edtech.center
Observed Jul 29, 2026, 09:40 UTC (6h 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
Email byGoogle Workspace
Secured byLet's Encrypt
1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat edtech.center actually stands on - every host below is a signed observation
edtech.center
A / AAAA
52.58.74.183
unattributedserves the site
NS
ns17.domaincontrol.comns18.domaincontrol.com
domaincontrol.comanswers its DNS
MX
aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
edtech.center
Let's Encryptissued its certificate
DNS Records
A 1
52.58.74.183
MX 5
1aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com
TXT 2
v=spf1 include:_spf.google.com ~allv=DMARC1; p=none; rua=mailto:dmarc-reports@edtech.center
NS 2
ns17.domaincontrol.comns18.domaincontrol.com
SOA 1
ns17.domaincontrol.com dns.jomax.net
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
edtech.center |
C=US, O=Let's Encrypt, CN=YE1 | Thu, 08 Oct 2026 02:51:44 +0000 |
YE1 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (2)
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_3a8249b88224368a- Output Hash
4af5b5512c6f06eeb41a3332dbdcbf7455ab31717446cf538599aca3334b64cb- Signature
ed25519:b460ee992f1b748cc64e7c900025f33a0ba0214f144bfd4fdc4e65ece60f3d1726d5563d59315af9914baf428ce517746e7f54001da5e9b8fd2b279b8981be0c- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast