mdac.org
Observed Aug 16, 2026, 19:46 UTC (1h 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 byMicrosoft 365
Microsoft 365Secured byLet's Encrypt
Let's EncryptRegistered toValidity
Registered withDotRoll Kft.
1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat mdac.org actually stands on - every host below is a signed observation
mdac.org
A / AAAA
185.33.54.5
unattributedserves the site
NS
ns2.dotroll.comns1.dotroll.com
dotroll.comanswers its DNS
MX
mdac-org.mail.protection.outlook.com
Microsoft 365receives its email
TLS
www.mdac.org
Let's Encryptissued its certificate
DNS Records
A 1
185.33.54.5
MX 1
0mdac-org.mail.protection.outlook.com
TXT 2
v=spf1 +include:spf.webspacecontrol.com include:spf.protection.outlook.com -allMS=ms84064266
NS 2
ns2.dotroll.comns1.dotroll.com
SOA 1
ns1.dotroll.com hostmaster.dotroll.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.mdac.org |
C=US, O=Let's Encrypt, CN=YR1 | Tue, 03 Nov 2026 06:48:03 +0000 |
YR1 |
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 (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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_030b2c49a1181620- Output Hash
b089f01b298a1506a633b020b223ace97059a2fe6e42b46ff0dee3186b573608- Signature
ed25519:591befa789b9cf312c62c91daca92a97136c178b1e9fda0a5f07f07a907f85ed2246fa1cd0d4921293d57a37106d6e0a5e6acfba02fa0423396e0f65320df309- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast