Blog
Notes on keeping a site alive
Plain-English guides to uptime, SSL, DNS, and email authentication — written by the people who run the monitoring.
DMARC monitoring for small business, in plain English
DMARC is the policy that stops strangers sending mail as you. What it is, why p=none comes first, and when to tighten it.
Your domain landed on an email blacklist
Blacklist listings quietly kill your email deliverability. What they are, how listings happen, and the order to fix them in.
Your DNS changed and you didn't change it — now what
DNS is the phonebook for your domain. An unexpected change can redirect your website and your email — here is how to respond.
What to do when your SSL certificate expires
An expired certificate does not just show a warning — visitors leave. How expiry happens, how to catch it early, and how to fix it.