---
title: "Adam Lundrigan | DMARC Report"
description: "CTO of DuoCircle. Leads engineering for DMARC Report and DuoCircle"
image: "https://dmarcreport.com/images/og-default.png"
canonical: "https://dmarcreport.com/authors/adam-lundrigan/"
---

[Skip to main content](#main-content) 

New AI-powered DMARC analysis + open REST API [ See how → →](/ai/) 

![Adam Lundrigan](https://media.mailhop.org/dmarcreport/images/authors/adam-lundrigan.jpg) 

# Adam Lundrigan

CTO

[LinkedIn →](https://www.linkedin.com/in/adamlundrigan/) 

Adam Lundrigan is the Chief Technology Officer of DuoCircle, where he leads engineering across DMARC Report, AutoSPF, and the company's email security portfolio. His technical focus includes DMARC report processing infrastructure, DNS monitoring systems, and the SPF evaluation logic that powers DuoCircle's authentication tools.

## Areas of Expertise

DMARC Report ProcessingDNS ArchitectureEmail AuthenticationSaaS EngineeringDNS MonitoringInfrastructure Automation 

## Credentials

- CTO of DuoCircle LLC
- Architect of DMARC Report's monitoring and reporting infrastructure
- Technical lead for DuoCircle's email authentication platform
- Leads engineering across DuoCircle's product portfolio

## Articles by Adam Lundrigan

[ How to Check a DMARC Record Using Command Line (dig & nslookup)  April 9, 2026 ](/blog/how-to-check-dmarc-record-command-line-dig-nslookup/)[ What are the best practices to follow when generating a DMARC record for a high-volume mailer?  April 1, 2026 ](/blog/best-practices-for-generating-dmarc-records-for-high-volume-mailers/)[ What are the risks of implementing strict DMARC alignment too quickly?  March 25, 2026 ](/blog/risks-of-implementing-strict-dmarc-alignment-too-quickly/)[ What are the most common reasons a DMARC DNS record fails to be recognized by receivers?  March 6, 2026 ](/blog/what-common-reasons-dmarc-dns-record-not-recognized-by-receivers/)[ No SPF Record Found - What It Means, Why It Matters & How to Fix It  March 3, 2026 ](/blog/no-spf-record-found-causes-impact-and-solutions/)[ How a DMARC Record Stops Phishing and Domain Abuse  March 2, 2026 ](/blog/how-a-dmarc-record-stops-phishing-and-domain-abuse/)[ Which reporting formats and tools are best for analyzing DMARC alignment reports?  February 18, 2026 ](/blog/which-reporting-formats-and-tools-analyze-dmarc-alignment-best/)[ Which DNS providers make it easiest to add a DMARC record?  February 5, 2026 ](/blog/which-dns-providers-make-it-easiest-to-add-a-dmarc-record/)[ What are common signs that indicate my domain has no DMARC record published?  February 3, 2026 ](/blog/common-signs-your-domain-lacks-a-published-dmarc-record/)[ Where should I publish my DMARC record in my domain's DNS?  February 2, 2026 ](/blog/where-should-i-publish-my-dmarc-record-in-my-domains-dns/)

```json
{"@context":"https://schema.org","@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138898167","name":"DMARC Report","url":"https://dmarcreport.com","logo":{"@type":"ImageObject","url":"https://dmarcreport.com/images/dmarcreport-logo.png"},"description":"DMARC reporting and email authentication management. Monitor aggregate and forensic DMARC reports, analyze authentication results, and enforce DMARC policies across all your domains.","parentOrganization":{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138883901","name":"DuoCircle LLC","url":"https://www.duocircle.com","sameAs":["https://www.wikidata.org/wiki/Q138883901","https://www.crunchbase.com/organization/duocircle-llc","https://www.linkedin.com/company/duocircle","https://github.com/duocircle"],"subOrganization":[{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138898167","name":"DMARC Report","url":"https://dmarcreport.com"},{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138897474","name":"AutoSPF","url":"https://autospf.com"},{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138897912","name":"Phish Protection","url":"https://www.phishprotection.com"}]},"sameAs":["https://www.wikidata.org/wiki/Q138898167","https://www.linkedin.com/company/duocircle","https://x.com/duocirclellc","https://www.g2.com/products/dmarc-report/reviews","https://github.com/duocircle","https://www.crunchbase.com/organization/duocircle-llc","https://www.trustradius.com/products/duocircle/reviews"],"aggregateRating":{"@type":"AggregateRating","ratingValue":"4.8","reviewCount":"470","bestRating":"5","worstRating":"1","url":"https://www.g2.com/products/dmarc-report/reviews"},"contactPoint":{"@type":"ContactPoint","contactType":"customer support","url":"https://dmarcreport.com/support/"},"knowsAbout":["DMARC","DMARC Reporting","DMARC Aggregate Reports","DMARC Forensic Reports","Sender Policy Framework","DKIM","Email Authentication","Email Security","DNS Management","Email Deliverability"]}
```

```json
{"@context":"https://schema.org","@type":"WebSite","name":"DMARC Report","url":"https://dmarcreport.com","description":"DMARC reporting and email authentication management. Monitor aggregate and forensic DMARC reports, analyze authentication results, and enforce DMARC policies across all your domains.","publisher":{"@type":"Organization","name":"DMARC Report","url":"https://dmarcreport.com","logo":{"@type":"ImageObject","url":"https://dmarcreport.com/images/dmarcreport-logo.png"},"description":"DMARC reporting and email authentication management. Monitor aggregate and forensic DMARC reports, analyze authentication results, and enforce DMARC policies across all your domains.","parentOrganization":{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138883901","name":"DuoCircle LLC","url":"https://www.duocircle.com","sameAs":["https://www.wikidata.org/wiki/Q138883901","https://www.crunchbase.com/organization/duocircle-llc","https://www.linkedin.com/company/duocircle","https://github.com/duocircle"],"subOrganization":[{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138898167","name":"DMARC Report","url":"https://dmarcreport.com"},{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138897474","name":"AutoSPF","url":"https://autospf.com"},{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138897912","name":"Phish Protection","url":"https://www.phishprotection.com"}]}}}
```

```json
[{"@context":"https://schema.org","@type":"WebPage","name":"Adam Lundrigan | DMARC Report","description":"CTO of DuoCircle. Leads engineering for DMARC Report and DuoCircle's email security product portfolio.","url":"https://dmarcreport.com/authors/adam-lundrigan/","isPartOf":{"@type":"WebSite","name":"DMARC Report","url":"https://dmarcreport.com"}}]
```

```json
{"@context":"https://schema.org","@type":"Organization","name":"DMARC Report","url":"https://dmarcreport.com","logo":{"@type":"ImageObject","url":"https://dmarcreport.com/images/dmarcreport-logo.png"},"description":"DMARC reporting and email authentication management. Monitor aggregate and forensic DMARC reports, analyze authentication results, and enforce DMARC policies across all your domains.","parentOrganization":{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138883901","name":"DuoCircle LLC","url":"https://www.duocircle.com","sameAs":["https://www.wikidata.org/wiki/Q138883901","https://www.crunchbase.com/organization/duocircle-llc","https://www.linkedin.com/company/duocircle","https://github.com/duocircle"],"subOrganization":[{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138898167","name":"DMARC Report","url":"https://dmarcreport.com"},{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138897474","name":"AutoSPF","url":"https://autospf.com"},{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138897912","name":"Phish Protection","url":"https://www.phishprotection.com"}]}}
```

```json
{"@context":"https://schema.org","@type":"WebSite","name":"DMARC Report","url":"https://dmarcreport.com","description":"DMARC reporting and email authentication management. Monitor aggregate and forensic DMARC reports, analyze authentication results, and enforce DMARC policies across all your domains.","publisher":{"@type":"Organization","name":"DMARC Report","url":"https://dmarcreport.com","logo":{"@type":"ImageObject","url":"https://dmarcreport.com/images/dmarcreport-logo.png"},"description":"DMARC reporting and email authentication management. Monitor aggregate and forensic DMARC reports, analyze authentication results, and enforce DMARC policies across all your domains.","parentOrganization":{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138883901","name":"DuoCircle LLC","url":"https://www.duocircle.com","sameAs":["https://www.wikidata.org/wiki/Q138883901","https://www.crunchbase.com/organization/duocircle-llc","https://www.linkedin.com/company/duocircle","https://github.com/duocircle"],"subOrganization":[{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138898167","name":"DMARC Report","url":"https://dmarcreport.com"},{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138897474","name":"AutoSPF","url":"https://autospf.com"},{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138897912","name":"Phish Protection","url":"https://www.phishprotection.com"}]}}}
```

```json
{"@context":"https://schema.org","@type":"Person","@id":"https://dmarcreport.com/authors/adam-lundrigan/#person","name":"Adam Lundrigan","url":"https://dmarcreport.com/authors/adam-lundrigan/","jobTitle":"CTO","description":"Adam Lundrigan is the Chief Technology Officer of DuoCircle, where he leads engineering across DMARC Report, AutoSPF, and the company's email security portfolio. His technical focus includes DMARC report processing infrastructure, DNS monitoring systems, and the SPF evaluation logic that powers DuoCircle's authentication tools.","image":"https://media.mailhop.org/dmarcreport/images/authors/adam-lundrigan.jpg","knowsAbout":["DMARC Report Processing","DNS Architecture","Email Authentication","SaaS Engineering","DNS Monitoring","Infrastructure Automation"],"worksFor":{"@type":"Organization","name":"DMARC Report","url":"https://dmarcreport.com"},"sameAs":["https://www.linkedin.com/in/adamlundrigan/"]}
```