Original writing on domain hygiene, the protocols behind WHOIS and DNS, and what the data on every result page actually means — for people who want to understand, not just look up.
DNSSEC adds cryptographic signatures to DNS responses so a resolver can verify the answer hasn't been tampered with. Here's the mechanism, the math, and why adoption stalled at ~5% of zones in 2026.
Read the pieceOld domains rank better in Google. New domains get marked as suspicious by spam filters. Both claims are oversimplified. Here's what domain age actually predicts and what it doesn't.
Every HTTPS connection presents a chain of certificates. Here's how to read one — what each field means, why intermediate certificates exist, and what 'chain incomplete' actually breaks.
Before May 2018, WHOIS lookups returned the registrant's name, email, address, and phone number. Then GDPR happened. Here's what changed, what registries do now, and how to read a redacted record.