Question 1

What is DNS propagation?

Accepted Answer

DNS propagation is the process of updating DNS records across all DNS servers worldwide. When you make changes to your DNS records, it can take up to 48 hours for these changes to propagate globally.

Question 2

How long does DNS propagation take?

Accepted Answer

DNS propagation typically takes 4-48 hours to complete worldwide, though most changes propagate within 4-8 hours. The time depends on TTL values and DNS server cache settings.

Question 3

What DNS record types can I check?

Accepted Answer

You can check A, AAAA, CNAME, MX, TXT, NS, SOA, PTR, and SRV records. Our tool supports all major DNS record types used for domain configuration.

Question 4

Is NSLookup.am free to use?

Accepted Answer

Yes, NSLookup.am is completely free to use. All DNS tools including propagation checker, MX lookup, reverse DNS, and SPF checker are available at no cost.

Question 5

What is a DMARC record?

Accepted Answer

DMARC (Domain-based Message Authentication, Reporting & Conformance) is an email authentication protocol that helps protect domains from email spoofing. It tells receiving mail servers what to do when emails fail SPF or DKIM checks.

Question 6

How do I create a DMARC record?

Accepted Answer

Use our DMARC Record Generator to create a properly formatted DMARC record. Enter your domain, set your policy (none, quarantine, or reject), add reporting email addresses, and the tool will generate the correct TXT record to add at _dmarc.yourdomain.com.