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Rank #7,094Updated November 10, 2026

ecmwf.int

ECMWF | Advancing global NWP through international collaboration

The site runs on Drupal, cdnjs, PHP and 3 other technologies. Its email security grade is C. Its SSL certificate is issued by Hellenic Academic and Research Institutions CA and is valid for 197 more days.

Domain age
29.1 yrs
Technologies
6
Email security
C
SSL days left
197

Registration

RegisteredOctober 10, 1997
UpdatedApril 9, 2025
Statusactive
Name serversns1.ecmwf.int, ns2.ecmwf.int, ns3.ecmwf.int, ns4.ecmwf.int, ns5.rdg.ecmwf.int
DNSSECNot signed

DNS records

TypeValueTTL
A54.73.72.15114400
MXecmwf-int.mail.protection.outlook.com 014400
NSns3.ecmwf.int14400
NSns4.ecmwf.int14400
NSns1.ecmwf.int14400
NSns2.ecmwf.int14400
NSns5.rdg.ecmwf.int14400
CAAissuewild 0 digicert.com14400
CAAissue 0 sectigo.com14400
CAAissuewild 0 sectigo.com14400
CAAissuewild 0 harica.gr14400
CAAissue 0 harica.gr14400
CAAissue 0 amazonaws.com14400
CAAissue 0 awstrust.com 14400
CAAissue 0 amazon.com 14400
CAAissue 0 amazontrust.com14400
CAAissuewild 0 letsencrypt.org14400
CAAissue 0 letsencrypt.org14400
CAAissue 0 digicert.com14400
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TXTgoogle-site-verification=76sPLkdjVCTyIvZsLv_5d5Fca9GZYNcJ6L1g7yND3VI600
TXT2FFEA8CA-251F-4970-8234-C3D804A6C885600
TXTapple-domain-verification=P3tehAAMdMH0j2gq600
TXTfacebook-domain-verification=ez2fa3c03awg97qyhvrn4eeox48zv8600
TXThave-i-been-pwned-verification=dweb_dpbx17qn1fm6ad9b1je6u520600
TXTatlassian-domain-verification=RE/yJuuzp1sHxsv/PDTGBQhW7Kfug1yJ38OOrq2PhJegJfMx3gqEZbiTyx0qGJcX600
TXTgoogle-site-verification=THNP0PTkmLRuxT9m_6TUfGuYeYprw0g9m5CyOr9deZU600
TXTv=spf1 ip4:136.156.31.92 ip4:136.156.127.13 ip4:136.156.208.200/30 ip4:77.83.226.224 include:_spf.mythic-beasts.com include:sendgrid.net include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all600
TXTmsfpkey=3sf7497ot6i8odyxdkra83q8z600
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TXTdetectify-verification=b8021ea8190447a5a1e7dee28f60e04b600

Technology stack

CDN
cdnjs
CMS
Drupal
Programming language
PHP
Tag manager
Google Tag Manager
Web server
Nginx
Widgets
AddToAny

Analytics and advertising IDs

google_tag_manager:GTM-P5T597

SSL certificate

ValidValid
IssuerGR, GEANT TLS ECC 1, Hellenic Academic and Research Institutions CA
ExpiresMay 26, 2027
Days remaining197
ProtocolTLSv1.3
Namesecmwf.int, www.ecmwf.int

Email security

CScore 65/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
  • warnDMARC policy is none (monitoring only). Spoofed mail is still delivered.
  • 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 aggregate reports are sent to mailto:[email protected].
  • goodDKIM keys found (selector: selector1, selector2, k2, s1, s2).
  • good1 MX record(s) found. Mail is handled by Microsoft 365.

Homepage metadata

TitleECMWF | Advancing global NWP through international collaboration
DescriptionECMWF is the European Centre for Medium-Range Weather Forecasts. We are both a research institute and a 24/7 operational service, producing global numerical weather predictions and other data for our Member and Co-operating States and the broader community. The Centre has one of the largest supercomputer facilities and meteorological data archives in the world
Languageen
Canonicalhttps://www.ecmwf.int/
IndexableYes
Word count698

About ecmwf.int

What technology does ecmwf.int use?

We detected 6 technologies on ecmwf.int, including cdnjs, Drupal, PHP, Google Tag Manager, Nginx, AddToAny.

Does ecmwf.int protect its email with SPF and DMARC?

ecmwf.int scores 65/100 (grade C) for email security. DMARC policy is none (monitoring only). Spoofed mail is still delivered. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection.

What are the name servers of ecmwf.int?

ecmwf.int uses ns3.ecmwf.int, ns4.ecmwf.int, ns1.ecmwf.int, ns2.ecmwf.int, ns5.rdg.ecmwf.int.