indexo.dev

acid21.com

.com crawl

First seen 2026-05-30 · Last seen 2026-05-30 · ok HTTP/1.1 200 223 ms crawled 2026-05-31

US · 166.117.102.149 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Digitalagentur Berlin & Heidelberg | E-Commerce, Webdesign & Apps | ACID21 GmbH
Description
ACID21 – Ihre führende Digitalagentur in Berlin und Heidelberg für maßgeschneiderte E-Commerce- Lösungen, Webdesign und App-Entwicklungen. Schreiben Sie uns.
Language
de-DE
Canonical
https://acid21.com/
Translations
  • de
  • en

Open Graph

url
https://acid21.com/
title
Digitalagentur Berlin & Heidelberg | E-Commerce, Webdesign & Apps | ACID21 GmbH
site name
ACID21
description
ACID21 – Ihre führende Digitalagentur in Berlin und Heidelberg für maßgeschneiderte E-Commerce- Lösungen, Webdesign und App-Entwicklungen. Schreiben Sie uns.

Technology

Server
nginx
Analytics
  • Google Tag Manager

Third-party hosts loaded (4)

  • acid21.b-cdn.net×2
  • cloud.ccm19.de×1
  • js.hsforms.net×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone
Address
Ebertystr. 21, 10249, Berlin, DE

Registration

Registrar
Amazon Registrar, Inc.
Created
2000-08-01
Expires
2026-08-01 59 days left
Updated
2026-05-13
Name servers
  • ns-1058.awsdns-04.org
  • ns-2019.awsdns-60.co.uk
  • ns-314.awsdns-39.com
  • ns-692.awsdns-22.net

DNS records live

NS
  • ns-1058.awsdns-04.org
  • ns-2019.awsdns-60.co.uk
  • ns-314.awsdns-39.com
  • ns-692.awsdns-22.net
MX
  • 10 acid21-com.mail.protection.outlook.com
TXT
  • one-time-verification=7022e8dc-a726-41c9-b773-62d7b42e2ffc
Verified for
  • Atlassian
  • Google
  • Microsoft 365

Email authentication partial

SPF
v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:49413430.spf02.hubspotemail.net -all
strict (-all)
DMARC
v=DMARC1; p=none; rua=mailto:dmarc@acid21.uriports.com; ruf=mailto:dmarc@acid21.uriports.com; fo=1:d:s
policy: none (monitoring only)
DKIM
Show 5 DKIM selectors
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCxE3qlQTxBW0qsc+IbN55ttOwDYn+gS3O+tkmyUxgzrSta3UK6/SmiaXVO5TtTN45pzmJAxVf9/LrUhGhjE6…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwjwcqD+fbgB9wx1Pe1su+ZWxDvYee6RTrzugPYED1v0es04IYzqCNOTYztz4mhFzYho+dkSYqU9hgI…
  • k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3K8dTW94xRvWRfvaWAbZ/XkzCsqUSzR/ffLm6RIUip1Gclex1nUhzyUXbi+69cAYA2idiCINCMbUhDdbRP…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDF6JkFaE1wMSjKoqvFaxKg0a8Lvmy7kTYSDbLnnVKla2kf6og6VmyKFsQc5Y2UPgBIyGWYOcjUeJgfD6IiP0Lz//…
selectors probed

Certificate (current)

Amazon RSA 2048 M03
from 2025-06-27 to 2026-07-27
Expires in 54 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://acid21.com/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
deny
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubDomains

Links to (4)

Linked from (1)