sf.net

Observed 2026-07-12T22:18:15.251Z (6h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Registered withGoDaddy.com, LLC

95 subdomains · tranco_10k

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

INFRASTRUCTURE MAPwhat sf.net actually stands on - every host below is a signed observation

sf.net

A / AAAA

104.18.21.237104.18.20.237

Cloudflareserves the site

ns21.constellix.comns31.constellix.comns41.constellix.netns51.constellix.net+2 more

constellix.com + constellix.netanswers its DNS

mx.sourceforge.net

sourceforge.netreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://sourceforge.net/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time306 ms

DNS resolutionNOERROR

Redirect chain

https://sourceforge.net/

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

DNS Records

A 2

104.18.21.237
104.18.20.237

MX 1

10mx.sourceforge.net

TXT 5

SourceForge, Inc.
v=spf1 redirect=_spf.sf.net
ca3-f4212f5f769b49b8840bea8a424c9b30
ca3-d544fc84b0da44919971660318584992
v=DMARC1; p=quarantine; sp=none; rua=mailto:kgtkm21q@ag.dmarcian.com;

NS 6

ns21.constellix.com
ns31.constellix.com
ns41.constellix.net
ns51.constellix.net
ns61.constellix.net
ns11.constellix.com

SOA 1

ns11.constellix.com dns.constellix.com

CAA 7

issue awstrust.com
issue letsencrypt.org
issue digicert.com
issue amazonaws.com
issue comodo.com
issue amazontrust.com
issue amazon.com

TLS Certificates (0)

None.

Subdomains (95)

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 sf.net. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 0e526eb6-941d-4bdb-b245-398f44c5435b
Output Hash: 89f15827634188c725ebb210291f539666c6206a591d4e475f041a4db2df0a63
Signature: ed25519:543cc37c28e4ca89c0180bc4ef81f0a96004ff06a543cd181517968796bc876d3281def044673790d9ef510e34527f5701298bfcfd569d4e1ce41d0f1fefe805
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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