sewerin.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 2671 ms crawled 2026-05-18

DE · 185.215.158.240 · AS15817 Mittwald CM Service GmbH & Co. KG

Reputation 100/100

Classifying

HTML metadata

Title

Sewerin

Description

Sewerin technology for gas and water leak detection, biogas measurement, and network locating for utilities, industry, and specialist contractors.

Language

en-GB

Generator

TYPO3 CMS

Canonical

https://www.sewerin.com/en/

Translations

en ×2
de
es
fr
pl
pt

Technology

Analytics

Google Tag Manager

Cookie consent

Cookiebot

Third-party hosts loaded (2)

consent.cookiebot.com×1
www.googletagmanager.com×1

Registration

Registrar

CSL Computer Service Langenbach GmbH d/b/a joker.com

Created

1997-08-14

Expires

2026-08-13 84 days left

Updated

2025-06-17

Name servers

ns01.iok.net
ns02.iok.net
ns03.iok.net
ns04.iok.de

DNS records live

NS

ns01.iok.net
ns02.iok.net
ns03.iok.net
ns04.iok.de

MX

10 exchange.sewerin.com

TXT

domainVerification=2b1af3c9-25e2-4273-8633-d33386a333b1
sophos-domain-verification=5ce8319d14a0cda7d3dd97b1ea8cea7669f1eec8b06061d9d64f5c3a825dd998

Verified for

Microsoft 365

Email authentication strong

SPF

v=spf1 mx a:gate.sewerin.de a:exchange.sewerin.de a:exchange.sewerin.com a:exchange-400.sewerin.de include:agenturserver.de -all

strict (-all)

DMARC

v=DMARC1; p=quarantine; pct=100; adkim=r; aspf=r

policy: quarantine

DKIM

k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…

selectors probed

Certificate (current)

R13

from 2026-05-13 to 2026-08-11

Expires in 83 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.sewerin.com/en/

present

strict-transport-security

findings

missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=31536000; includeSubDomains