usatkd.org
Observed Aug 11, 2026, 03:15 UTC (23h 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 byMandrill (Mailchimp)
Secured byLet's Encrypt
Also usesGoogle Search Console
2 subdomains · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usatkd.org actually stands on - every host below is a signed observation
usatkd.org
A / AAAA
151.101.66.133151.101.130.133151.101.194.133151.101.2.133
unattributedserves the site
NS
ns-1068.awsdns-05.orgns-1646.awsdns-13.co.ukns-312.awsdns-39.comns-821.awsdns-38.net
awsdns-05.org + awsdns-13.co.uk + moreanswers its DNS
MX
mx1-usg1.ppe-hosted.commx2-usg1.ppe-hosted.commx3-usg1.ppe-hosted.com
Mandrill (Mailchimp)receives its email
TLS
usatkd.org
Let's Encryptissued its certificate
DNS Records
A 4
151.101.66.133151.101.130.133151.101.194.133151.101.2.133
MX 3
0mx1-usg1.ppe-hosted.com0mx2-usg1.ppe-hosted.com0mx3-usg1.ppe-hosted.com
TXT 3
NETORGFT6748284.onmicrosoft.comgoogle-site-verification=qjN8w4A-u3daN1hheiXP8zEgE0itLES_RZWno_fJsYIv=spf1 include:_spf-usg1.ppe-hosted.com include:secureserver.net include:spf.mandrillapp.com ~all
NS 4
ns-1068.awsdns-05.orgns-1646.awsdns-13.co.ukns-312.awsdns-39.comns-821.awsdns-38.net
SOA 1
ns-1068.awsdns-05.org awsdns-hostmaster.amazon.com
DMARC_RECORDS 1
v=DMARC1; p=none
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
usatkd.org |
C=US, O=Let's Encrypt, CN=YE1 | Tue, 27 Oct 2026 01:48:20 +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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_4f93f219a6b44bf3- Output Hash
221970c53ba295fa0a348108595c4ce8fc4cc01eaeb7fac5f8b344c0f667f9a0- Signature
ed25519:e3d6b5cd7d932887c9d075860e389917bc8171a95a2a5b900b9a8fdf72eacc2ee176e96185305b65cfbd782fd9547c1ff29968ba759363316f7601beefddec0c- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast