DNS Guides
Plain-English guides to DNS records, propagation, and nameservers - from the team behind free DNS hosting at ice.domains.
What Is DNS and How Does It Work?
DNS (Domain Name System) translates human-readable domain names into IP addresses. Learn how DNS lookups work, what nameservers do, and why DNS matters for every website.
Read guideWhat Is a DNS A Record?
An A record maps a domain name to an IPv4 address. Learn the A record format, TTL, wildcard A records, and how to create one - with practical examples.
Read guideWhat Is a CNAME Record?
A CNAME record aliases one domain name to another. Learn when to use CNAME vs A records, the root-domain limitation, and how ALIAS records solve it.
Read guideWhat Is an MX Record?
MX records tell the internet which servers receive email for your domain. Learn MX priority, example setups for Gmail and Microsoft 365, and common mistakes.
Read guideWhat Is a TXT Record?
TXT records store text data in DNS - used for SPF, DKIM, DMARC email authentication and domain ownership verification. Learn formats and real examples.
Read guideDNS Propagation: How Long Do DNS Changes Take?
DNS changes are not instant everywhere: caches expire on TTL timers. Learn what DNS propagation really is, typical timeframes, and how to make changes go live faster.
Read guideHow to Change Nameservers on Any Registrar
Step-by-step guide to changing your domain's nameservers at GoDaddy, Namecheap, and other registrars - and pointing them at free DNS hosting safely, with zero downtime.
Read guideWhat Is Anycast DNS?
Anycast DNS announces the same IP from many locations, so queries are answered by the nearest server. Learn how anycast routing works and why it improves speed and uptime.
Read guidePut it into practice with free DNS hosting
Unlimited zones and records on a global anycast network. Works with domains registered anywhere.
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