Nslookup Alternatives

All of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool.

DNSstuff offers DNS tools, Network tools, Email tools, DNS reporting and IP information gathering.

Transform your IT service delivery with SysAid's seamless automation, ensuring a consistently exceptional experience for all users effortlessly

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IntoDNS checks the health and configuration and provides DNS report and mail servers report.

DNS is a free online service to check your domain’s servers for common DNS and mail errors and produces a report with explanations how to fix them.

Free DNS related tools including Reverse IP Lookup, DNS Propagation Checker, Chinese Firewall Test...

Check DNS Propagation worldwide. DNS Checker provides name server propagation check instantly. Changed nameservers so do a DNS lookup and check if DNS and nameservers have propagated.

free

Free DNS performance analytics

Open Source

Open source domain intelligence lookups for security recon

Check Domain Name System (DNS) records for any website.

SolveDNS works to check your name servers, a records, and mail servers, SOA records for errors, consistency, efficiency and speed using several DNS tests.

Instantly check your domain names current IP address and DNS record information against multiple name servers located in different parts of the world.

SPFtoolbox is a Javascript and PHP app to look up DNS records such as SPF, MX, Whois, and more

Open Source

WhoisAPI is the premier provider of freshly parsed whois data for domain names and IP addresses...