sdcard.org

Observed Jul 24, 2026, 01:31 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.

Verify this receipt yourself + Watch this domain

Up right now

Runs onCloudflare

Email byMicrosoft 365

Secured byLet's Encrypt

Also usesGoogle Search Console

tranco_100k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat sdcard.org actually stands on - every host below is a signed observation

sdcard.org

A / AAAA

141.193.213.11141.193.213.10

Cloudflareserves the site

ns-1001.awsdns-61.netns-1256.awsdns-29.orgns-1606.awsdns-08.co.ukns-412.awsdns-51.com

awsdns-61.net + awsdns-29.org + moreanswers its DNS

sdcard-org.mail.protection.outlook.commail.sdcard.org

Microsoft 365receives its email

TLS

sdcard.org

Let's Encryptissued its certificate

DNS Records

A 2

141.193.213.11
141.193.213.10

MX 2

10sdcard-org.mail.protection.outlook.com
30mail.sdcard.org

TXT 4

MS=ms99499765
google-site-verification=JRH61C8CyXjXjbco-48gIXlIq-ZOpGh55Xt--HfFEoM
v=spf1 a mx include:spf.smithbucklin.com ~all
v=DMARC1;p=none;rua=mailto:postmaster@smithbucklin.com;fo=1

NS 4

ns-1001.awsdns-61.net
ns-1256.awsdns-29.org
ns-1606.awsdns-08.co.uk
ns-412.awsdns-51.com

SOA 1

ns-1606.awsdns-08.co.uk hostmaster.smithbucklin.com

TLS Certificates (4)

Common Name	Issuer	Expires
`sdcard.org`	C=US, O=Let's Encrypt, CN=YE2	Mon, 28 Sep 2026 13:26:27 +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 (0)

None observed.

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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for sdcard.org. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/sdcard.org">
  <img src="https://domaindrift.io/badge/sdcard.org.svg"
       width="300" height="64" alt="DomainDrift signed observations for sdcard.org">
</a>

Ed25519 Receipt

Receipt ID: rcpt_e33cac1df85de53c
Output Hash: 5482cdcd480bba61e89468b4575d93d7424401da8014208bf06499dd27980339
Signature: ed25519:9e69f7326ea297d8802b7915c3e311f9fc0a488347e333417d6cae7ff7b8e6ced9a7a597ec67cec4afb9340b6b0b67f1548238cb184e7b5a9ae8413944f46d0c
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/sdcard.org