Registered 33 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 1033 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 193.242.192.41 |
|---|---|
| MX | 20 unesco-org.mail.protection.outlook.com |
| NS | ns-nadc.unicc.org ns0.unesco.org ns.unicc.org ns1.unesco.org |
| TXT | protonmail-verification=a50ff2eff7ae46d433e35686ac755404b2b3e186 maintenance=bf21ae2431aacc6161b5df4e79797207 pass=5e820652b5d4c281616c2dd30c629d56 docusign=947cfa4f-305f-4233-a76b-6af49d2f3a70 _itnn9yn7ufcnocnafomvjpy9n5ikxan google-site-verification=4XtqV53q6N52Rfsuvs4O_COVHrw21Mcds_euCiS40_0 docusign=61683a7c-ab67-4904-a99f-42742edb4440 MS=ms39408964 v=spf1 mx ip4:193.242.192.146 ip4:193.242.192.147 ip4:66.77.65.139 ip4:66.77.65.174 ip4:66.77.65.184 ip4:66.77.65.189 ip4:65.123.29.0/24 ip4:185.145.32.102 include:spf.protection.outlook.com ip4:18.168.51.200 ip4:18.168.140.58 ip4:3.123.206.219 ip4:3.68.129.51 include:successfactors.eu include:_spf-sfdc.successfactors.com include:spf.inmediatech.co -all google-site-verification=ZmB4X8cKtOtFlPRlWLx2MJStVndLvNf0fMjVjQdnOzM d365mktkey=68pjaernczowx4blndg153c9f d365mktkey=6ausyyuzjgu1xskm6vcf0q0lo Foxit-domain-verification=1d1256b2a1070ef93dad40b34c45653b google-site-verification=-u41yIrQyJtFJSu_RAUBpaR6dGnLd8e571ib0p5TwnY google-site-verification=OKHjGXXKmljNSp3RloooLGIw4YGAx7zPxMTVkfcplmY successfactors-site-verification=MzcxZGZmYTc2NjM0Y2VlNmRmYThkZjAyOGU5ODJlYjU5NTgxMDVmMzk2NTZhNjVlYTVkNjE5ZmEyOGUwYTE4Yw== ms-domain-verification=41756529-0c17-4326-bc7e-bad70ec97e0f successfactors-site-verification=ZmE4NjljN2JjMDgyMmYyMzgyMjQ5YTAzMTA1NGJiMTE2ZWE3ZjE1NDVjZDY3MWI3MDI3NTMyYzI4ODYzN2UzNw== anthropic-domain-verification-yzq6c2=XATZfomhGNDPApOU2TPRmVLtl |
| registrar | Gandi SAS |
|---|---|
| registered | 1994-03-01 |
| expires | 2035-03-02 |
| last changed | 2026-08-12 |
| owner | U.N.E.S.C.O |
| nameservers | ns-nadc.unicc.org ns.unicc.org ns0.unesco.org ns1.unesco.org |
| status | client transfer prohibited |
| valid | yes |
|---|---|
| issuer | Let's Encrypt |
| covers | unesco.org |
| protocol | TLSv1.2 |
Domain is not signed with DNSSEC
| SPF | pass v=spf1 mx ip4:193.242.192.146 ip4:193.242.192.147 ip4:66.77.65.139 ip4:66.77.65.174 ip4:66.77.65.184 ip4:66.77.65.189 ip4:65.123.29.0/24 ip4:185.145.32.102 include:spf.protection.outlook.com ip4:18.168.51.200 ip4:18.168.140.58 ip4:3.123.206.219 ip4:3.68.129.51 include:successfactors.eu include:_spf-sfdc.successfactors.com include:spf.inmediatech.co -all |
|---|---|
| DMARC | pass policy reject |
| DKIM | found: selector1, selector2, s1, s2 |
Whether mail claiming to be from this domain can be checked as genuine.
Green: clean. Red: listed. Grey: the list did not answer.
Agents get this as data. Bought through the API, the checks behind this page cost $0.070: profile $0.025 + trust $0.020 + screenshot $0.020 + site status $0.005.
MCP: add https://how.is/mcp to Claude, Codex or Cursor
(one-line install) and ask for domain_trust on unesco.org.
Reference: /llms.txt.
Watch unesco.org. DNS read at the source every 5 minutes; certificate, blocklists and expiry every 6 hours. You get an email only when something changes.
Watch — $1 / 30 days