Written by Peter Lowe in collaboration with Serena Raymond. Last month, our CTO Mike Schroll wrote an article comparing DNS-over-HTTPS (DoH) and DNS-over-TLS (DoT). I won’t be rehashing that here. If you read that article, you’ll get the idea that at DNSFilter we generally prefer DoT. But I do want to clarify a few things […]


In 2020, we’ve seen how vital remote education is. DNSFilter is proud to partner with LanSchool to help protect students from online threats.


On The Cybercall on July 20, a question was raised: How much should MSPs be communicating with their customers? How much is too much? And when you do reach out, how do you explain the value of what you’re telling them without making them hear complete static? This question around MSP communication isn’t new by […]


Our DNS network is more than a series of nodes distributing our service. It’s a complex anycast network built to maintain uptime.

DNS, Security

When it comes to DNS encryption, there’s a lot of discussion around DNS-over-HTTPS because it’s what Google uses. But DNS-over-TLS is better in a lot of ways.

What is Content Filtering?

Serena Raymond
June 29, 2020

What is content filtering? It’s all about filtering websites based on categories, and that includes malicious ones!


How secure is SSL (Secure Sockets Layer)? This method of encrypting online communication only protects you from certain cyber threats. An SSL certificate does not equal safety.

What is Domain Greylisting?

Serena Raymond
June 16, 2020

Domain greylisting temporarily blocks users from visiting suspicious websites. This method of spam filtering protects you from phishing attacks and malware.


Cyber attacks threaten companies with persistence and regularity, making cybersecurity budgets a business necessity. We walk you through cybersecurity budgeting basics for SMBs.

Introducing Active Directory (and more!)

Serena Raymond
June 4, 2020

DNSFilter officially has Active Directory integration. Learn more about this new feature on our blog. Links to relevant documentation included.