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What Is Reverse DNS and How Does It Work? {How to Do a rDNS Lookup}
What is Reverse DNS Lookup & Why Should You Care?
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What Is Reverse DNS and How Does It Work? {How to Do a rDNS Lookup}
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![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
How to setup Reverse DNS - Knowledgebase - PL-Services B.V.
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Could not reverse lookup 172.17.175.1 in DNS, error 9003. Warning: No Ptr Record found For Domain.
Block messages if client's IP address has no reverse DNS entry (PTR) – KerioConnect Support
![SOLVED] DNS Reverse lookup issues](https://content.spiceworksstatic.com/service.community/p/post_images/0000097949/558d837f/attached_image/Capture.PNG "SOLVED] DNS Reverse lookup issues")
SOLVED] DNS Reverse lookup issues
