DNS foundations
How zones, nameservers, A, AAAA, CNAME, MX, TXT and TTL values fit together.
Open guide →Knowledge base
Focused explanations for common domain and email operations.
How zones, nameservers, A, AAAA, CNAME, MX, TXT and TTL values fit together.
Open guide →A practical path through SPF, DKIM and DMARC without breaking legitimate mail.
Open guide →A checklist for copying records, testing authority and managing propagation.
Open guide →