ottolehmann.com

.com crawl

First seen 2026-05-02 · Last seen 2026-05-20 · ok HTTP/1.1 200 4662 ms crawled 2026-05-09

US · 198.202.211.1 · AS209242 Cloudflare London, LLC

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: Lehmann — Solar, Bedachung, Entwässerung, Oberflächenveredelung
Description: Lehmann bietet Lösungen in Bedachung, Entwässerung, Solar und Oberflächenveredelung: Aufdachmodulhalter, Metalldachziegel und Feuerverzinkung für Profis.
Language: de
Canonical: https://www.ottolehmann.com

Open Graph

title: Lehmann — Solar, Bedachung, Entwässerung, Oberflächenveredelung
description: Lehmann bietet Lösungen in Bedachung, Entwässerung, Solar und Oberflächenveredelung: Aufdachmodulhalter, Metalldachziegel und Feuerverzinkung für Profis.

Technology

CDN: Cloudflare

Analytics

Fathom

Third-party hosts loaded (4)

cdn.prod.website-files.com×88
cdn.jsdelivr.net×2
cdn.usefathom.com×1
d3e54v103j8qbb.cloudfront.net×1

Social

Contact

Email

mail@ottolehmann.com

Registration

Registrar

IONOS SE

Created

2024-08-18

Expires

2026-08-18 89 days left

Updated

2025-08-28

Name servers

ns1050.ui-dns.biz
ns1063.ui-dns.com
ns1109.ui-dns.de
ns1118.ui-dns.org

DNS records live

NS

ns1050.ui-dns.biz
ns1063.ui-dns.com
ns1109.ui-dns.de
ns1118.ui-dns.org

MX

10 mx00.ionos.de
10 mx01.ionos.de

Email authentication partial

SPF: v=spf1 include:_spf-eu.ionos.com ~all
softfail (~all)
DMARC: v=DMARC1; p=none;
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-04-30 to 2026-07-29

Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (6)

Linked from (1)

otto-lehmann-gmbh.de×1