DNS Lookup
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Comprehensive DNS System & Record Guide
Understand global DNS architecture, record propagation, and performance optimization for SEO and security.
The Domain Name System (DNS) is the foundational phonebook of the global Internet. It translates human-friendly hostnames (like seolytix.com) into numeric IP addresses (like 104.21.48.1) required for machine-to-machine routing. A well-optimized DNS configuration reduces initial lookup latency, eliminates single points of failure, and protects domain reputation against email spoofing.
Web Routing
A (IPv4) and AAAA (IPv6) records point your domain directly to server IP addresses. Dual-stack support is now mandatory for modern mobile network performance.
Mail Routing
Mail Exchanger (MX) records route incoming messages to mail servers based on priority values. Backup MX records safeguard against message delivery loss.
SPF / DKIM / DMARC
Carries authentication policies to prove email authenticity to providers (Gmail, Outlook), preventing spoofing and spam folder placement.
Zone Authority
SOA holds serial numbers and refresh timers, while NS records identify the authoritative nameservers delegating your zone.
Questions Fréquemment Posées (FAQ)
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