bollfilter.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 913 ms crawled 2026-05-18

DE · 167.235.63.51 · AS24940 Hetzner Online GmbH

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title

Industrial Filter Manufacturer | Bollfilter

Description

Industrial Filter Manufacturer ➜ Boll & Kirch Filterbau GmbH is your reliable and certified specialist for the filtration of liquids & gases

Language

Generator

TYPO3 CMS

Canonical

https://www.bollfilter.com/

Translations

de-de
en-us
es-es
fr-fr
pt-pt

Open Graph

url: https://www.bollfilter.com/
title: Industrial Filter Manufacturer | Bollfilter
site name: Bollfilter
description: Industrial Filter Manufacturer ➜ Boll & Kirch Filterbau GmbH is your reliable and certified specialist for the filtration of liquids & gases

Technology

Server: Apache

Analytics

Google Tag Manager

Third-party hosts loaded (4)

www.googletagmanager.com×3
consent.cookiebot.eu×2
px.ads.linkedin.com×1
unpkg.com×1

Social

Contact

Email

Phone

Address

Registration

Registrar

Hetzner Online GmbH

Created

1997-01-17

Expires

2027-01-18 243 days left

Updated

2026-02-02

Name servers

ns.second-ns.com
ns1.your-server.de
ns3.second-ns.de

DNS records live

NS

ns.second-ns.com
ns1.your-server.de
ns3.second-ns.de

MX

0 bollfilter-com.mail.protection.outlook.com

TXT

Show 5 TXT records

ms-domain-verification=9120db2a-3272-4450-a933-7dd14368691f
B0O0L60915
MS=ms99199991
apple-domain-verification=EPMCbBBtXJwgiwZw
docusign=f721fd87-53fe-47e4-9ad0-1a50d4eb95a9

Email authentication partial

SPF

v=spf1 include:spf.protection.outlook.com include:spf.de.umantis.com ip4:85.214.17.136 -all

strict (-all)

DMARC

v=DMARC1; p=none; rua=mailto:dmarc_rua@bollfilter.com,mailto:dmarc_agg@vali.email

policy: none (monitoring only)

DKIM

selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCldk78jmYFLWo7rpRw1IlWhIBkE5CnCdVuEUAgkKCFtMT8PLp9TwV+ujvnvCQN9w48EXwU6IkpHSx9i2IGeJ…

selectors probed

Certificate (current)

Thawte TLS RSA CA G1

from 2026-01-05 to 2027-02-06

Expires in 262 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.bollfilter.com/

present

x-content-type-options

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing Referrer Policy
missing Permissions Policy

Header values

x-content-type-options: nosniff