newsletter-software-supermailer.de

.de crawl

First seen 2026-04-23 · Last seen 2026-05-16 · ok HTTP/1.1 200 6817 ms crawled 2026-05-17

DE · 93.90.195.219 · AS8560 IONOS SE

Reputation 87/100 weak security headers no dmarc policy

sector tech type app saas

HTML metadata

Title: Newsletter Software SuperMailer, Newsletter Software zum Newsletter erstellen und HTML Newsletter versenden
Description: Newsletter Software zum Newsletter erstellen und Newsletter versenden, HTML Newsletter im Newsletter Tool erstellen
Generator: Newsletter Software SuperMailer

Technology

Server: nginx

Third-party hosts loaded (14)

www.supermailer.de×13
www.inetcollect.de×2
www.birthdaymailer.de×1
www.followupmailer.de×1
www.http2mail.de×1
www.lanmailserver.de×1
www.mailboxfetcher.de×1
www.rsswriter.de×1
www.serialletterandfax.de×1
www.smsout.de×1
www.superinvoice.de×1
www.supermailinglist.de×1
www.superspamkiller.de×1
www.superwebmailer.de×1

Registration

Updated

2019-09-24

Name servers

nsa0.schlundtech.de.
nsb0.schlundtech.de.
nsc0.schlundtech.de.
nsd0.schlundtech.de.

DNS records live

NS

nsa0.schlundtech.de
nsb0.schlundtech.de
nsc0.schlundtech.de
nsd0.schlundtech.de

MX

10 newsletter-software-supermailer.de

Email authentication weak

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-03-19 to 2026-06-17

Expires in 27 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://newsletter-software-supermailer.de/

findings

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

Links to (16)

Linked from (6)