marcin.com

.com crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 207 ms crawled 2026-05-30

US · 162.159.140.98 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Marcin Jamro, PhD, DSc, Eng. - Developer's Soul. Researcher Mind. Entrepreneur’s Grit.
Description: Marcin Jamro, PhD, DSc, Eng. - The Architect of Digital Assets. Combining algorithms, AI, and scientific precision with business luxury.
Language: en
Canonical: https://marcin.com/

Open Graph

url: https://marcin.com/
title: Marcin Jamro, PhD, DSc, Eng. - Developer's Soul. Researcher Mind. Entrepreneur’s Grit.
description: Combining algorithms & AI with quiet luxury. Discover the ecosystem of digital assets.

Technology

CDN: Cloudflare

Fonts

Google Fonts

Third-party hosts loaded (5)

fonts.googleapis.com×2
linkedin.com×2
fonts.gstatic.com×1
www.amazon.com×1
x.com×1

Social

Registration

Registrar

GoDaddy.com, LLC

Created

1998-08-11

Expires

2028-08-10 801 days left

Updated

2025-04-14

Name servers

ns1.digitalocean.com
ns2.digitalocean.com
ns3.digitalocean.com

DNS records live

NS

ns1.digitalocean.com
ns2.digitalocean.com
ns3.digitalocean.com

MX

1 aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

Verified for

Google

Email authentication weak

SPF

not published

DMARC

not published

DKIM

google: v=DKIM1;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApZmKe3luDbAeZkjoh23/AFMGmZQkgAi7QFrDrvdXQz3BARodwCQF2x+lAOYYat63dSCic3LaqcV1KXF0…

selectors probed

Certificate (current)

WE1

from 2026-05-16 to 2026-08-14

Expires in 75 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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