si.com

Observed 2026-07-13T22:12:08.903Z (14h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Registered withMarkMonitor Inc.

Also usesDocuSignGoogle Search ConsoleFacebook/MetaAtlassian

5 subdomains · tranco_5k

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

INFRASTRUCTURE MAPwhat si.com actually stands on - every host below is a signed observation

si.com

A / AAAA

44.241.188.2435.83.190.225

Cloudflareserves the site

ns-741.awsdns-28.netns-474.awsdns-59.comns-1819.awsdns-35.co.ukns-1157.awsdns-16.org

awsdns-28.net + awsdns-59.com + moreanswers its DNS

aspmx.l.google.comalt4.aspmx.l.google.comalt3.aspmx.l.google.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.si.com/

HTTP status301

Servercloudflare

TLS protocolHTTP/3

TLS issuernot observed

Behind Cloudflareyes

Response time106 ms

DNS resolutionNOERROR

Redirect chain

https://www.si.com/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 2

44.241.188.24
35.83.190.225

MX 5

1aspmx.l.google.com
10alt4.aspmx.l.google.com
10alt3.aspmx.l.google.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 30

MS=ms80782080
docusign=550d3e50-7b29-4e9b-8edb-272c801fb362
apple-domain-verification=rGtFLx1dBQPK35RZ
google-site-verification=WlbkowvStwyJiUSuqTdyEA7-DFv5aEdzBZAJX2lIHHc
airtable-verification=cc7c4ecba9339dd98d28575a1f939dc6
facebook-domain-verification=yyyv3w5rx5pkpu6j4b5mvsqmknfwck
lAipka1cQ8WGr8k1FL9n7R4EV5UM2nrExypMNU7Squm/OkzjwHKtd7BRjv1gMOjcHt0l9IIEhu0vYfQbA6Qu1Q==
google-site-verification=K71xxdZMmsclZj94rwAHN4-KqN7-71w4TCxWjEpIDOI
MS=ms22369655
google-site-verification=JM0HYeXMzwZJ1PpC42J2vgYeE-NR_zreDuTMeJmNtPA

NS 4

ns-741.awsdns-28.net
ns-474.awsdns-59.com
ns-1819.awsdns-35.co.uk
ns-1157.awsdns-16.org

SOA 1

ns-1819.awsdns-35.co.uk awsdns-hostmaster.amazon.com

TLS Certificates (0)

None.

Subdomains (5)

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 si.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: dd326c6d-ab6c-4ddf-842c-d239d15fb47b
Output Hash: 1ef4700e953250af766e1ee6d76f626f6b0bb5f3dd4019191025374ea6bae93e
Signature: ed25519:d112bff01f1fc1c928110adb2ac2f55cee955ae243e60c0923819e853ba45ab3f522a89aa5c2d79997d1fbff19fc6b424424c944f5ee5dbf56ddac1c89f37001
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/si.com