Resource Articles
Protect Your Website & Domain – Free Security Scan
Learn the basics of email and domain security, including SPF, DKIM, and DMARC, and how to protect your business from phishing and impersonation attacks.
Free scan • Takes ~1–2 minutes • No signup required
Email and domain security basics
Email and domain security are critical parts of your overall website security.
Even if your website is secure, attackers can still target your domain or email systems to impersonate your business, send fraudulent messages, or gain unauthorized access.
Understanding the basics of email and domain security helps you protect your brand, your customers, and your communications.
Check your website security now
Why email and domain security matters
Your domain is the foundation of your online presence, and your email is one of the most common attack vectors.
Without proper protection, attackers can:
- Send phishing emails using your domain
- Impersonate your business or employees
- Trick customers into sharing sensitive information
- Damage your brand reputation and trust
Email and domain security issues can exist even if your website itself is secure.
What is domain security?
Domain security refers to protecting your domain name and DNS configuration from unauthorized changes or misuse.
Key aspects of domain security include:
- Securing your domain registrar account
- Protecting DNS records from tampering
- Preventing unauthorized domain transfers
- Ensuring proper configuration of domain settings
A compromised domain can affect your website, email, and entire online presence.
What is email security?
Email security focuses on protecting your email system from misuse, fraud, and unauthorized access.
Common email security risks include:
- Phishing attacks
- Email spoofing
- Unauthorized access to email accounts
- Malware delivered via email
Proper email security ensures that messages sent from your domain are trusted and verified.
Key email authentication methods
To protect your domain and email, several authentication methods are used:
SPF (Sender Policy Framework)
Defines which servers are allowed to send emails from your domain.
DKIM (DomainKeys Identified Mail)
Adds a digital signature to your emails to verify authenticity.
DMARC (Domain-based Message Authentication, Reporting & Conformance)
Combines SPF and DKIM to enforce email policies and prevent spoofing.
These technologies help prevent attackers from impersonating your domain.
Common email and domain security issues
Many businesses have misconfigured or missing protections, such as:
- Missing SPF, DKIM, or DMARC records
- Weak domain account security
- Misconfigured DNS records
- Lack of monitoring for suspicious activity
These issues can make your domain vulnerable to abuse.
How to improve email and domain security
To strengthen your email and domain security, you should:
- Enable SPF, DKIM, and DMARC
- Secure your domain registrar account
- Use strong authentication (e.g., 2FA)
- Regularly review DNS settings
- Monitor for suspicious email activity
These steps significantly reduce the risk of domain and email abuse.
Why website security still matters
Email and domain security are closely connected to website security.
If your website has vulnerabilities, attackers may use them to:
- Access your systems
- Inject malicious content
- Exploit your domain reputation
A complete security strategy includes both website and email protection.
Check your website security now
Run a free website security scan to identify vulnerabilities that could affect your domain and business.