Your emails landing in spam? Your domain getting spoofed? Bad DNS is usually the cause. This tool checks your SPF, DKIM, DMARC, DNSSEC, and blacklist status in about 10 seconds.
SPF tells email servers which IPs can send mail for your domain. Without it, anyone can send email pretending to be you. We check if your SPF record exists, is valid, and does not exceed the 10-lookup limit.
DKIM adds a cryptographic signature to your emails. This proves the message was not modified in transit. We verify your DKIM selector is published and the key is valid.
DMARC tells receiving servers what to do when SPF or DKIM fails: do nothing, quarantine, or reject. We check your DMARC policy and report settings.
MX records point to your mail servers. Missing MX records mean you cannot receive email at all. We verify your MX records exist and the servers respond.
DNSSEC digitally signs your DNS records. This prevents attackers from redirecting your domain to malicious servers. We check if DNSSEC is enabled and properly configured.
We check your domain and IP against Spamhaus, SURBL, URIBL, SpamCop, and Barracuda. Being listed on any of these will tank your email deliverability.
After scanning thousands of domains, here is what we see most often:
Missing or misconfigured SPF, DKIM, or DMARC records are the most common cause. When email servers cannot verify your domain sent the message, they treat it as suspicious. Run our DNS health check to see exactly what is missing.
SPF lists which servers can send email for your domain. DKIM adds a cryptographic signature proving the email was not altered. DMARC tells receiving servers what to do when SPF or DKIM checks fail. You need all three for reliable email delivery.
Adding DNS records takes a few minutes in your registrar or hosting panel. DNS propagation typically takes 1-24 hours depending on TTL settings. Most email providers will start trusting your domain within 24-48 hours after fixing SPF/DKIM/DMARC.