Practical guides on uptime, DNS & SSL, email auth, incidents, and more.
How to design checks, set intervals, reduce noise, and ship reliable alerting for small teams.
Lifecycle, automation, and alerting patterns for SMBs.
Set up correctly, stop spoofing, and improve deliverability.
From misconfigurations to propagation, glue records, and failover—what to watch and how to alert.
Pros and cons of network reachability vs full HTTP validation—and when to combine both.
Reputation, RBLs, and remediation workflow after a listing.
Transparency, trust, and templates that work during outages.
Monitor inbound webhooks—alert on missing payloads, latency spikes, or schema drift.
Rollups, windows, and reports that matter for small teams.
Escalations, maintenance windows, and communications that don’t overwhelm teams.
Tune thresholds, add warm-ups, verify across regions, and escalate sanely.
Balance coverage, noise, and cost at 60s, 300s, and beyond.
Real-world failure modes and how to prevent them.
A tactical checklist of high-impact DNS mistakes with quick fixes.
Where to check, what to do next, and how to avoid re-listing.