DNSLens DNSLens
📧 Email Authentication 🌐 DNS Tools 🔒 Security & SSL 🖥️ Website Analysis 📦 CMS Scanners
View All Tools
Learn Blog Favorites
Loading...
All Tools 📧 Email Authentication 🌐 DNS Tools 🔒 Security & SSL 🖥️ Website Analysis 📦 CMS Scanners
Learn Blog Favorites
Your IP: Loading...

Learn About DNS

Understanding how the Domain Name System works is essential for managing your website and email. Explore our guides below.

📋

DNS Record Types

Learn about A, AAAA, CNAME, TXT, and other DNS record types and when to use each one.

Read Guide →
🌐

Nameservers Explained

Understand how nameservers connect your domain name to your DNS records and hosting provider.

Read Guide →
📧

MX Records & Email

Learn how MX records route email to your mail servers and configure email for your domain.

Read Guide →
🔒

Email Security (SPF, DKIM, DMARC)

Protect your domain from email spoofing with SPF, DKIM, and DMARC authentication.

Read Guide →
📦

WordPress Security

Learn how to secure your WordPress site, detect vulnerabilities, and protect against attacks.

Read Guide →

Newsletter

Get occasional DNS / email security tips. No spam.

© 2026 DNSLens. Instant DNS Insights.

Free Tools Learn Contact Privacy Affiliate Disclosure
Cookies We use Google Analytics to understand site usage. Click Accept to continue or Reject to opt out. Learn more