NIST SP 800-81r3: what the new DNS security guide changes
Full analysis of NIST SP 800-81r3, released March 19, 2026. Protective DNS, DNSSEC, encrypted DNS: the key recommendations for securing your infrastructure.
Articles - Page 4
March 2026
HTTP redirects: how to detect loops, chains and suspicious shortened links
Complete guide to identifying redirect loops, excessive chains and suspicious shortened links. Diagnosis, fixes and security best practices.
Ballot SC-085v2: certificate authorities now verify DNSSEC before issuing a TLS certificate
Since March 15, 2026, the CA/Browser Forum requires CAs to verify DNSSEC during domain validation. This guide covers the context, impact, and how to check your configuration.
SC-081v3: 47-day TLS certificates, why it matters and how to prepare
The CA/Browser Forum voted to progressively reduce TLS certificate lifetimes from 398 to 47 days by March 2029. Timeline, rationale, impact, and practical guide.
DMARCbis: the complete guide to understanding and migrating to the new DMARC standard
DMARCbis replaces RFC 7489, drops the PSL in favor of the DNS Tree Walk, adds three tags and splits reporting into three documents. This guide covers everything: how it works, migration, compliance.
Domain name lifecycle: expiration, protection, and best practices
From registration to release: understand every stage of the domain lifecycle, the risks at each phase, and the protections to enable.
RDAP vs WHOIS: the complete guide to the transition (EPP codes, GDPR, domain locks)
WHOIS is retiring. RDAP replaces it. This guide covers everything: technical comparison, EPP codes, GDPR impacts, domain locks, and a migration plan.
301 vs 302 redirect: understand the differences, SEO impact and succeed with your domain migration
301 permanent or 302 temporary? Understand the SEO impact of each code, avoid common mistakes and follow our domain migration checklist.
Vanity URLs, link tracking and QR codes: the complete guide to marketing redirects
Create memorable branded links, track clicks and measure offline-to-online traffic with smart redirects.
