KathMann.com is the personal blog of Mark H. Kathmann, a networking and systems engineer, PHP developer, and occasional website designer based in The Hague, Netherlands. The site is aimed at a general tech-curious audience and focuses on "geek info," covering topics relevant to Kathmann's professional background. It is a personal, independently run site rather than a commercial or organizational presence.
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Authority
33/100
Safety
90/100
Registered
Nov 11, 1997
28 years old · Sav.com, LLC
3 of 5 safety checks passed (Sep 8, 2026).
AboutUs has not vetted this site. 2 of 5 automated safety checks did not pass. Everything below is what we could measure automatically. Anything you do on the site — paying, sharing personal details, downloading — is between you and the site, not AboutUs.
Current facts
What AboutUs observed on the live site and in WHOIS/DNS today. These are measurements, not an endorsement of the site.
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Domain registered Nov 11, 1997 — 28 years old.
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Registrar today: Sav.com, LLC — unchanged since AboutUs began tracking (Jul 25, 2026).