arena-berlin.de

Observed Jul 25, 2026, 23:05 UTC (7d 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.

Verify this receipt yourself + Watch this domain

Up right now

Secured byLet's Encrypt

1 subdomain · majestic

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

INFRASTRUCTURE MAPwhat arena-berlin.de actually stands on - every host below is a signed observation

arena-berlin.de

A / AAAA

185.157.176.44

unattributedserves the site

ns4.atndns.comns2.atndns.dens1.atndns.dens3.atndns.com

atndns.com + atndns.deanswers its DNS

mail3.atnd.netmail2.atnd.net

atnd.netreceives its email

TLS

arena.berlin

Let's Encryptissued its certificate

DNS Records

A 1

185.157.176.44

MX 2

10mail3.atnd.net
10mail2.atnd.net

TXT 1

v=spf1 include:spf.atnd.net mx -all

NS 4

ns4.atndns.com
ns2.atndns.de
ns1.atndns.de
ns3.atndns.com

SOA 1

hosting1.atnd.de atnd.atnd.de

SRV 1

exchange.atnd.de:443 p0

TLS Certificates (4)

Common Name	Issuer	Expires
`arena.berlin`	C=US, O=Let's Encrypt, CN=YE1	Sun, 04 Oct 2026 18:23:05 +0000
`YE1`	C=US, O=ISRG, CN=Root YE	Sat, 02 Sep 2028 23:59:59 +0000
`Root YE`	C=US, O=Internet Security Research Group, CN=ISRG Root X2	Thu, 02 Sep 2032 23:59:59 +0000
`ISRG Root X2`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

www.arena-berlin.de

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 arena-berlin.de. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_64d4e40c494ac28d
Output Hash: 95cbaf1c3a59a39320bd63ec52ac81a22f788780ed3a2a773546353c1fb08e39
Signature: ed25519:c187b10fc2b269dce84e4b59e65eae9aea3b1061dc880e45e3de24241abd2b7a60e67a2d5c99db9b90c818a3d334af36a639b97b53b4e89eb227f97db21c2b03
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/arena-berlin.de