sera.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-19 · ok HTTP/1.1 200 1142 ms crawled 2026-05-07

DE · 185.233.55.238 · AS15817 Mittwald CM Service GmbH & Co. KG

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title

Aquaristik, Terraristik, Gartenteich | sera

Description

Hochwertige Produkte für Aquaristik, Terraristik & Gartenteich: ✔Fischfutter ✔Aquarienzubehör ✔Gartenteichzubehör ✔Terrarien. ▶ Jetzt entdecken!

Language

Generator

TYPO3 CMS

Canonical

https://www.sera.de/de/

Translations

en ×2
bg
cs
de
el
es
fr
it
nl
pl
pt
ru
tr

Open Graph

url: https://www.sera.de/de/
description: Hochwertige Produkte für Aquaristik, Terraristik & Gartenteich: ✔Fischfutter ✔Aquarienzubehör ✔Gartenteichzubehör ✔Terrarien. ▶ Jetzt entdecken!

Technology

Server: Apache

Third-party hosts loaded (1)

a9.com×1

Social

Registration

Updated

2026-04-13

Name servers

ns1.domaindiscount24.net.
ns2.domaindiscount24.net.
ns3.domaindiscount24.net.

DNS records live

NS

ns1.domaindiscount24.net
ns2.domaindiscount24.net
ns3.domaindiscount24.net

MX

10 mx01.hornetsecurity.com
20 mx02.hornetsecurity.com
30 mx03.hornetsecurity.com
40 mx04.hornetsecurity.com

TXT

v=DMARC1; p=none; rua=mailto:postmaster@sera.de; ruf=mailto:postmaster@sera.de; sp=none; ri=86400

Verified for

Apple
Google
Microsoft 365

Email authentication strong

SPF

v=spf1 mx ip4:195.243.133.203 ip4:213.144.15.173 ip4:109.71.73.39 ip6:2a05:cc00::73:39:10 include:spfa.sera.de include:spfb.sera.de include:spfc.sera.de mx:sera.biz include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf.eu.exclaimer.net -all

strict (-all)

DMARC

v=DMARC1; p=quarantine; pct=90; rua=mailto:postmaster@sera.de; ruf=mailto:postmaster@sera.de; sp=none; ri=604800

policy: quarantine · pct=90 · sp=none

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuyDkv3txY3+XQ9vMuvSQ3c9UGGNgi/nvQeJzMP+XCO2VaOUJW0ZnRvHYf30DZzuZ60puuMQn3BIgKs…
selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyHCfH0J2/0N7CAdowRN5Gx7/iTugZ1y/h9IZkHPEe8AqEH/6VGrZ0L/fGbSXc1s8/Xcr/lCGFnL1xC…

selectors probed

Certificate (current)

RapidSSL TLS RSA CA G1

from 2025-06-02 to 2026-06-14

Expires in 24 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.sera.de/de

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