edtechpoland.pl
Observed Jul 28, 2026, 06:44 UTC (2d 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 onSmarthost sp. z o.o
Email byGoogle Workspace
Secured byLet's Encrypt
Also usesGoogle Search Console
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat edtechpoland.pl actually stands on - every host below is a signed observation
edtechpoland.pl
A / AAAA
91.211.221.172
Smarthost sp. z o.oserves the site
NS
dns.home.pldns2.home.pldns3.home.pl
home.planswers its DNS
MX
aspmx.l.google.comalt4.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
edtechpoland.pl.edtech.netivo.pl
Let's Encryptissued its certificate
DNS Records
A 1
91.211.221.172
MX 5
1aspmx.l.google.com10alt4.aspmx.l.google.com5alt2.aspmx.l.google.com10alt3.aspmx.l.google.com5alt1.aspmx.l.google.com
TXT 3
v=spf1 mx a include:_spf.getresponse.com -allgoogle-site-verification=MknR34rQc0KyzZfkTdqf1mlCpTmoXnxKZjtxu3OOmEwv=DMARC1;p=none
NS 3
dns.home.pldns2.home.pldns3.home.pl
SOA 1
dns.home.pl admin.home.pl
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
edtechpoland.pl.edtech.netivo.pl |
C=US, O=Let's Encrypt, CN=YE2 | Sun, 06 Sep 2026 02:29:39 +0000 |
YE2 |
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 (1)
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_f5ab43f8e8d6fd78- Output Hash
19a883a0000e25757c9660629a8d97c356b1b4ad4189221d3eae4b4eeb4b4818- Signature
ed25519:239fd76232fd2db7c22206114e72e1878174b96985692511c9b5bc317f1fd97fb90fdd7fc81a3c123d99a387313fc7143275862fdb202b44a66c4881d066aa04- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast