CONTINUOUS INTERNET TELEMETRY24H DRIFT48,070 material changesacross 42,435 domains · 24h to ~80m agoNOW562 curated domains not reachablelast probe, steadySITE ERRORS34,613 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 155,962 sites429 rate-limit / 403 bot-block, a posture signal

ren21.net

Observed Jul 27, 2026, 21:55 UTC (4d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.

Up right now
Email byMicrosoft 365
Secured byLet's Encrypt
Also usesMiro
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ren21.net actually stands on - every host below is a signed observation
ren21.net
A / AAAA
141.94.75.19
unattributedserves the site
NS
ns.s.plusline.dens.plusline.de
plusline.deanswers its DNS
MX
ren21-net.mail.protection.outlook.com
Microsoft 365receives its email
TLS
ren21.net
Let's Encryptissued its certificate

DNS Records

A 1

  • 141.94.75.19

MX 1

  • 0ren21-net.mail.protection.outlook.com

TXT 3

  • v=spf1 include:spf.protection.outlook.com -all
  • MS=ms97796822
  • miro-verification=f52318074288f4e1bb648250e86607affccfa470

NS 2

  • ns.s.plusline.de
  • ns.plusline.de

SOA 1

  • ns.plusline.de hostmaster.plusline.de

TLS Certificates (3)

Common NameIssuerExpires
ren21.net C=US, O=Let's Encrypt, CN=YR1 Thu, 01 Oct 2026 14:33:55 +0000
YR1 C=US, O=ISRG, CN=Root YR Sat, 02 Sep 2028 23:59:59 +0000
Root YR C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

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 ren21.net. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for ren21.net <a href="https://domaindrift.io/t/ren21.net"> <img src="https://domaindrift.io/badge/ren21.net.svg" width="300" height="64" alt="DomainDrift signed observations for ren21.net"> </a>

Ed25519 Receipt

Receipt ID
rcpt_1e829024591b0b92
Output Hash
a582fdf5d19b5775adbd30389e5f412861117c4d9751f14e7eabd3313d228346
Signature
ed25519:5c6a290667166a09c5f139cf5583eaadf807738b5cfd26875fb8cf66bd78fbbc555aeebde7b89d0af777921cff6a598fcac7e056a5921f2ffc92ffdb65426a0f
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser