dupla.com

.com crawl

First seen 2026-05-04 · Last seen 2026-05-16 · ok HTTP/1.1 200 947 ms crawled 2026-05-11

FR · 92.205.163.223 · AS21499 Host Europe GmbH

Reputation 100/100

Classifying

HTML metadata

Title: Dupla
Language: en

Technology

Server: nginx

Third-party hosts loaded (1)

dohse-aquaristik.com×1

Social

Contact

Email

info@dohse-aquaristik.de

Phone

+49222594150

Address

Dohse AquaristikGmbH & Co. KGOtto-Hahn-Str. 953501 Grafschaft - Gelsdorf

Registration

Registrar

Mesh Digital Limited

Created

1996-06-27

Expires

2026-06-26 36 days left

Updated

2025-09-02

Name servers

ns1.dohse-aquaristik.com
pdns02.domaincontrol.com

DNS records live

NS

ns1.dohse-aquaristik.com
pdns02.domaincontrol.com

MX

0 dohseaquaristik-com01c.mail.protection.outlook.com

TXT

have-i-been-pwned-verification=dweb_cy680m5heb5swktc7dsgj4f9

Verified for

Google

Email authentication strong

SPF

v=spf1 a include:spf.protection.outlook.com include:spf.nl2go.com -all

strict (-all)

DMARC

v=DMARC1; p=quarantine

policy: quarantine

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtzQyeQbD6ts6MF0l3XOFJmkG3TfXDKB3cHoaxAMlUi5WNEZ0XxIeLTYp7NF5UAIetbORgYneZqACqQ…
selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA601ZrlKkvHDMuyS3HkVk25yL6teTSUNvNmIbTAZ8EjsCcxH88iXRxP/3Ljl0NM/7OwEN8vetZ5IPTs…

selectors probed

Certificate (current)

R13

from 2026-03-14 to 2026-06-12

Expires in 22 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://dupla.com/EN

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options
referrer-policy

findings

CSP allows unsafe inline scripts/styles
CSP uses wildcard sources
missing Permissions Policy

Header values

referrer-policy: origin
x-frame-options: DENY
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self' https://dohse-aquaristik.com https://hobby-aquaristik.com https://hobby-terraristik.com https://dupla.com https://dupla-marin.com;, default-src 'self' https://dohse-aquaristik.com https://hobby-aquaristik.com https://hobby-terraristik.com https://dupla.com https://dupla-marin.com https://*.newsletter2go.com https://*.chatbase.co https://ajax.googleapis.com https://fonts.googleapis.com https://googleapis.com https://maps.gstatic.com https://maps.googleapis.com; style-src 'unsafe-inline' 'self' https://fonts.googleapis.com https://googleapis.com https://fonts.gstatic.com https://*.chatbase.co; script-src 'unsafe-inline' 'unsafe-eval' 'self' https://*.newsletter2go.com https://ajax.googleapis.com https://googleapis.com
strict-transport-security: max-age=17280000; includeSubDomains; preload