Top Deliverability’s Blog
GlockApps: What is Reverse DNS (rDNS)- Reverse DNS Lookup
- May 16, 2022
- Posted by: Top Deliverability
- Category: Email Services GlockApps Industry News
GlockApps just posted another insightful story:
There are many ways to prevent spam, such as implementing SPF, DKIM, DMARC, and BIMI. But lesser-known forms of email authentication including reverse DNS (Domain Name System) are equally as important. So, what is reverse DNS or an rDNS lookup? Reverse DNS (rDNS) is essentially a reverse IP lookup. It is a type of email authentication that is used to match your mail server IP address to your hostname. This post will cover: How does Reverse DNS work?What is the difference between forward DNS and reverse DNS?Why are Reverse DNS Lookups Important?How to Set Up Reverse DNS RecordWhat is PTR record?What is in-addr.arpa?Step 1) Create Reverse DNS ZoneStep 2) Create PTR RecordHow to do a Reverse DNS LookupHow to Fix a Reverse DNS ErrorReverse DNS does not match SMTP bannerDefault Exchange SMTP Banner:Optimized SMTP Banner:How to change the SMTP banner in Exchange 2013 or 2016Cpanel SMTP Solution:SMTP Banner Best Practices:Takeaway…
Read more: What is Reverse DNS (rDNS)- Reverse DNS Lookup
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- Term: Spam
- Term: Sender Policy Framework (SPF)
- Term: DomainKeys Identified Mail (DKIM)
- Term: Domain Message Authentication Reporting & Conformance (DMARC)
- Term: Brand Indicators for Message Identification (BIMI)
- Term: Authentication
- Term: Reverse DNS (rDNS)
- Term: Domain Name System (DNS)
- Term: IP Address
- Term: Forward
- Term: Pointer Record (PTR)
- Term: Simple Mail Transfer Protocol (SMTP)
- Term: Deliverability
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- Term: Spam
- Term: Sender Policy Framework (SPF)
- Term: DomainKeys Identified Mail (DKIM)
- Term: Domain Message Authentication Reporting & Conformance (DMARC)
- Term: Brand Indicators for Message Identification (BIMI)
- Term: Authentication
- Term: Reverse DNS (rDNS)
- Term: Domain Name System (DNS)
- Term: IP Address
- Term: Forward
- Term: Pointer Record (PTR)
- Term: Simple Mail Transfer Protocol (SMTP)
- Term: Deliverability
- Term: Email Service Provider (ESP)
- Term: SpamAssassin
- Term: Accelerated Mobile Pages (AMP)
- Term: Extended Simple Mail Transfer Protocol (ESMTP)