Contacts

  • Holder, administrative and technical

    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
200 OKin 274 ms
Title
Shared Service Organisatie Noord (SSO-Noord)
Protocols
HTTP/2, HTTP/3
Certificate
Let's Encrypt (YE1) for sso-noord.nl, valid until
www
Answers itself (200 OK)

DNS records

sso-noord.nl

A
TTL 8 hours
AAAA
TTL 8 hours
MX
TTL 8 hours
NS
TTL 8 hours
TXT
  • MS=ms43571485
  • QuoVadis=702841a3-f9a4-4d6f-923f-595f63952151
  • a50a44ca-0b25-495c-a3e3-999735afa085-24092018
  • cisco-ci-domain-verification=4d50e7954a10467a7a0ce180babbe6bfb8788172b764f3481a6d8b9642d08073
  • miro-verification=747ea291dc9933216b3ee89c85d886bb58e5ff2a
  • v=spf1 mx ip4:147.181.6.194/32 include:spf.protection.outlook.com -all
TTL 8 hours
SOA
  • Primary server
    ns1.surfnet.nl
    Contact
    postmaster@duo.nl
    Serial
    2025041399
    Refresh
    3 hours
    Retry
    18 min
    Expire
    28 days
    Negative TTL
    15 min
TTL 8 hours
CAA
None: any certificate authority may issue for this name

www.sso-noord.nl

A
TTL 8 hours
AAAA
TTL 8 hours

_dmarc.sso-noord.nl

TXT
  • v=DMARC1;p=reject;rua=mailto:rua@duo.nl;adkim=r;aspf=r;pct=100;sp=reject
TTL 8 hours

As ns1.surfnet.nl answers them

Reputation

Domain blocklists

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

Rankings

1.06Open PageRank, out of 10
21,337,651Open PageRank position
2Referring domains

From Open PageRank

DNSSEC

Every link from the root to sso-noord.nl verifies.

. 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

sso-noord.nl Verified

  • Found 2 DS records for sso-noord.nl in the nl zone
  • DS=5629/SHA-256 has algorithm RSASHA256
  • DS=36995/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 sso-noord.nl
  • DS=5629/SHA-256 matches no DNSKEY
  • DS=36995/SHA-256 verifies DNSKEY=36995/SEP
  • Found 3 RRSIGs over DNSKEY RRset
  • RRSIG=36995 and DNSKEY=36995/SEP verifies the DNSKEY RRset
  • RRSIG=52678 over the DNSKEY RRset was made with a key that is not trusted here
  • RRSIG=53415 over the DNSKEY RRset was made with a key that is not trusted here
  • Found 2 RRSIGs over SOA RRset
  • RRSIG=52678 and DNSKEY=52678 verifies the SOA RRset
  • RRSIG=53415 and DNSKEY=53415 verifies the SOA RRset