earth.ac.cr
Observed Jul 26, 2026, 00:59 UTC (6d 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.
Not responding
Email byMicrosoft 365
majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat earth.ac.cr actually stands on - every host below is a signed observation
earth.ac.cr
A / AAAA
20.40.202.11
unattributedserves the site
NS
ns2.earth.ac.crns1.earth.ac.cr
ac.cranswers its DNS
MX
earth-ac-cr.mail.protection.outlook.com
Microsoft 365receives its email
DNS Records
A 1
20.40.202.11
MX 1
0earth-ac-cr.mail.protection.outlook.com
TXT 5
v=msv1 t=a10c524e1abf409877ec0fe80b41cev=spf1 mx ip4:201.207.42.2 ip4:201.207.49.6 ip4:201.206.132.62 ip4:104.130.69.83 ip4:192.237.180.183 ip4:205.201.128.0/20 ip4:198.2.128.0/18 include:spf.protection.outlook.com -allAppID=0000000040079872zoho-verification=zb76536994.zmverify.zoho.comv=DMARC1;p=quarantine;pct=100;rua=mailto:mborbon@earth.ac.cr;ruf=mailto:mborbon@earth.ac.cr;ri=86400;aspf=r;adkim=r;fo=1;
NS 2
ns2.earth.ac.crns1.earth.ac.cr
SOA 1
ns1.earth.ac.cr admin.earth.ac.cr
CAA 2
issue "www.digicert.com"issue "letsencrypt.org"
TLS Certificates (0)
None.
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_07356db6f1d29563- Output Hash
169c4338b381b8e0d34a08b93289fb2a422693f14107d69961d3348bdfa6112e- Signature
ed25519:635aa13b3b0dbd4b0c449fb407d395230de7faef899b4a1eb858a0a9d7d4d692e683556de171660c75ff9d0ba5c049a5628677a6fc78c44fa8651c0308a69e07- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast