Business Email Compromise vs Phishing Attacks — A Deep Dive by DMARCReport

Business Email Compromise vs Phishing Attacks — A Deep Dive by DMARCReport

ByBrad Slavin

In today’s hyper-connected digital world, email remains the backbone of business communication — and unfortunately, also one of the most exploited attack vectors used by cybercriminals. Sophisticated threat actors continually refine their techniques to deceive trusted recipients, impersonate legitimate senders, and manipulate end users into disclosing sensitive information or transferring funds. At DMARCReport, we believe…

Does a DMARC check verify SPF and DKIM alignment for my domain?

Does a DMARC check verify SPF and DKIM alignment for my domain?

ByBrad Slavin

Yes—DMARC explicitly evaluates SPF and DKIM authentication results and verifies their alignment with the message’s Header From domain, passing if at least one of SPF or DKIM both authenticates and aligns per your DMARC policy. DMARC (Domain-based Message Authentication, Reporting, and Conformance) exists to connect message authentication to domain identity as shown to recipients: the…

CNAME vs ALIAS Records — A Guide by DMARCReport

CNAME vs ALIAS Records — A Guide by DMARCReport

ByBrad Slavin

As DNS users, domain administrators, and website operators know all too well: DNS configuration often feels like walking a tightrope. A small misconfiguration can mean your users can’t reach your site — or your email goes missing. Two DNS record types that are often sources of confusion are CNAME and ALIAS records. They can look…

CNAME vs A Record: What Every Domain Owner Should Know

CNAME vs A Record: What Every Domain Owner Should Know

ByBrad Slavin

By DMARCReport When you register a domain name — say mywebsite.com — you’re not done yet. To get the domain to actually load your website, or allow email to be delivered, you need to configure the Domain Name System (DNS) appropriately. Think of DNS as the internet’s “phone book.” Instead of human-readable domain names, computers…

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,…

BIMI, CMC and Google: How DMARCReport Sees This Transform the Email Landscape

BIMI, CMC and Google: How DMARCReport Sees This Transform the Email Landscape

ByBrad Slavin

Introduction At DMARCReport, we’ve always believed that email authentication and brand trust should go hand in hand. That’s why the recent update from Google — enabling support for Common Mark Certificate (CMC) under Brand Indicators for Message Identification (BIMI) — is big news for businesses of all sizes. If you’re sending emails to clients, subscribers…

Pros and Cons of Using Third-Party Email Services for Small Businesses

Pros and Cons of Using Third-Party Email Services for Small Businesses

ByBrad Slavin

If you run a small business, email marketing is one of the easiest ways to stay in touch with your customers, promote offers, and grow sales. But building and maintaining your own email system takes time and technical know-how.  And most founders simply don’t have that. Luckily, third-party email services can help. Platforms like Mailchimp…

How can I use DMARC Analyzer to detect if my domain is being spoofed?

How can I use DMARC Analyzer to detect if my domain is being spoofed?

ByBrad Slavin

You can use a DMARC Analyzer—specifically DMARCReport—by publishing a DMARC record that sends RUA/RUF reports to DMARCReport, then using its dashboard, alignment checks, alerts, and policy controls to identify spoofing sources quickly and move from monitoring (p=none) to enforcement (quarantine/reject). Context and background Email domain spoofing happens when attackers send messages with your domain in…

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…

Best Tools For Bulk DMARC Lookup Across Hundreds Of Domains?

Best Tools For Bulk DMARC Lookup Across Hundreds Of Domains?

ByBrad Slavin

The best tools for bulk DMARC lookup across hundreds of domains are a mix of commercial SaaS platforms (e.g., DMARC Report, dmarcian, EasyDMARC, PowerDMARC, Valimail Monitor, MXToolbox, WhoisXML API) and high-performance open-source utilities (e.g., massdns, ZDNS, ProjectDiscovery dnsx) combined with scripting libraries (Python dnspython, Go miekg/dns) for automation and validation at scale. Bulk DMARC lookup…