DNS TXT Records: SPF, DKIM, DMARC, and Why One Typo Breaks Everything
TXT records power email authentication and domain verification. Learn what they do, common mistakes, and a typo-proof checklist.
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The Complete Website Security & SEO Audit Guide - A Methodical Approach
A step-by-step guide to auditing your website's security and SEO using free tools, in the optimal order for maximum impact.
Read articleMX Record Priority Explained: What the Numbers Mean (0, 10, 20…)
What the priority number on an MX record actually does, why lower wins, what 0 means, whether two records can share a priority, and how failover really works.
Read articleHow Long Does DNS Propagation Take? (It's Your TTL, Not 48 Hours)
DNS doesn't take 24-48 hours to propagate. Learn how TTL values control DNS caching and how to minimize downtime during DNS changes.
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