letsdev.de

.de crawl

First seen 2026-04-21 · Last seen 2026-05-15 · ok HTTP/1.1 200 782 ms crawled 2026-05-15

DE · 217.160.0.14 · AS8560 IONOS SE

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
let’s dev GmbH & Co. KG | Die Marke für wegweisende Individualsoftware
Description
Maßgeschneiderte Software-Lösungen für alle Branchen aus einer Hand ► Beratung ✓ User Experience Design ✓ App-, Backend-, Web- & Cloud-Entwicklung ✓
Language
de
Canonical
https://letsdev.de

Open Graph

url
https://letsdev.de
title
let’s dev GmbH & Co. KG | Die Marke für wegweisende Individualsoftware
description
Maßgeschneiderte Software-Lösungen für alle Branchen aus einer Hand ► Beratung ✓ User Experience Design ✓ App-, Backend-, Web- & Cloud-Entwicklung ✓

Technology

Server
Apache

Social

Contact

Phone

Registration

Updated
2024-01-04
Name servers
  • ns1079.ui-dns.biz.
  • ns1079.ui-dns.com.
  • ns1079.ui-dns.de.
  • ns1079.ui-dns.org.

DNS records live

NS
  • ns1079.ui-dns.biz
  • ns1079.ui-dns.com
  • ns1079.ui-dns.de
  • ns1079.ui-dns.org
MX
  • 10 mail.letsdev.de
TXT
Show 7 TXT records
  • brevo-code:3433a681bc094067cca7ffee55f5da43
  • google-site-verification=VLFAGtf0RdYx-v1qf1GvM1zMsrd0d4cUmftn3fklezI
  • jetbrains-domain-verification=3ij7g17ax8girbfmqj52zk7lf
  • f2U6BvSha3w6/mW1zR7Bkd7AUGUijRtvZ/CRxU3Kx2o2Xmf1jyNBXUMGm6RknS2eUukNTepbAmnRTiT7DtiXkQ==
  • linkedin-site-verification=f2573f96-6f62-4ffa-9c72-2af3ad249e0e
  • openai-domain-verification=dv-Uur0s3ZHETd9NEtlXDwgMROD
  • miJn5VzkmgGMqlJ5l0VmW6HY9obeYgVmsdHM/Sxn3iWvQDLYflbKQXUiIeeUK0OiuIXEyzLymjaxOD8J225pWA==

Email authentication strong

SPF
v=spf1 include:mail.letsdev.de include:_spf-eu.ionos.com include:spf.protection.outlook.com ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:postmaster@letsdev.de; ruf=mailto:postmaster@letsdev.de; sp=quarantine; fo=1; pct=100; ri=86400; adkim=r; aspf=r
policy: quarantine · sp=quarantine
DKIM
  • default: v=DKIM1;t=s;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxwFsnlpMTQSewqYBCNcZncQUNs1gzDtFYC8NFPm8RTMAaIpMgkH09DdTjHy9L70tYue9pWhWmdFw+74mWL…
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyqre+wPvnjj0nE/IGCtz31jQrIpCkch9c7GoBFBDnGq+95COo8Oy8DbwHyTfaut5d2kYD4ropMnkI/…
  • k1: v=DKIM1;k=rsa;t=s;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxwFsnlpMTQSewqYBCNcZncQUNs1gzDtFYC8NFPm8RTMAaIpMgkH09DdTjHy9L70tYue9pWhWmdFw…
selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-06-21 to 2026-07-06
Expires in 47 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://letsdev.de/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (4)

Linked from (3)