PTR and Reverse DNS: Why Some Mail Servers Care About Your IP’s Name
Learn what PTR records and reverse DNS are, why mail servers check them, and how to set them up correctly for better email delivery and trust.
Practical guides about domains, DNS records, email security, and domain management. Written in simple language for beginners, small business owners, and marketers.
Learn what PTR records and reverse DNS are, why mail servers check them, and how to set them up correctly for better email delivery and trust.
Learn what DMARC DNS records are, how they work with SPF and DKIM, and how to set a safe policy for your domain using a simple step-by-step approach.
Learn how DKIM DNS records and email signatures work, why they matter for deliverability, and how to set them up to protect your domain from spoofing.
Understand SPF DNS records in clear language. Learn how they protect your domain from email spoofing and how to create a correct SPF policy.
Learn what TXT records in DNS are, why services use them for SPF, verification and security, and how to add TXT records safely for your domain.
Learn what MX records are, how they control where email is delivered for your domain, and how to set them up correctly without breaking anything.