![Tutorial on NslookUp - Command-Line Tool to Query DNS Records [Examples]](https://www.meridianoutpost.com/resources/articles/command-line/images/nslookup-non-authoritative-answer.png "Tutorial on NslookUp - Command-Line Tool to Query DNS Records [Examples]")
Tutorial on NslookUp - Command-Line Tool to Query DNS Records [Examples]
What Is Reverse DNS and How Does It Work? {How to Do a rDNS Lookup}
![SOLVED] Setting correct SMTP HELO host, domain name, PTR records for e-mail server - Support - NethServer Community](https://community.nethserver.org/uploads/db8506/optimized/3X/2/c/2caa171a789531734180ce90ffac6f8725f8fe0a_2_1024x484.png "SOLVED] Setting correct SMTP HELO host, domain name, PTR records for e-mail server - Support - NethServer Community")
SOLVED] Setting correct SMTP HELO host, domain name, PTR records for e-mail server - Support - NethServer Community
What Is Reverse DNS and How Does It Work? {How to Do a rDNS Lookup}
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