Rank #3,343Updated November 10, 2026
icao.int
International Civil Aviation Organization
The site runs on Drupal, Cloudflare, Google Fonts and 6 other technologies. Its email security grade is C. Its SSL certificate is issued by Entrust Limited and is valid for 121 more days.
- Domain age
- 28.8 yrs
- Technologies
- 9
- Email security
- C
- SSL days left
- 121
Registration
| Registered | January 29, 1998 |
|---|---|
| Updated | April 27, 2017 |
| Status | active |
| Name servers | ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org, ns4-03.azure-dns.info |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 52.211.85.12 | 300 |
| MX | icao-int.mail.protection.outlook.com 5 | 300 |
| NS | ns1-03.azure-dns.com | 172800 |
| NS | ns2-03.azure-dns.net | 172800 |
| NS | ns3-03.azure-dns.org | 172800 |
| NS | ns4-03.azure-dns.info | 172800 |
| CAA | issue 0 entrust.net | 300 |
| TXT | v=spf1 include:spf1.icao.int include:spf2.icao.int include:spf.protection.outlook.com -all | 300 |
| TXT | TZQa+CsgjLhmg6XregOn91HYdPtULWi2njdDvQCmOFRsmY/QeabIjy3HLst6E1E1VYMEcR1lhG5bymq8DO1F/g== | 300 |
| TXT | apple-domain-verification=BqTUKqaTUpmOUGMV | 300 |
| TXT | 24c795a0268844c713b8ae08001b5580.icao.int | 300 |
| TXT | stripe-verification=648c62131337b9264ab9d3e73be3e90a9c766f0b02dc9ee7fd37efbcae448c29 | 300 |
| TXT | 9b3f8dff-adb7-41d9-9bf7-7fa6021ea3c8 | 300 |
| TXT | atlassian-domain-verification=VNjkDgghK7zRyC3E0y4pZf1u8bdMN2v9EQWugh8yDQPHHVhu1wXTExRakFnjZv2D | 300 |
| TXT | 53eacafb-fefe-4c94-8d66-e7481261db38 | 300 |
| TXT | projectdiscovery-verification=2a1bad668e | 300 |
| TXT | teamviewer-sso-verification=2a161af7f4244024a5158e8a738b118b | 300 |
| TXT | asv=e95d283920f5cfd4b58db193d859665c | 300 |
| TXT | apple-domain-verification=nbtRc4DzxoMUjU4H | 300 |
Technology stack
CDN
CMS
Fonts
JavaScript library
Programming language
Security
Tag manager
Widgets
Analytics and advertising IDs
google_tag_manager:GTM-MJ6KZ88JSSL certificate
| Valid | Valid |
|---|---|
| Issuer | CA, Entrust OV TLS Issuing RSA CA 2, Entrust Limited |
| Expires | March 11, 2027 |
| Days remaining | 121 |
| Protocol | TLSv1.3 |
| Names | icao.int |
Email security
CScore 79/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- 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], 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
| Title | International Civil Aviation Organization |
|---|---|
| Description | The International Civil Aviation Organization (ICAO) is a United Nations agency which helps 193 countries to cooperate together and share their skies to their mutual benefit. |
| Language | en |
| Canonical | https://www.icao.int/ |
| Indexable | Yes |
| Word count | 1005 |
About icao.int
What technology does icao.int use?
We detected 9 technologies on icao.int, including Cloudflare, Drupal, Google Fonts, jQuery, PHP, Content Security Policy.
Does icao.int protect its email with SPF and DMARC?
icao.int scores 79/100 (grade C) for email security. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection. No TLS-RPT record, so you won't hear about failed encrypted deliveries.
What are the name servers of icao.int?
icao.int uses ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org, ns4-03.azure-dns.info.