introweb.net

.net dns

First seen 2026-05-02 · Last seen 2026-05-21 · ok HTTP/1.1 200 472 ms crawled 2026-05-08

NL · 80.65.96.114 · AS20847 Previder B.V.

Reputation 62/100 wrong cert weak security headers no dmarc policy

Classifying

HTML metadata

Title: Web Server's Default Page
Language: en

Technology

Server: nginx

Third-party hosts loaded (1)

www.previder.com×1

Social

Registration

Registrar

Realtime Register B.V.

Created

1997-09-22

Expires

2026-09-21 122 days left

Updated

2025-09-22

Name servers

nsauth1.introweb.nl
nsauth2.introweb.nl
nsauth3.introweb.net

DNS records live

NS

nsauth1.introweb.nl
nsauth2.introweb.nl
nsauth3.introweb.net

MX

50 relay.introweb.nl

Verified for

Microsoft 365

Email authentication weak

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

Certificate (current) wrong cert

R12

from 2026-05-04 to 2026-08-02

Expires in 73 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://introweb.net/

findings

checked over plain HTTP
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy