sift.co
Observed Jul 24, 2026, 01:59 UTC (17h 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
Secured byLet's Encrypt
tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat sift.co actually stands on - every host below is a signed observation
sift.co
A / AAAA
198.49.23.145198.185.159.145198.185.159.144198.49.23.144
unattributedserves the site
NS
ns-1414.awsdns-48.orgns-1676.awsdns-17.co.ukns-71.awsdns-08.comns-880.awsdns-46.net
awsdns-48.org + awsdns-17.co.uk + moreanswers its DNS
MX
sift-co.mail.protection.outlook.com
Microsoft 365receives its email
TLS
sift.co
Let's Encryptissued its certificate
DNS Records
A 4
198.49.23.145198.185.159.145198.185.159.144198.49.23.144
MX 1
10sift-co.mail.protection.outlook.com
TXT 3
7rusdoouaiqb11jflle20btoilv=spf1 include:spf.protection.outlook.com -allv=DMARC1; p=none; rua=mailto:dmarc-reports@sift.co
NS 4
ns-1414.awsdns-48.orgns-1676.awsdns-17.co.ukns-71.awsdns-08.comns-880.awsdns-46.net
SOA 1
ns-880.awsdns-46.net awsdns-hostmaster.amazon.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
sift.co |
C=US, O=Let's Encrypt, CN=YR1 | Wed, 07 Oct 2026 19:27:54 +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 (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 receiptEd25519 Receipt
- Receipt ID
rcpt_3666d97b31c03e8e- Output Hash
174ea1186c382159bd4f0b434bc4215373a6ffc76ab5dcf3ed7c6c58603462c2- Signature
ed25519:6a6d8c8b7f041843c1ff6555944fa379bc938e798bf49aab5189e14d7660d78b8275a62cd6bd9b7083f8e380927610c7f44723bf4765a3cee14d896533c64604- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast