Topic
DNS Troubleshooting
2 posts
How to Use nslookup to Find SPF Records: A Complete Guide
Learn how to perform an nslookup spf record check on Windows, Mac, and Linux. Master reverse spf lookups, historical searches, and fix nested include errors.
May 24, 2026·13 min read
How to Check SPF Record with Dig: The Complete CLI Guide
Learn how to check your SPF record using the dig command-line tool. Troubleshoot email deliverability, audit DNS TXT records, and fix the 10-lookup limit.
May 21, 2026·16 min read