DNS
IPv6-First Domains: AAAA-Only Strategies and Real-World Breakage
The technical and practical complexities of IPv6-only domain strategies—simplification, cost reduction, and global reachability risks.
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NameSilo Staff
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Domain Names
Reserved Names You Can't Register: Special-Use Labels Explained
Learn about reserved domain names—those unavailable due to IETF standards, registry policies, or security needs—and how these restrictions maintain DNS stability.
DNS
DNS Logging that Matters: Query Sampling, Retention, and Privacy
Master effective DNS logging—implement query sampling, tiered retention, and privacy techniques like IP anonymization to enhance security and reduce operational/privacy risks.
DNS
SPF Macros & Security: Powerful, Rarely Understood, Easy to Misuse
Explore SPF macros—dynamic placeholders for conditional email authorization. Understand the risks: data leakage, DNS lookup inflation—and safer alternatives.
Domain Security
ACME Challenges Deep Dive: HTTP-01 vs DNS-01 vs TLS-ALPN-01
Deep dive into ACME domain validation challenges—HTTP-01, DNS-01, and TLS-ALPN-01—to choose the right method for reliable certificate automation.
Domain Names
CZDS Basics: Using Zone File Access for Market Research (Without Crossing Lines)
Use ICANN's CZDS zone file access for market research, security analysis, and TLD growth tracking—but learn where the ethical lines are drawn.
Domain Names
Registrar Data Escrow Explained: How Your Domains Survive Worst-Case Scenarios
ICANN's Registrar Data Escrow (RDE) safeguards your domain data if a registrar fails or loses accreditation—covering registration, DNS, and lifecycle information.
Branding
Brand Continuity in the Age of Rebrands: How to Transition Domains Without Losing Authority
Learn how to maintain brand continuity and preserve SEO authority during a domain rebrand. Explore strategies for redirects, DNS consistency, user trust, and performance.
DNS
When DNS History Haunts You: How Legacy Records Create Vulnerabilities Years Later
Legacy DNS records create hidden vulnerabilities and weaken security. Learn how outdated entries impact performance, routing, and trust, and how to prevent long‑term DNS risks.
Domain Names
The Hidden Cost of Bad Subdomain Strategy: How Fragmented Naming Hurts SEO and User Trust
Learn how a fragmented subdomain strategy weakens SEO, confuses users, and reduces trust. Discover best practices for a cleaner, more effective domain structure.
DNS
Domain Session Integrity: Why Stable DNS Sessions Matter in a Multi-Device World
Learn why DNS session integrity has become essential for performance, trust, and security as users move across multiple devices and networks.
Infrastructure
Predictive Domains: How AI and DNS Telemetry Prevent Outages Before They Happen
Discover how AI and DNS telemetry work together to detect early failure signals and prevent domain outages before they impact your users.