itu.int
Observed Jul 21, 2026, 20:04 UTC (16h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.
Up right now
Runs onInternational Telecommunication Union
Email byMicrosoft 365
Secured byLet's Encrypt
Also usesGoogle Search ConsoleAtlassian
IPv6 · 4 subdomains · tranco_5k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat itu.int actually stands on - every host below is a signed observation
itu.int
A / AAAA
156.106.253.2502a00:7580:60:a252::3250
International Telecommunication Unionserves the site
NS
ns2.itu.chns8.itu.chns7.itu.chns.itu.ch+3 more
itu.chanswers its DNS
MX
itu-int.mail.protection.outlook.com
Microsoft 365receives its email
TLS
itu.int
Let's Encryptissued its certificate
DNS Records
A 1
156.106.253.250
AAAA 1
2a00:7580:60:a252::3250
MX 1
28itu-int.mail.protection.outlook.com
TXT 13
MS=ms10801744google-site-verification=OAL7V9LOPx_KZ3pTK2B89gxf9-tpX4SuWsujyfFxo5Mgoogle-site-verification=KnjD3vfQw6QzV-Tdi1DYB-vruU1LRfcoZa3hpu_6Dmwgoogle-site-verification=Mt2O1S2bdYkwzokESyNQlj-W_krcAAnJpKXW8YQBPZMUtNf3/9YCnOlqyKq55I859zREUJ3vIEafS4HVQpD/NcAts7kNSCo6e72jl7348oBAZqveiJc9cv7Fl25auRSgg==atlassian-domain-verification=74JS2eOA8Lqcdxbs5ydH5jf1oZwmrm7egDaiC06Exhuraiecduu/TxL1P3dBc0i0cisco-ci-domain-verification=65b81f5e5cbb148bc6ecf3dbbe8a12c57a775321fb55e5b19be6595c0a1c06d0v=spf1 ip4:156.106.192.20/30 ip4:156.106.192.38/31 include:spf.protection.outlook.com -alladobe-idp-site-verification=45cc586968520745b7c4a80da26402a4e93b36523cb57fe997f15d0104ab55c8google-site-verification=H4hEnSrSL9A-LU_zr1GB86qJ9TNwO5QQ62yVPDGxtQU
NS 7
ns2.itu.chns8.itu.chns7.itu.chns.itu.chns6.itu.chns5.itu.chns3.itu.ch
SOA 1
ns.itu.ch hostmaster.itu.ch
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
itu.int |
C=US, O=Let's Encrypt, CN=YR2 | Wed, 09 Sep 2026 00:50:38 +0000 |
YR2 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (4)
The proof
Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_df16b93a5742ef6e- Output Hash
93664b411168a3b49ead07ee3199f6df76304cdbf939e0667217926f39d03ca9- Signature
ed25519:3cfda6e3199d4646feaae703a562f8986247c709f859b9412a523dcf41096aff4942d49e820a34b0cfdf5550d53e1285d761f18521ef6401389423d4e25c340a- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast