Articles & Guides
Useful resources for web developers and system administrators
Found 46 · DNS · Reset
DNS
What Is DNS: How It Works and Why You Need It, Explained
What is DNS and how it works: the full path of a lookup, resolver roles, caching and TTL, private DNS over TLS and HTTPS, plus how to check records with dig.
DNS
How to Configure DNS Settings: Windows, Mac, Router, Domain
Configure DNS settings: change the DNS server on Windows 11, macOS, Android or a router, or set A, CNAME, MX and NS records for a domain, then verify.
DNS
How to Change DNS Server: Windows, macOS, Linux, Android
How to change the DNS server on Windows 10 and 11, macOS, Linux, Android, iOS and your router: step-by-step paths, PowerShell and resolvectl commands, verification.
DNS
Best DNS Servers 2026: 1.1.1.1, 8.8.8.8, 9.9.9.9 Compared
Free public DNS server addresses for IPv4 and IPv6: Cloudflare 1.1.1.1, Google 8.8.8.8, Quad9 9.9.9.9, AdGuard, OpenDNS. Pick by goal, test latency.
DNS
How to Check a Domain's MX Record
How to check a domain's MX record: a DNS check or dig, what the priorities and an empty answer mean, common mail problems and the link to SPF/DKIM/DMARC.
DNS
How to Connect a Domain to Hosting: Step by Step
Two ways to connect a domain to hosting: change the NS servers or add an A record. Step by step, how long DNS takes to update, and how to confirm it worked.
DNS
DNS_PROBE_FINISHED_NO_INTERNET: Meaning and Fixes
DNS_PROBE_FINISHED_NO_INTERNET: Chrome got no answer from a DNS resolver. Fix: restart the router, flush DNS, reset Winsock, use 1.1.1.1 or 8.8.8.8.
DNS
SOA DNS Record: Fields, Serial, and How to Read It
Understand the SOA DNS record: all fields (MNAME, RNAME, serial, refresh, retry, expire, minimum), the YYYYMMDDnn serial format, zone transfers, and dig checks.
DNS
SRV Record: DNS Syntax, Priority, Weight and Examples
An SRV record (RFC 2782) maps a service to a host and port: _sip._tcp.example.com SRV 10 60 5060 sip.example.com. Priority, weight, lookups.
DNS
TXT DNS Record: What It's For and How to Add It
What a TXT DNS record is and why you need it (verification, SPF, DKIM, DMARC, BIMI), the 255-character limit, quoting syntax, and how to add and verify it.