NSLOOKUP API

Retrieve DNS Records in JSON Format

Access comprehensive DNS records through our reliable and fast API service. Get A, MX, TXT, CNAME, NS, and PTR records for any domain name.

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Comprehensive DNS Records

Access all types of DNS records through a single, powerful API endpoint.

A Records

Map domain names to IP addresses for web hosting and services.

MX Records

Configure mail servers and email routing settings.

TXT Records

Manage SPF, DKIM, and domain verification.

CNAME Records

Create domain aliases and subdomains easily.

Advanced Use Cases

DNS Troubleshooting

Quickly diagnose and resolve DNS configuration issues.

Email Setup Verification

Validate MX records for proper email delivery.

Security Monitoring

Track DNS changes and detect potential threats.

DNS Management Tools

Build powerful DNS administration applications.

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Understanding DNS Records

What are DNS Records?

DNS (Domain Name System) records are instructions that live in authoritative DNS servers and provide information about a domain including IP addresses, mail servers, and other services. They are fundamental to the functioning of the internet.

Types of DNS Records

  • A Records (IPv4 addresses)
  • AAAA Records (IPv6 addresses)
  • MX Records (Mail servers)
  • TXT Records (Text information)
  • CNAME Records (Aliases)

Business Applications

Email Configuration

Verify and configure email servers correctly using MX and SPF records for reliable email delivery.

Security Verification

Implement DMARC and DKIM records to prevent email spoofing and enhance security.

Load Balancing

Distribute traffic across multiple servers using DNS records for improved performance.

DNS Management Best Practices

Implementation Guide

  • DNS Propagation

    Understanding DNS propagation times and TTL values.

  • Security Measures

    Implementing DNSSEC and other security protocols.

  • Record Updates

    Best practices for updating DNS records safely.

Monitoring Benefits

  • Performance Tracking

    Monitor DNS resolution times and server health.

  • Alert Systems

    Get notified of DNS changes and potential issues.

  • Change History

    Track DNS record modifications over time.