DNS Records
Learning about DNS records is inevitable during your DMARC journey. This category contains articles about DNS record types and how to use them.
36 articles
What Is SOA Record In DNS?
Understanding DNS Records: A Comprehensive Technical GuideThis comprehensive guide explains DNS records and their role in domain management, email security, and website accessibility, focusing on SPF, DKIM, and DMARC.
DNS MX Record: Configuration, Lookup, and Best PracticesThis article explains DNS MX records, their configuration, and how to check them using various tools for reliable email delivery.
Top 8 Most Common Types of DNS RecordsA comprehensive guide explaining the top 8 most common DNS records and their roles in website accessibility, security, & performance.
What is a CNAME Record and How to Create It?A comprehensive guide explaining CNAME records, their use cases, setup instructions, and best practices for DNS management and email security.
What is a DNS “A” Record and How to Add One to Your DNS?
Understanding the BLACKLIST-DOMAIN Checker Tool: A Technical GuideCheck if your domain is blacklisted across multiple databases to ensure smooth email delivery and protect your domain's reputation.
Optimizing TXT Records for Email Authentication Protocols: A Guide for Enhanced Email SecurityLearn how to optimize TXT records for SPF, DKIM, and DMARC to enhance email security and prevent spoofing with best practices and validation tools.
Setting Up CAA Records for Enhanced Certificate Authority Security
Why NS Records Lookup Matters for Compliance?Learn how to verify, troubleshoot, and ensure compliance with your domain’s NS records for improved DNS reliability and security.
Why DKIM Keys Fail and How to Regenerate a New OneLearn why DKIM authentication fails and how to generate and configure a new DKIM key for secure email delivery.
The Role of SRV Records in Email & How to Configure Them CorrectlyLearn how SRV records enhance email security, enable service discovery, and optimize mail server configurations with step-by-step setup and troubleshooting.
Why Email Authentication Alone Won’t Stop CybercriminalsUse DNS records to detect and block email spoofing attempts, ensuring secure and authenticated email communication.
How CNAME Flattening Affects Email AuthenticationDiscover how CNAME Flattening affects SPF, DKIM, and DMARC email authentication protocols, and learn how to avoid common DNS misconfigurations that compromise email security.
How Incorrect MX Records Can Cause Email Delivery FailuresDiscover how incorrect MX records can disrupt email delivery and learn simple, effective fixes to keep your emails flowing smoothly.
TTL Settings Too High? Here’s How They’re Delaying Your Email DeliveryOptimize TTL settings for faster email delivery with DMARC using YourDMARC.
Your SPF Record Is Too Long—Here’s Why That’s a ProblemLearn why an overly long SPF record can harm your email security and how to fix it for better email compliance.
How to Fix ‘DNS_PROBE_FINISHED_NXDOMAIN’ Error in Domain LookupsFix the ‘DNS_PROBE_FINISHED_NXDOMAIN’ error quickly with easy troubleshooting tips for domain lookups. 🚀
How to Validate and Fix Errors in Your TXT RecordsEnsure your TXT records are correctly configured by validating and fixing errors to improve email authentication and DNS reliability.
How to Check If Your MX Records Are Correctly ConfiguredEnsure seamless email delivery by checking and fixing your MX records with this step-by-step guide.
Troubleshooting Reverse DNS Issues with PTR Lookups: A Practical GuideResolve email delivery issues with PTR lookups by troubleshooting Reverse DNS errors effectively.
How to Confirm If Your Nameservers (NS) Are Set Up CorrectlyCheck and verify your nameserver (NS) setup for proper domain functionality and seamless website access.
Why Is My SRV Record Not Working? Let’s Fix It!Troubleshoot and fix SRV record issues with step-by-step solutions, DNS lookup tools, and expert tips.
CAA Lookup Errors: Why Your SSL Certificate Might Be RejectedFix CAA lookup errors to prevent SSL certificate rejection and ensure smooth issuance.
How to Validate and Troubleshoot DS and DNSKEY RecordsValidate and troubleshoot DS and DNSKEY records to ensure seamless DNSSEC security and prevent domain validation failures.
Common MTA STS Errors and How to Fix ThemFix common MTA STS errors to ensure secure email delivery and prevent mail failures.
How SOA Serial Numbers Work and Best Practices for UpdatesLearn how SOA serial numbers work and the best practices for keeping your DNS records updated efficiently.
How TTL Settings in SOA Records Impact Domain PerformanceOptimize TTL settings in SOA records to improve DNS performance, reduce downtime, and ensure faster domain updates.
Checking SOA Records for DNSSEC-Enabled DomainsEnsure DNSSEC integrity by validating SOA records for consistent and secure domain resolution.
What Are SRV Records and Why Are They Important?Learn how SRV records optimize service routing, load balancing, and redundancy for seamless connectivity.
How to Set Up Reverse DNS (PTR) for SPF Compliance & Email AuthenticationLearn how to set up Reverse DNS (PTR) for SPF compliance and improve email authentication to prevent spoofing and enhance deliverability.
DNS Propagation Delays After SPF Flattening: What to Do?Learn how to handle DNS propagation delays after SPF flattening with expert tips, FAQs, and troubleshooting strategies for seamless email authentication.
Adjusting SPF Flattening for Large Organizations with Multiple DomainsOptimize SPF records for large organizations to prevent email spoofing and ensure seamless email authentication.
Best Practices for Maintaining an Updated SPF Flattening SetupOptimize your SPF flattening setup with best practices, troubleshooting tips, and expert strategies for improved email authentication and deliverability.
How to Test SPF Flattening to Ensure It’s Functioning ProperlyLearn how to test SPF flattening effectively to ensure optimal email deliverability and security.
How Lookalike Domains Target Retail Brands & How to Stop ThemRead how lookalike domains are tricking retail brands in 2025, and what practical steps you can take.