Skip to content Use the LeadCanal Domain Scanner to analyze your domain’s DNS records and email authentication setup in one click. This tool helps you check SPF, DKIM, DMARC, and BIMI records to identify issues affecting your email deliverability and domain reputation.
The LeadCanal Domain Scanner helps businesses analyze their email authentication setup by checking SPF, DKIM, and DMARC records in one place. The tool scans your domain’s DNS configuration, validates authentication records, and identifies issues that may affect deliverability and sender reputation.
Whether you are running cold email campaigns, newsletters, or business outreach, maintaining a healthy domain setup is essential for reliable inbox placement.
A domain scanner checks the DNS records responsible for email authentication and domain security. The LeadCanal Domain Scanner performs live DNS lookups to verify whether your SPF, DKIM, and DMARC records are configured correctly.
The scanner helps businesses:
By identifying authentication issues early, businesses can protect their domain reputation and maintain healthy outreach systems.
SPF, DKIM, and DMARC are email authentication protocols used by providers like Gmail, Outlook, and Microsoft 365 to verify whether emails are legitimate.
SPF validates authorized sending servers, DKIM verifies email signatures, and DMARC defines how receiving providers should handle authentication failures.
Together, these protocols help improve deliverability and reduce spoofing or phishing risks.
Email providers evaluate your domain configuration before deciding whether emails should reach the inbox, promotions tab, or spam folder.
A properly authenticated domain helps:
Without proper authentication records, emails are more likely to be filtered or rejected.
SPF verifies the sending source, DKIM validates message integrity, and DMARC applies policy enforcement based on authentication alignment.
When configured correctly, these protocols create a complete authentication framework that improves deliverability and domain trust.
Many businesses experience deliverability issues because of incorrect DNS setups.
Common issues include:
Regular domain scanning helps identify and fix these problems before they impact campaigns.
Setting up email authentication involves adding DNS records to your domain settings.
SPF authorizes sending servers, DKIM validates email signatures, and DMARC defines domain protection policies. Together, these records help providers trust your emails and improve inbox placement.
A healthy domain setup is essential for reliable email communication. Monitoring SPF, DKIM, and DMARC records regularly helps businesses maintain sender reputation and reduce spam filtering.
The LeadCanal Domain Scanner helps identify authentication issues and improve domain health for scalable outreach and marketing campaigns.
SPF, DKIM, and DMARC are configured by adding DNS TXT records to your domain settings. SPF authorizes sending servers, DKIM validates email signatures, and DMARC defines authentication policies and reporting preferences.
Email authentication works by verifying the sending server (SPF), validating the email signature (DKIM), and applying authentication policies (DMARC). Together, these protocols help receiving providers trust your emails.
SPF, DKIM, and DMARC are email authentication standards designed to improve deliverability, prevent spoofing, and protect domain reputation.
Yes. DMARC relies on SPF and/or DKIM alignment to authenticate emails successfully. Without SPF or DKIM configured correctly, DMARC validation may fail.
DMARC does not require both SPF and DKIM to pass simultaneously, but at least one aligned authentication method must pass for DMARC to succeed.
Using both SPF and DKIM together provides stronger authentication and better deliverability.
SPF verifies the sending source, DKIM validates the message signature, and DMARC enforces authentication policies based on SPF and DKIM alignment.
Together, they help providers determine whether emails are legitimate.
These records are added through your DNS provider or domain hosting platform. Each record is published as a TXT entry in your domain’s DNS settings.
You can use a domain scanner or email authentication checker to verify whether your SPF, DKIM, and DMARC records are published and configured correctly.
The LeadCanal Domain Scanner performs live DNS lookups to analyze SPF, DKIM, and DMARC records in one place and identify configuration issues affecting deliverability.
The LeadCanal Domain Scanner provides businesses with a simple way to analyze domain authentication, identify DNS issues, and improve email deliverability.
Whether you are troubleshooting spam issues or setting up a new outreach system, the scanner helps maintain a healthy domain infrastructure.
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