openjsf.org

Observed 2026-07-13T14:32:13.269Z (9h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byAmazon SES

Also usesHubSpot

3 subdomains · tranco_40k

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

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

openjsf.org

A / AAAA

76.76.21.21

Cloudflareserves the site

ns3.dnsimple-edge.ions2.dnsimple-edge.netns1.dnsimple-edge.comns4.dnsimple-edge.org

dnsimple-edge.io + dnsimple-edge.net + moreanswers its DNS

mx1.forwardemail.netmx2.forwardemail.net

Amazon SESreceives its email

HTTPS probe

ok Responding normally (2xx) 200 OK

HTTP status200

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time384 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 1

76.76.21.21

MX 2

10mx1.forwardemail.net
10mx2.forwardemail.net

TXT 3

v=spf1 include:8112310.spf10.hubspotemail.net include:amazonses.com include:spf.forwardemail.net -all
forward-email-site-verification=Lwm1Njs9m6
v=DMARC1; p=none; sp=none; rua=mailto:dmarc@openjsf.org

NS 4

ns3.dnsimple-edge.io
ns2.dnsimple-edge.net
ns1.dnsimple-edge.com
ns4.dnsimple-edge.org

SOA 1

ns1.dnsimple-edge.com admin.dnsimple.com

TLS Certificates (0)

None.

Subdomains (3)

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 openjsf.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: b0080b7d-867d-4440-8248-da64fd543565
Output Hash: 0ed7bb4d22a37892de477f6f209e40098b5e034c71c0ba4814ce2657af1641e0
Signature: ed25519:29fee465dd67c68ff60aa8c7b06f0bb7d9eefcedaf92c95d1c502fef89fbec6812ff8d5865042a561df4c3bb12c0d85c82507d75bc220f0140281512482cfa0c
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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