DNS blog and troubleshooting guides
Clear answers for domain owners, developers, and marketers working with DNS records, propagation, email authentication, and lookup results.
DNS Propagation: What It Means, Why It Takes Time, and How to Check It
Learn what DNS propagation means, why TTL caching causes delays, and how to verify your domain record updates globally using reliable tools.
How to Change Nameservers Without Website or Email Downtime
Follow a step-by-step migration checklist to copy DNS records, lower TTLs, and verify delegation without interrupting your website or email.
DNS TTL Explained: Choose the Right Cache Time
Balance faster changes, resolver load, and reliability by selecting an appropriate DNS TTL strategy.
NS Records and Authoritative Nameservers: A Complete Guide
Understand how DNS delegation works, how to perform an accurate NS record lookup, and how to spot mismatched or stale nameserver configurations.
TXT Records: Verification, Email Security, and Troubleshooting
Master TXT records for domain ownership verification, SPF, DKIM, and DMARC configuration with practical lookup and troubleshooting steps.
AAAA Records Explained: Add IPv6 to Your Domain Safely
Learn how to publish IPv6 addresses using AAAA records in your DNS configuration without disrupting existing IPv4 traffic.
A Records Explained: Point a Domain to an IPv4 Address
Understand the fundamentals of A records in DNS, how to properly configure them to point your domain to an IPv4 address, and how to troubleshoot propagation issues.