Question 1

What is a DNS checker?

Accepted Answer

A DNS checker queries and validates your domain's DNS records including A, AAAA, NS, MX, and SOA records. It helps troubleshoot DNS issues and verify DNS propagation.

Question 2

How long does DNS propagation take?

Accepted Answer

DNS propagation typically takes 24-48 hours globally, though changes may appear within minutes on some nameservers depending on TTL values.

Question 3

What DNS records should I check?

Accepted Answer

Essential records include A (IPv4), AAAA (IPv6), NS (nameservers), MX (mail), SOA (zone authority), and TXT records (SPF, DKIM, DMARC).

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