Frequently Asked Questions
Comprehensive answers to the most common questions about DNS, propagation, WHOIS, IP addresses, and internet speed. Browse by topic or use Ctrl+F to search.
About This FAQ
This FAQ page answers the most common questions our users ask about DNS management, domain names, email configuration, and network diagnostics. The questions are organized by topic — DNS propagation, DNS lookup, WHOIS, IP geolocation, speed testing, and general questions about our tools.
DNS is one of the most fundamental technologies of the internet, yet it is often misunderstood or overlooked until something breaks. Whether you are setting up a new website, migrating hosting providers, configuring email for your domain, or troubleshooting why some users cannot reach your site, understanding DNS is essential. This FAQ aims to make DNS concepts accessible to everyone — from beginners setting up their first domain to experienced developers investigating complex DNS issues.
If you do not find the answer you are looking for below, use our free DNS tools to investigate your domain directly. The DNS Lookup Tool lets you query any record type, the DNS Propagation Checker shows global propagation status, and the TXT Record Lookup helps diagnose email authentication issues.
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DNS Propagation Questions
DNS Lookup Questions
WHOIS Lookup Questions
IP Address Lookup Questions
Internet Speed Test Questions
General Tool Questions
Explore Our Free DNS Tools
Reading about DNS is useful, but sometimes you need to see it in action. Our free tools let you check real DNS data for any domain instantly — no login, no limits.
DNS Propagation Checker
Monitor DNS changes across 28+ global server locations in real-time
DNS Lookup Tool
Query A, AAAA, MX, NS, TXT, CNAME, SOA records from multiple servers
WHOIS Lookup
Find domain owner, registrar, registration and expiry dates
MX Record Lookup
Check email server DNS configuration for any domain
TXT Record Lookup
Verify SPF, DKIM, DMARC email authentication records
Blacklist Checker
Check if your domain or IP is on email spam blacklists