CONTINUOUS INTERNET TELEMETRY24H DRIFT1,204 material changesacross 1,099 domains · -432 vs yesterdayDNS DRIFT13 domains changed DNS providertop destination commonmx.com · -4 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination improvmx.com · -3 vs yesterdayNOW29,995 curated domains not answering+15,572 vs yesterdayERRORS8,524 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED2,335 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT1,204 material changesacross 1,099 domains · -432 vs yesterdayDNS DRIFT13 domains changed DNS providertop destination commonmx.com · -4 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination improvmx.com · -3 vs yesterdayNOW29,995 curated domains not answering+15,572 vs yesterdayERRORS8,524 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED2,335 throttled or blocked our scanner429 rate-limit / 403 bot-block

pen.org

Observed 2026-07-15T02:12:51.124Z (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Guarded by a firewall
Runs onCloudflare
Email byGoogle Workspace
Also usesGoogle Search Console
IPv6 · 2 subdomains · non_profit
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat pen.org actually stands on - every host below is a signed observation
pen.org
A / AAAA
172.66.133.210172.66.139.1652606:4700:10::ac42:85d22606:4700:10::ac42:8ba5
Cloudflareserves the site
NS
lex.ns.cloudflare.comirma.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx3.googlemail.comaspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.com+1 more
Google Workspacereceives its email

HTTPS probe

bot_blocked Blocked our probe (WAF / bot protection) 403 blocked by cloudflare - bot protection active
HTTP status403
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time359 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 2

  • 172.66.133.210
  • 172.66.139.165

AAAA 2

  • 2606:4700:10::ac42:85d2
  • 2606:4700:10::ac42:8ba5

MX 5

  • 50aspmx3.googlemail.com
  • 10aspmx.l.google.com
  • 20alt1.aspmx.l.google.com
  • 30alt2.aspmx.l.google.com
  • 40aspmx2.googlemail.com

TXT 7

  • google-site-verification=M_FNIE7LQHkHaRncglkIVBnSLqqd2DZCuA4XQo6T8XE
  • v=spf1 include:_spf.google.com include:mailgun.org include:outboundmail.convio.net include:outboundmail.blackbaud.net include:_spfprod.ngpvan.com ~all
  • w8h27zm17svy5l9r2fn2z7tjq56ry7vz
  • google-site-verification=bJ8YIlbNYVO4VBsZr8rJ5ggKuisC8h3srlO5pbrHc8o
  • v=DMARC1; p=quarantine; rua=mailto:9c8c39319ca8466090abe945e46cff33@dmarc-reports.cloudflare.net
  • v=DKIM1; (detected)
  • v=DNSSEC1; (detected)

NS 2

  • lex.ns.cloudflare.com
  • irma.ns.cloudflare.com

SOA 1

  • irma.ns.cloudflare.com dns.cloudflare.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 pen.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
ab422541-b826-45f6-a058-0e65ca747f8e
Output Hash
4fbef5238057b468cefe3e06f866e7525dc5b2d2bce31bb94a4cb75edb710ad3
Signature
ed25519:e5d137ba41b197ce254e3d182223eef4b67026c4d238155c4828a305229e832fc93ab44095ee94fb50fddc6c957eda82d6b3feb56b032150250efdcdac75ad04
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser