Blog
Practical guides and data reports on DNS, domains, hosting, SSL, website technology and email security.
Uncovering Shadow IT: Finding Unauthorized Cloud ASNs on Corporate Networks
Learn how to uncover shadow IT unauthorized cloud ASNs on your corporate network using advanced routing analysis and expert network engineering tools.
Why Sysadmins Need Real-Time ASN Data for Firewall Rule Management
Discover how sysadmins use real-time ASN data for firewall rules to block threats, optimize traffic, and secure networks against evolving cyber attacks.
How CDN Infrastructure Affects Hostname to IP Resolution
Discover how CDN impact on hostname resolution changes DNS lookups, routing traffic, and performance. Learn how to troubleshoot with practical tools.
How to Resolve DNS Poisoning and Cache Spoofing Vulnerabilities
Learn how to prevent DNS cache poisoning attacks. Master DNS security extensions, secure resolvers, and configuration best practices to protect your network.
Understanding Algorithm Types in DNSSEC: RSA vs. ECDSA
Compare DNSSEC algorithms RSA and ECDSA to choose the best option for your zone security, key sizes, and performance. Learn how to configure them.
How to Audit Your Entire Organization's DNS for Missing CAA Protections
Learn how to audit domain CAA records across your entire organization to prevent unauthorized SSL certificate issuance and secure your infrastructure.
How to Set Up CAA Records in Gandi Domain Management Interface
Learn how to easily set up Gandi DNS CAA records to secure your domain and prevent unauthorized SSL certificates. Step-by-step expert guide.
Auditing Corporate Domain portfolios for Missing DS Records at Registries
Learn how to audit corporate domains missing DS records at registries to prevent DNS hijacking and spoofing. Secure your DNS infrastructure today.
Namecheap Private DNS: Configuring TXT Records Correctly
Learn how to configure Namecheap private DNS TXT records correctly. Follow our expert step-by-step guide, avoid common errors, and verify fast.
How to Check Which Certificate Authorities Can Issue Certificates for a Domain
Learn how to check allowed certificate authorities for a domain using DNS CAA records. Protect your site from unauthorized SSL issuance securely.
How Developers Use DNS Lookup APIs in Applications
Master the dns lookup api for developers with practical code examples, record syntax, JSON parsing tips, and error handling strategies.
How to Troubleshoot SSL Certificate Chain Errors
Learn how to troubleshoot SSL certificate chain errors, fix missing intermediate certificates, and validate your HTTPS setup step by step.