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Ciarán Doyle

IT Consultant from Galway, Ireland. I specialise in DNS, networking, and cybersecurity for small businesses across the West of Ireland. Built publicdns.info.

Galway, Ireland Joined on Mar 31, 2026 https://publicdns.info

Work

IT Consultant at Doyle IT Solutions

Apr 2

Why Your Website Works in Chrome but Not Safari: A DNS Caching Deep Dive

#dns #networking #troubleshooting #webdev

4 min read

Apr 2

DNS for Sysadmins: The Commands and Tools You Actually Need

#dns #sysadmin #devops #linux

4 min read

Apr 2

I Changed My DNS and My Site Disappeared: A Quick Guide to DNS Propagation

#dns #webdev #devops #hosting

4 min read

Apr 2

Setting Up Pi-hole? Here's How to Pick Your Upstream DNS

#pihole #dns #homelab #networking

4 min read

Mar 31

DoH vs DoT: Which Encrypted DNS Should You Actually Use?

#dns #privacy #security #networking

4 min read

Mar 31

DNS Not Working? Here's How to Fix It in 5 Minutes

#dns #networking #sysadmin

4 min read

Mar 31

How to Pick the Right Public DNS Server (And Why It Matters)

#dns #networking #sysadmin #devops

4 min read

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