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Gridlode
Rank #8,787Updated November 10, 2026

knmi.nl

KNMI - Koninklijk Nederlands Meteorologisch Instituut

knmi.nl is registered with SURF B.V. since February 25, 1992 (34.7 years). The site runs on Ruby on Rails, Amazon CloudFront, Ruby and 1 other technologies. Its email security grade is C. Its SSL certificate is issued by Amazon and is valid for 90 more days.

Domain age
34.7 yrs
Technologies
4
Email security
C
SSL days left
90

Registration

RegistrarSURF B.V.
IANA ID0000
RegisteredFebruary 25, 1992
UpdatedJanuary 5, 2026
Statusactive
Name serversns1.ssc-campus.nl, ns1.surfnet.nl, ns2.ssc-campus.nl, ns2.surfnet.nl
DNSSECSigned

DNS records

TypeValueTTL
MXexternemail.knmi.nl 10300
MXexternemail-mx2.knmi.nl 50300
TXTMS=ms5141553060
TXTHARICA-sUQeqL0qVMvqN0QHZRH60
TXT90fc9b54291843c2be915cca0d01c67c60
TXTMS=ABA685DE3B91C4C4EE7EA84C079F0307259D052C60
TXTcitrix.mobile.ads.otp=rqol9y5az2861e1k3mxw7us60
TXTmiro-verification=024ca8e7de41e481284630260be4be350c786add60
TXT6e061dcfa8bfe65b381f1934fb8bd79eff663a9ff738b80c0288cbebd3ded95f60
TXTatlassian-domain-verification=fk/NwKfRkv47ZWrr11fbYrPYNnFLjTuLZR1pBzs0a7G9aiicH/6iy2voPrEvw8/M60
TXTatlassian-domain-verification=wqJenEHcl11uzUYj2suKsxVXU62fM5gHqJRuX440jqcSu89q0i8t8AaQWJDHEE4T60
TXTv=spf1 ip4:145.23.0.30 ip4:145.23.0.34 ip4:145.23.3.36 ip4:145.23.3.38 ip4:145.23.254.201/30 ip6:2001:610:178:f6::201 ip6:2001:610:178:f6::202 include:amazonses.com include:spf.protection.outlook.com -all60

Technology stack

Programming language
Security
Web framework

SSL certificate

ValidValid
IssuerUS, Amazon RSA 2048 M04, Amazon
ExpiresFebruary 9, 2027
Days remaining90
ProtocolTLSv1.3
Nameswww.knmi.nl, cms.knmi.nl, cdn.knmi.nl, knmi.nl

Email security

CScore 76/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
  • warnDKIM key found (selector: selector1) but it is only 1024 bits; 2048 is recommended.
  • warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
  • warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
  • warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
  • goodSPF record found.
  • goodSPF ends with -all: servers you have not listed are rejected (hard fail).
  • goodDMARC policy is quarantine: failing mail goes to spam. Move to p=reject for full protection.
  • goodDMARC aggregate reports are sent to mailto:[email protected].
  • good2 MX record(s) found.

Homepage metadata

TitleKNMI - Koninklijk Nederlands Meteorologisch Instituut
DescriptionHet KNMI is het nationale data- en kenniscentrum voor weer, klimaat en seismologie.
Languagenl
IndexableYes
Word count408

About knmi.nl

Who is the registrar of knmi.nl?

knmi.nl is registered with SURF B.V. (IANA ID 0000).

What technology does knmi.nl use?

We detected 4 technologies on knmi.nl, including Amazon CloudFront, Ruby, HSTS, Ruby on Rails.

Does knmi.nl protect its email with SPF and DMARC?

knmi.nl scores 76/100 (grade C) for email security. DKIM key found (selector: selector1) but it is only 1024 bits; 2048 is recommended. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection.