 and DNSKEY=17153/SEP verifies the DNSKEY RRset

onderwijssysteem.nl Does not verify

  • Found 1 DS records for onderwijssysteem.nl in the nl zone
  • DS=40432/SHA-256 has algorithm RSASHA256
  • Found 1 RRSIGs over DS RRset
  • RRSIG=60847 and DNSKEY=60847 verifies the DS RRset
  • Found 3 DNSKEY records for onderwijssysteem.nl
  • DS=40432/SHA-256 matches no DNSKEY
  • No DS record matches a DNSKEY of onderwijssysteem.nl
  • Found 3 RRSIGs over DNSKEY RRset
  • RRSIG=11406 over the DNSKEY RRset was made with a key that is not trusted here
  • RRSIG=59536 over the DNSKEY RRset was made with a key that is not trusted here
  • RRSIG=64604 over the DNSKEY RRset was made with a key that is not trusted here
  • No RRSIG over the DNSKEY RRset verifies with a key a DS record matches
  • Found 2 RRSIGs over SOA RRset
  • RRSIG=11406 and DNSKEY=11406 verifies the SOA RRset
  • RRSIG=59536 and DNSKEY=59536 verifies the SOA RRset