stumbleupon.com

Observed 2026-07-15T05:26:56.402Z (11h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Registered withMarkMonitor Inc.

2 subdomains · tranco_5k

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

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

stumbleupon.com

A / AAAA

32.197.93.544.207.169.16532.196.80.54

Cloudflareserves the site

ns-1950.awsdns-51.co.ukns-358.awsdns-44.comns-1116.awsdns-11.orgns-521.awsdns-01.net

awsdns-51.co.uk + awsdns-44.com + moreanswers its DNS

alt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.com+1 more

Google Workspacereceives its email

HTTPS probe

ok Responding normally (2xx) 200 OK

HTTP status200

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time331 ms

DNS resolutionNOERROR

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

DNS Records

A 3

32.197.93.5
44.207.169.165
32.196.80.54

MX 5

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

TXT 2

v=spf1 include:_spf.google.com ~all
v=DKIM1; (detected)

NS 4

ns-1950.awsdns-51.co.uk
ns-358.awsdns-44.com
ns-1116.awsdns-11.org
ns-521.awsdns-01.net

SOA 1

ns-521.awsdns-01.net awsdns-hostmaster.amazon.com

TLS Certificates (0)

None.

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; nothing leaves your machine.

Verify this receipt

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

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

Ed25519 Receipt

Receipt ID: 9af516a5-8472-49e0-b133-66bc25043da2
Output Hash: 2b0af78152bc15cfc740a0616cfb5a728de9d181cce35ffcdf8fc32e03d18956
Signature: ed25519:ae249e14c42c1e600ce1fa0618b3a90f672f5759b1eadb618e0a3edfc84dbe6aa1e06c002c5e34918ddbfe08aeaa7c8e551cdb632b9ca6dcee851140089d7f00
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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