Contacts

  • Holder

    REDACTED FOR PRIVACY SUR000295-SURFN

  • Administrative and technical

    REDACTED FOR PRIVACY DEK003578-SURFN

  • Registrar

    SURF B.V. 0000

    Moreelsepark 48
    Utrecht
    3511EP

  • Abuse

    [email protected] ABUSE-SIDN

    [email protected]

    +31.302305112

Website

Answer
200 OKin 131 ms
Ends at
https://www.surf.nl/diensten/beveiliging/surfcert
Redirects
  • https://surfcert.nl/ (301)
  • https://www.surf.nl/surfcert-247-ondersteuning-bij-beveiligingsincidenten (301)
Title
SURFcert | SURF.nl
Server
nginx
Protocols
HTTP/2
Certificate
Hellenic Academic and Research Institutions CA (GEANT TLS ECC 1) for surfcert.nl and www.surfcert.nl, valid until
www
Redirects to https://www.surf.nl/surfcert-247-ondersteuning-bij-beveiligingsincidenten (301)

DNS records

surfcert.nl

A
TTL 1 hour
AAAA
TTL 1 hour
MX
  • 10mx-1.surfcert.nl
  • 10mx-a.surfcert.nl
TTL 1 hour
NS
TTL 1 hour
TXT
  • HARICA-Y1sH2xg9LjtKFUJJA33
  • hibp-verify=dweb_etdv8cwqjib2sy6bd05tn1o3
  • v=spf1 ip4:145.97.20.187 ip4:192.87.66.87 ip6:2001:610:188:427:145:97:20:187 ip6:2001:610:428:140:192:87:66:87 ip4:194.171.167.144/28 ip6:2001:610:1:400b::/64 -all
TTL 1 hour
SOA
  • Primary server
    ns1.surfnet.nl
    Contact
    dns-beheer@surf.nl
    Serial
    2026102202
    Refresh
    3 hours
    Retry
    1 hour
    Expire
    7 days
    Negative TTL
    1 hour
TTL 1 hour
CAA
TTL 1 hour

www.surfcert.nl

A
TTL 15 min
AAAA
TTL 15 min

_dmarc.surfcert.nl

TXT
TTL 1 hour

As ns2.surfnet.nl answers them

Reputation

Domain blocklists

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

Rankings

Not ranked Tranco rank
0.71Open PageRank, out of 10
46,362,859Open PageRank position
1Referring domains

From Tranco and Open PageRank

DNSSEC

Every link from the root to surfcert.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

surfcert.nl Verified

  • Found 1 DS records for surfcert.nl in the nl zone
  • DS=65073/SHA-256 has algorithm ECDSAP256SHA256
  • Found 1 RRSIGs over DS RRset
  • RRSIG=60847 and DNSKEY=60847 verifies the DS RRset
  • Found 1 DNSKEY records for surfcert.nl
  • DS=65073/SHA-256 verifies DNSKEY=65073/SEP
  • Found 1 RRSIGs over DNSKEY RRset
  • RRSIG=65073 and DNSKEY=65073/SEP verifies the DNSKEY RRset
  • Found 1 RRSIGs over SOA RRset
  • RRSIG=65073 and DNSKEY=65073/SEP verifies the SOA RRset