How can I create a DMARC record for my domain to stop email spoofing?

How can I create a DMARC record for my domain to stop email spoofing?

ByBrad Slavin

To stop email spoofing, create and publish a TXT record at _dmarc.yourdomain.com with a value like v=DMARC1; p=reject; rua=mailto:dmarc-reports@yourdomain.com; ruf=mailto:dmarc-forensics@yourdomain.com; adkim=s; aspf=s; pct=100; fo=1; ri=86400 only after verifying that all your senders pass SPF and/or DKIM in alignment with your From domain. DMARC (Domain-based Message Authentication, Reporting, and Conformance) lets domain owners tell receivers how…

How can I implement DMARC for multiple domains and subdomains?

How can I implement DMARC for multiple domains and subdomains?

ByBrad Slavin

Implement DMARC for multiple domains and subdomains by standardizing a DNS template (SPF, DKIM, DMARC), inventorying all sending services, using parent-level inheritance with the DMARC sp tag where appropriate, centralizing rua/ruf reporting, rolling out p=none then gradually enforcing per domain (quarantine → reject) based on report-driven confidence, automating DNS and DKIM key management via APIs/IaC,…

Barracuda SPF & DKIM Configuration — A DMARCReport Guide

Barracuda SPF & DKIM Configuration — A DMARCReport Guide

ByBrad Slavin

By DMARCReport — practical, vendor-specific guidance to make your email authentication reliable and DMARC-ready. Getting SPF and DKIM right for traffic that routes through a Barracuda appliance is one of the quickest wins you can make to reduce spoofing, stop spam that appears to come from your domain, and help your DMARC policy work as…

A Records Vs. Alias Records — A Guide By DMARCReport

A Records Vs. Alias Records — A Guide By DMARCReport

ByBrad Slavin

When managing a domain, one of the choices you’ll face is how to configure your DNS (Domain Name System) records. Two of the most important and commonly confused record types are A records and Alias records. Though they may seem similar, they behave differently — and choosing the right one can make a big difference…

Answering Your Webinar Questions: Email Security — From The Desk Of DMARCReport

Answering Your Webinar Questions: Email Security — From The Desk Of DMARCReport

ByBrad Slavin

In our recent webinar titled “From Setup to Success: Secure Your Emails with DMARCReport,” we explored essential aspects of email security, with a deep dive into authentication protocols and best practices. The session was rich in content and attracted many participants; yet, we couldn’t cover all questions during the live Q&A. In this post, DMARCReport…

Best DMARC Checker Tools Comparing Dmarcian, Mxtoolbox, And Proofpoint

Best DMARC Checker Tools Comparing Dmarcian, Mxtoolbox, And Proofpoint

ByBrad Slavin

The best DMARC checker depends on your goals: choose dmarcian for deep DMARC-specific analytics and guided rollout, MXToolbox for fast diagnostics and budget-friendly monitoring, Proofpoint for enterprise-scale enforcement with threat intelligence, and consider DMARC Report to bridge gaps with scalable parsing, automation, and cost efficiency across SMB to multi-domain enterprises. DMARC (Domain-based Message Authentication, Reporting…

Best Tools For Generating DMARC Records For Small Businesses With Minimal It Staff?

Best Tools For Generating DMARC Records For Small Businesses With Minimal It Staff?

ByBrad Slavin

For small businesses with minimal IT staff, the best DMARC record generators are GUI-based wizards—especially DMARC Report’s DMARC Wizard—alongside dmarcian, EasyDMARC, PowerDMARC, MXToolbox, and Google Admin Toolbox, because they combine pre-validated records, SPF/DKIM alignment guidance, and optional one‑click DNS publishing to minimize setup time and errors. Getting DMARC right delivers immediate value—stopping spoofing/phishing and improving…

7 Easy Steps To Verify An Spf Record Using Nslookup Properly

7 Easy Steps To Verify An Spf Record Using Nslookup Properly

ByBrad Slavin

Securing your organization’s email domain against spoofing and improving email deliverability requires robust email authentication mechanisms. One foundational layer is the Sender Policy Framework (SPF), which uses DNS records to instruct mail servers which IP addresses are authorized to send emails on behalf of your domain. Verifying that your SPF record is present and correctly…

DNSSEC: The ultimate shield for your domain’s security 

DNSSEC: The ultimate shield for your domain’s security 

ByBrad Slavin

Back in the 1980s, when DNS was created, the entire concept of the internet was very limited. Now, almost four decades later, the internet has become the backbone of almost every organization’s existence, especially businesses, government, and even individual users. It has changed the way we communicate, shop, work, and run essential services, so much…