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80
Total
75
DNS
90
Email
73
Security
50
Network
100
Availability
Domainecmwf.int
IPv41
IPv60
MX records1
StatusActive
Domain technical report

ECMWF | Advancing global NWP through international collaboration

ecmwf.int

ECMWF 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

Generated: 2026-08-09T23:57:40-05:00 · Cached result

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IPv41
IPv60
MX1
NS5

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

!
IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

5 NS record(s); 2 or more required.

✓
SOA record10 / 10 pts · Dns

Authoritative zone record.

!
DNSSEC chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

✓
CAA policy5 / 5 pts · Dns

Certificate authority restriction.

✓
DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

1 MX record(s).

✓
SPF25 / 25 pts · Mail

SPF policy published.

✓
DMARC25 / 25 pts · Mail

DMARC policy published.

✓
DKIM20 / 20 pts · Mail

A DKIM selector was verified.

!
MTA-STS0 / 5 pts · Mail

Mail transport policy.

!
TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

93 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers8 / 35 pts · Security

2 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: ec2-54-73-72-151.eu-west-1.compute.amazonaws.com

i
IPv4 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

!
IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓
DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓
HTTP response40 / 40 pts · Availability

HTTP/2 200

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)
54.73.72.151

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
0 ecmwf-int.mail.protection.outlook.com.

TXT

15 record(s)
"google-site-verification=76sPLkdjVCTyIvZsLv_5d5Fca9GZYNcJ6L1g7yND3VI"
"atlassian-domain-verification=RE/yJuuzp1sHxsv/PDTGBQhW7Kfug1yJ38OOrq2PhJegJfMx3gqEZbiTyx0qGJcX"
"MS=ms23804549"
"msfpkey=3sf7497ot6i8odyxdkra83q8z"
"v=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 -all"
"google-site-verification=THNP0PTkmLRuxT9m_6TUfGuYeYprw0g9m5CyOr9deZU"
"adobe-idp-site-verification=246be040-c7dd-4f0d-9a1d-29e1f0155da2"
"detectify-verification=b8021ea8190447a5a1e7dee28f60e04b"
"facebook-domain-verification=ez2fa3c03awg97qyhvrn4eeox48zv8"
"anthropic-domain-verification-apcbjd=nwAYs1nEX83sJb4LL5qmoOV0n"
"projectdiscovery-verification=2a137ca411"
"google-site-verification=ZyDWJCJhzyPCNEx1f7mCOjY8uQBH0ZjwpY8U4GOcc8U"
"apple-domain-verification=P3tehAAMdMH0j2gq"
"2FFEA8CA-251F-4970-8234-C3D804A6C885"
"have-i-been-pwned-verification=dweb_dpbx17qn1fm6ad9b1je6u520"

NS

5 record(s)
ns5.rdg.ecmwf.int.
ns3.ecmwf.int.
ns4.ecmwf.int.
ns1.ecmwf.int.
ns2.ecmwf.int.

SOA

1 record(s)
ipam-gm-dh1.ecmwf.int. dnsadmin.ecmwf.int. 2012089862 10800 3600 2419200 300

CAA

12 record(s)
0 issue "awstrust.com "
0 issuewild "digicert.com"
0 issue "sectigo.com"
0 issuewild "letsencrypt.org"
0 issue "amazon.com "
0 issue "amazonaws.com"
0 issue "letsencrypt.org"
0 issue "amazontrust.com"
0 issuewild "harica.gr"
0 issue "digicert.com"
0 issuewild "sectigo.com"
0 issue "harica.gr"

DS

0 record(s)
—

Not configured

DNSKEY

0 record(s)
—

Not configured

RRSIG

0 record(s)
—

Not configured

NSEC

0 record(s)
—

Not configured

NSEC3

0 record(s)
—

Not configured

SRV

0 record(s)
—

Not configured

NAPTR

1 record(s)
100 10 "S" "x-eduroam:radius.tls" "" _radsec._tcp.roaming.ja.net.

TLSA

0 record(s)
—

Not configured

SSHFP

0 record(s)
—

Not configured

SPF

Configured
v=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 -all

DMARC

Configured
v=DMARC1; p=none; pct=100; rua=mailto:8wfhfxho@rua.eu.dmarcmanager.app; ruf=mailto:8wfhfxho@ruf.eu.dmarcmanager.app; fo=1

DKIM

Selector selector1
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCollQSIq+FBTpmjG0Db7wVsCZ6sx6Wq8BeO7ScV+31ui+y9JQBHuacKNUSXR5/idyhawBg432lFAnrZY0n3E8OPTYGaf4BE4jAh39ONUyTPF7GFlCiVJL5rw3iQbywBWbQl8gEugF/7ub6W2BnHO577F+NYzMOFpboI0V0SqA+jQIDAQAB; n=1024,1487508358,1503146758

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
ECMWF | Advancing global NWP through international collaboration
Description
ECMWF 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
Final URL
https://www.ecmwf.int/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://www.ecmwf.int/
Version
3
Server
nginx
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Hellenic Academic and Research Institutions CA
CN
www.ecmwf.int
Valid from
2025-11-11T07:28:13-06:00
Valid until
2026-11-11T07:28:13-06:00
Days remaining
93
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

2 active
—
HSTSNot detected
—
Content Security PolicyNot detected
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
—
Referrer PolicyNot detected
—
Permissions PolicyNot detected
—
Cross-Origin-Opener-PolicyNot detected
—
Cross-Origin-Embedder-PolicyNot detected
—
Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent
✓
Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
54.73.72.151
174,32 ms
Cloudflare
1.1.1.1
54.73.72.151
24,98 ms
Quad9
9.9.9.9
54.73.72.151
55,76 ms
OpenDNS
208.67.222.222
54.73.72.151
172,94 ms
AdGuard
94.140.14.14
54.73.72.151
47,04 ms

IP, geolocation and ASNAssociated network information

54.73.72.151

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No

SMTPEmail port connectivity

ecmwf-int.mail.protection.outlook.com

Port 25: Closed/unreachable - 36.2 ms - 
Port 465: Closed/unreachable - 4020.8 ms - 
Port 587: Closed/unreachable - 4042.9 ms -

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