mdtechcouncil.com
Observed Aug 16, 2026, 08:33 UTC (2h 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 EncryptIPv6 · 1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat mdtechcouncil.com actually stands on - every host below is a signed observation
mdtechcouncil.com
A / AAAA
173.255.231.1392600:3c03::f03c:91ff:fe17:47c5
2600serves the site
NS
ns2.linode.comns4.linode.comns3.linode.comns1.linode.com+1 more
linode.comanswers its DNS
MX
mdtechcouncil-com.mail.protection.outlook.com
Microsoft 365receives its email
TLS
mdtechcouncil.com
Let's Encryptissued its certificate
DNS Records
A 1
173.255.231.139
AAAA 1
2600:3c03::f03c:91ff:fe17:47c5
MX 1
0mdtechcouncil-com.mail.protection.outlook.com
TXT 2
v=spf1 include:spf.constantcontact.com include:clientemailspf.growthzoneapp.com a include:spf.protection.outlook.com -allMS=ms79000022
NS 5
ns2.linode.comns4.linode.comns3.linode.comns1.linode.comns5.linode.com
SOA 1
ns1.linode.com mnguyen.techcouncilmd.com
DMARC_RECORDS 1
v=DMARC1; p=none; rua=mailto:mr3nem0w@ag.dmarcian.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
mdtechcouncil.com |
C=US, O=Let's Encrypt, CN=YR1 | Sun, 20 Sep 2026 13:18:00 +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_727cf97fb749be5e- Output Hash
7417df1ab3652076faa3c078c46b2d1a98fe114675a296051e6e38666c09c9f0- Signature
ed25519:92392beca53746b444d667b8ea215a1d9c998ae1805a1ef509996e27a594685d81fb725899794c986e3d91b067e00655266a5ecbfb23adb3d2f014b918ceab05- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast