Intermediate 9 min
WHOIS IP Lookup and Domain WHOIS Search Tool
A WHOIS lookup reveals domain ownership, IP allocation, registration dates, and abuse contacts. Learn IP vs. domain WHOIS, RDAP, and security best practices.
Blog
Expert guides on SPF, DKIM, DMARC, and email security.
Foundational 10 min
What privacy and data retention concerns should I consider with a DMARC analyzer?
DMARC (RFC 7489) ties SPF and DKIM together by requiring alignment between the envelope sender and the visible From header.
Foundational 10 min
DMARC for Small Business: Why Every SMB Needs DMARC in 2026
Small businesses are the #1 target for email spoofing and phishing. DMARC protection starts at $0/month (free monitoring) and takes 5 minutes to set up. Here's why every SMB needs it and how to get started.
Intermediate 8 min
Valimail Alternatives for DMARC Management in 2026
Comparing Valimail (now DigiCert) against DMARC Report, PowerDMARC, EasyDMARC, dmarcian, and Redsift for DMARC management. Feature comparison for enterprise teams evaluating alternatives.
Foundational 7 min
ipconfig /flushdns: Clear DNS Cache on Windows, Mac & Linux
Run ipconfig /flushdns on Windows, sudo killall -HUP mDNSResponder on macOS, or systemd-resolve --flush-caches on Linux to clear the DNS cache and fix stale lookups.
Foundational 10 min
Why DMARC Fails: Complete Troubleshooting Guide (2026)
DMARC fails when both SPF and DKIM fail to align with the From header. The 5 most common causes: unauthorized third-party senders, SPF alignment mismatch, missing DKIM signatures, email forwarding, and misconfigured DNS records. Here's how to fix each one.
Foundational 6 min
How To Identify A Fake Email: Red Flags To Watch Out For
How To Identify A Fake Email: Red Flags To Watch Out For from DMARC Report explains practical steps for email authentication, domain protection.
Foundational 10 min
Microsoft DMARC Requirements (May 2025): What You Need to Know
Microsoft began enforcing DMARC, SPF, and DKIM for high-volume senders to Outlook.com, Hotmail.com, and Live.com from May 5, 2025. Non-compliant email is routed to junk, then rejected. Here's what to fix and how to verify compliance.
Foundational 5 min
VMC or CMC: Which is more fitting for BIMI
BIMI (Brand Indicators for Message Identification) displays a brand's verified logo next to authenticated emails in supporting clients.
Foundational 8 min
How can I perform a DMARC lookup to check my domain's email authentication status?
How can I perform a DMARC lookup to check my domain's email authentication status? from DMARC Report explains practical steps for email authentication.
Intermediate 8 min
EasyDMARC Alternatives for DMARC Reporting in 2026
Comparing EasyDMARC against DMARC Report, PowerDMARC, dmarcian, Valimail, Redsift, and Mimecast. Feature comparison for teams evaluating EasyDMARC alternatives.
Foundational 4 min
Steakhouse Financial Attacked, Indian Infrastructure Targeted, MEA Shipment Scams
Steakhouse Financial Attacked, Indian Infrastructure Targeted, MEA Shipment Scams from DMARC Report explains practical steps for email authentication, domain.
Foundational 10 min
What are the best practices to follow when generating a DMARC record for a high-volume mailer?
DMARC (RFC 7489) ties SPF and DKIM together by requiring alignment between the envelope sender and the visible From header.
Foundational 10 min
Free DMARC Report Analyzer: Best Tools to Parse XML Reports in 2026
Compare the best free DMARC report analyzers for parsing aggregate XML reports: DMARC Report, MxToolbox, dmarcian XML converter, Zoho Toolkit, EasyDMARC, PowerDMARC, GlockApps, and parsedmarc (open source).
Foundational 7 min
What Is Baiting in Cybersecurity? Techniques, Real Examples, and Protection Strategies
What Is Baiting in Cybersecurity? Techniques, Real Examples, and Protection Strategies: According to the FBI's 2022 Internet Crime Report (IC3), 300,497.
Intermediate 8 min
dmarcian Alternatives for DMARC Monitoring in 2026
Comparing dmarcian against DMARC Report, PowerDMARC, EasyDMARC, Valimail, Redsift, and Mimecast for DMARC monitoring. Feature comparison with honest use-case guidance.
Foundational 10 min
How to Read DMARC Reports: A Practical Guide to Understanding Aggregate and Forensic XML
DMARC aggregate reports are XML files that show who sends email from your domain and whether authentication passes. This guide explains every field in the XML, what the results mean, and how to act on them.
Foundational 6 min
Why DMARC Is Necessary For Enterprises
As of 2025, DMARC is mandatory under multiple compliance frameworks. CISA BOD 18-01 requires p=reject for US federal domains. PCI DSS v4.
Intermediate 8 min
PowerDMARC Alternatives for DMARC Reporting in 2026
Comparing PowerDMARC against DMARC Report, EasyDMARC, dmarcian, Valimail, Redsift OnDMARC, and Mimecast for DMARC reporting and monitoring. Honest feature comparison with use-case guidance.
Foundational 4 min
Ohio Staff Phished, Cybercrooks Mimic FBI, Regulator Attacked Millions
Ohio Staff Phished, Cybercrooks Mimic FBI, Regulator Attacked Millions from DMARC Report explains practical steps for email authentication, domain.
Foundational 10 min
How to Set Up DMARC: The Complete Step-by-Step Guide (2026)
Set up DMARC in 5 minutes with this step-by-step guide. Configure SPF and DKIM first, publish your DMARC record at dmarc.yourdomain.com, start monitoring reports, and gradually enforce from p=none to p=reject.
Foundational 6 min
What Is a DNS A Record and How to Add One (Complete Guide by DMARCReport)
Every website you visit relies on a behind-the-scenes system that connects human-friendly domain names to machine-readable IP addresses.
Foundational 8 min
DMARC for Office 365: Complete Setup Guide (2026)
Set up DMARC for Microsoft 365 (Office 365) step by step. Configure SPF with include:spf.protection.outlook.com, enable DKIM in the admin center, publish your DMARC record, and start monitoring reports.
Foundational 9 min
Is Gmail HIPAA-compliant?
Is Gmail HIPAA-compliant? from DMARC Report explains practical steps for email authentication, domain protection, deliverability, and DMARC reporting.
Foundational 10 min
What are the risks of implementing strict DMARC alignment too quickly?
Implementing strict DMARC alignment too quickly risks immediate delivery failures and bounces, widespread false negatives due to
Intermediate 8 min
Best DMARC Reporting Tools in 2026: Honest Comparison
A side-by-side comparison of the 10 best DMARC reporting and monitoring tools in 2026 - DMARC Report, PowerDMARC, EasyDMARC, dmarcian, Valimail, Redsift OnDMARC, Mimecast, Agari, DMARCeye, and Postmark DMARC Digests.
Foundational 7 min
What Is ARP Spoofing and How to Prevent It
Cyber threats continue to evolve as networks become more interconnected and data moves constantly between devices.
Foundational 4 min
Shadow IT in the Hybrid Workplace: Hidden Risks Beyond Email
Work looks different now, doesn’t it? Employees are the reason. Recent research from Gallup shows that six in ten employees prefer a hybrid work arrangement.
Foundational 10 min
SPF vs DKIM vs DMARC: What's the Difference and How Do They Work Together?
SPF checks which servers can send email from your domain, DKIM signs messages cryptographically, and DMARC ties both together with an enforceable policy. All three are required since Google's and Yahoo's February 2024 bulk sender mandate.
Foundational 10 min
What are the best tools for checking DMARC alignment across multiple domains?
DMARC (RFC 7489) ties SPF and DKIM together by requiring alignment between the envelope sender and the visible From header.