DNS and MX Records
MX record setup, DNS configuration, and troubleshooting propagation issues
13
articles
Articles
Learn how to run an MX record lookup, read results, fix misconfigurations, and migrate safely. Covers tools, CLI commands, and common pitfalls.
Read →Learn how reverse DNS lookup for email works, how to set up PTR records, and fix rDNS errors blocking your deliverability in 2026.
Read →Learn what an MX record is, how email routing works, and how to configure MX records for Google, Microsoft 365, and more. Step-by-step setup guide.
Read →Use an MX records checker to diagnose email routing issues fast. Free tools, provider reference tables, CLI commands, and fixes for common misconfigurations.
Read →Learn 6 ways to check if an email domain is valid - MX lookups, Python scripts, tool comparisons, and copy-paste commands. Pricing included.
Read →Step-by-step MX record setup for Google Workspace, Microsoft 365, and more. Includes verification, authentication, and troubleshooting tips.
Read →Step-by-step Google Workspace email setup guide for 2026. Domain verification, MX records, SPF/DKIM/DMARC, migration, and troubleshooting - all on one page.
Read →Set up Google Workspace MX records correctly the first time. Covers both MX configs, SPF/DKIM/DMARC auth, DNS pitfalls, and troubleshooting.
Read →Set up a custom email tracking domain step by step. Covers DNS, SSL, Cloudflare fixes, and ESP-specific CNAME targets for 2026.
Read →Set up a custom email domain in under an hour - MX records, SPF, DKIM, DMARC, provider picks, and the authentication steps most guides skip.
Read →How long do SPF records take to propagate? Usually 1-2 hours, not 24-48. Learn exact timelines, speed tricks, and fixes for stuck records.
Read →Learn how to set up a business email domain with SPF, DKIM, and DMARC authentication. Compare providers, avoid deliverability mistakes, and start sending.
Read →Build email sending infrastructure that lands in inboxes. Authentication, IP warm-up, provider picks, and data quality - the 2026 guide.
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