fredrikj.net

.net crawl

First seen 2026-04-13 · Last seen 2026-05-09 · ok HTTP/1.1 200 2130 ms crawled 2026-05-07

DE · 78.159.99.205 · AS28753 Leaseweb Deutschland GmbH

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: Fredrik Johansson's website

Technology

Server: nginx

Fonts

Google Fonts

Third-party hosts loaded (2)

fonts.googleapis.com×2
fonts.gstatic.com×1

Social

Registration

Registrar

Gandi SAS

Created

2004-09-10

Expires

2027-09-10 479 days left

Updated

2025-08-12

Name servers

ns1.de.opalstack.com
ns1.sg.opalstack.com
ns1.us.opalstack.com
ns2.de.opalstack.com
ns3.de.opalstack.com

DNS records live

NS

ns1.de.opalstack.com
ns2.de.opalstack.com
ns3.de.opalstack.com

MX

10 mx1.de.opalstack.com
10 mx2.de.opalstack.com

TXT

google-site-verification=sW4X5GYgg9h2t-Mh-W6NAaBAIIpHS1P4v8HTBzqzp7Q

Email authentication strong

SPF

v=spf1 include:spf.opalstack.com ~all

softfail (~all)

DMARC

v=DMARC1; p=none

policy: none (monitoring only)

DKIM

dkim: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCtzWt3g62mVVi+4R9FUF8LF7ilWssso7Ka7ff5eOQl/QCl29WZ6U3+agP7VlHFhl9LTlnIdO0sNhOPOe6E7A…

selectors probed

Certificate (current)

R12

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

Expires in 74 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://fredrikj.net/

findings

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