frederikuldall.dk

.dk crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 1041 ms crawled 2026-06-01

DK · 5.103.46.104 · AS44869 FIBIA P/S

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title

Frederik Uldall | Author | MSc |

Description

Language

da-DK

Generator

All in One SEO (AIOSEO) 4.9.7.2

Canonical

https://frederikuldall.dk

Feeds

Open Graph

url: https://frederikuldall.dk
title: Frederik Uldall | Author | MSc |
locale: da_DK
site name: Frederik Uldall | Author - MSc
description: UFO | UAP | Nærdødsoplevelser | Near-Death Experiences | UFO'er | UFOs | Sociology of the Paranormal | Ignorance | Scientific Knowledge | Danmark

Technology

Server: Apache
CMS: WordPress
jQuery: 3.7.1

Analytics

Google Tag Manager

Ads

Google AdSense

Social widgets

YouTube Embed

Third-party hosts loaded (5)

www.youtube.com×18
pagead2.googlesyndication.com×2
gmpg.org×1
www.googletagmanager.com×1
www.researchgate.net×1

Social

DNS records live

NS

ns4.dns-123.net
ns5.dns-123.net
ns6.dns-123.net

MX

10 server6104.serverpark.dk

Email authentication partial

SPF: v=spf1 a mx include:_spf.serverpark.dk ~all
softfail (~all)
DMARC: v=DMARC1; p=none;
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-04-08 to 2026-07-07

Expires in 34 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://frederikuldall.dk/

findings

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