DNS Lookup
Check common DNS record types for websites, email and domain troubleshooting.
Open tool →Check DNS records, WHOIS information and your public IPv4 address, then learn what the results actually mean. Built for website owners, hosting support, sysadmins and anyone tired of DNS mystery soup.
Enter a domain and choose the record type. Results are checked from the server running this site, so they may differ from your local resolver cache.
The original DNSNow tools are still here, just wrapped in a cleaner interface with explanations, examples and internal links.
Check common DNS record types for websites, email and domain troubleshooting.
Open tool →Look up domain registration and registry data where public WHOIS information is available.
Open tool →Check the public IPv4 address seen by DNSNow, with quick notes for hosting support checks.
Open tool →Practical articles that support the tools and give you clean, relevant internal links across the site.
Learn what a DNS lookup is, how domain names become IP addresses, which DNS records matter, and when to use a DNS lookup tool.
Read guide →A practical guide to common DNS record types including A, AAAA, CNAME, MX, TXT, NS, SOA, PTR and CAA records.
Read guide →Learn how to check A, MX, TXT, NS and CNAME records from the command line using dig, host and nslookup.
Read guide →A practical guide to common DNS issues including wrong A records, missing MX records, broken CNAMEs, nameserver mistakes and cached answers.
Read guide →Understand SPF, DKIM and DMARC DNS records, how they help protect domains, and how to check email authentication settings.
Read guide →Learn practical Linux commands for DNS and website troubleshooting including dig, host, nslookup, curl, ping, traceroute and grep.
Read guide →