sigurdgrunberger.com

.com crawl

First seen 2026-04-24 · Last seen 2026-05-15 · ok HTTP/1.1 200 11353 ms crawled 2026-05-18

US · 3.234.189.133 · AS14618 Amazon.com, Inc.

Reputation 87/100 weak security headers no dmarc policy

sector tech type homepage

HTML metadata

Title: sigurdgrunberger.com
Description: cargo.site

Open Graph

url: https://sigurdgrunberger.com
title: sigurdgrunberger.com
description: cargo.site

Technology

Server: Cargo

Analytics

Google Tag Manager

Third-party hosts loaded (3)

build.cargo.site×2
static.cargo.site×1
www.googletagmanager.com×1

Social

Contact

Email

mail@sigurdgrunberger.com

Registration

Registrar

One.com A/S

Created

2016-08-15

Expires

2026-08-15 88 days left

Updated

2025-07-27

Name servers

ns1.cargo.site
ns2.cargo.site

DNS records

Email authentication weak

SPF: v=spf1 include:_custspf.one.com ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

E8

from 2026-03-26 to 2026-06-24

Expires in 36 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://sigurdgrunberger.com/

findings

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

Links to (1)

instagram.com×2

Linked from (1)

ten-letters.com×2