usam.ac.cr
Observed Aug 2, 2026, 13:47 UTC (21h 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 onCloudflare
Email byMicrosoft 365
Secured byGoogle Trust Services
Also usesFacebook/Meta
IPv6 · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usam.ac.cr actually stands on - every host below is a signed observation
usam.ac.cr
A / AAAA
104.26.8.14104.26.9.14172.67.73.2312606:4700:20::681a:80e+2 more
Cloudflareserves the site
NS
giancarlo.ns.cloudflare.commina.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
usam-ac-cr.mail.protection.outlook.com
Microsoft 365receives its email
TLS
usam.ac.cr
Google Trust Servicesissued its certificate
DNS Records
A 3
104.26.8.14104.26.9.14172.67.73.231
AAAA 3
2606:4700:20::681a:80e2606:4700:20::ac43:49e72606:4700:20::681a:90e
MX 1
10usam-ac-cr.mail.protection.outlook.com
TXT 9
_7i71xrnn0mbd16eo4vxnbc6f7jcgy3c_wnj5r05p1t6ta6yoil4mzxp6mjwuncvciscocidomainverification=4109fbae2851c328c3afab002d41eaf09847d3c5b139ed1c75c1c16ec5698692cubk2v66q1h70fr19bhlrbnj2dfacebook-domain-verification=x7j2tr2yrghu8aqc34lbnj5c8ia9qqrhs1otjlbujtkot6r80hcb17ibv=msv1 t=ea1eccc190e4ba9df9ab163dfdda36v=spf1 ip4:52.1.255.42 ip4:201.195.253.82 ip4:201.193.183.162 ip4:23.143.96.90 ip4:23.143.96.1 include:spf.protection.outlook.com include:mktomail.com include:mail.zohoanalytics.com ~allzoho-verification=zb11201234.zmverify.zoho.com
NS 2
giancarlo.ns.cloudflare.commina.ns.cloudflare.com
SOA 1
giancarlo.ns.cloudflare.com dns.cloudflare.com
DMARC_RECORDS 1
v=DMARC1; p=quarantine
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
usam.ac.cr |
C=US, O=Google Trust Services, CN=WE1 | Mon, 28 Sep 2026 08:41:50 +0000 |
WE1 |
C=US, O=Google Trust Services LLC, CN=GTS Root R4 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R4 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +0000 |
Subdomains (0)
None observed.
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_4468d8d723b0b49a- Output Hash
b49e5375ad70aadeaab0d033575ef13ee84620dbfd7ef140b940193e1e47fed6- Signature
ed25519:e2945d94514d75a4ee39b3d4b32b7556e72463dad1ab61c5dba700c5e247100d2ef19ca523a90cccac3ec1fec7b19996e3ec7dde90a0dabd7a82402d68cc8a0a- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast