<html><head></head><body><div style="font-family:verdana, helvetica, sans-serif;font-size:16px;"><div>All,</div><div><br></div><div>Operating BIND version "<span>BIND 9.9.10-P1 (Extended Support Version)"</span> DNSSEC signing in place. DKIM, SPF and DMARC records are also in place for top-level domain (zone). </div><div><br></div><div>Is an "A" record mandatory entry for top-level domain (zone) when using <span>DNSSEC, DKIM, SPF and DMARC</span> configuration?</div><div><br></div><div>Thanks<br></div></div></body></html>