Domain Monitor Blog

Freshly created & curated content, product updates and tutorials. test

Subdomain takeover attack diagram showing dangling CNAME DNS record pointing to unclaimed cloud service being exploited by attacker

What Is a Subdomain Takeover and How to Prevent It

A subdomain takeover lets an attacker claim your subdomain by exploiting dangling DNS records. Learn how it happens, real-world examples, and how DNS monitoring detects it.

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Mean time to detect MTTD incident timeline diagram showing detection gap between incident start and alert notification

What Is Mean Time to Detect (MTTD)?

Mean time to detect (MTTD) measures how long it takes to discover an incident after it starts. Reducing MTTD is one of the highest-leverage improvements in reliability engineering.

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Black box monitoring diagram showing external uptime checks testing website from user perspective versus white box internal monitoring

What Is Black Box Monitoring?

Black box monitoring tests your systems from the outside, the way users experience them — without access to internal code or infrastructure. Learn how it works and when to use it.

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Restaurant website monitoring showing online ordering system uptime booking platform availability and payment flow checks

Website Monitoring for Restaurants and Food Delivery Websites

Restaurant and food delivery websites depend on booking systems, online ordering, and payment flows that run during peak evening and weekend hours. Learn what to monitor and when.

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Insurance website monitoring dashboard showing quote engine uptime policy portal availability and SSL certificate status

Website Monitoring for Insurance Websites

Insurance websites run quote engines, policy portals, and claims systems that customers depend on around the clock. Learn the specific monitoring requirements for insurance providers.

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Government website monitoring dashboard showing citizen service portal uptime SSL certificate status and domain health for public sector sites

Website Monitoring for Government and Public Sector Websites

Government websites serve citizens who depend on them for essential services. Learn the specific uptime, SSL, and availability standards for public sector digital services.

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Crypto web3 application monitoring showing exchange interface uptime wallet connection endpoint status and API availability

Website Monitoring for Crypto and Web3 Applications

Crypto exchanges, DeFi dashboards, and Web3 applications operate 24/7 with no tolerance for downtime. Learn the specific monitoring requirements for crypto and blockchain-adjacent services.

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Website migration monitoring checklist showing DNS cutover uptime verification SSL transfer and post-migration checks

Website Migration Monitoring Checklist

Website migrations are the most common cause of self-inflicted downtime. This checklist covers what to monitor before, during, and after a migration to keep the risk under control.

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Website launch monitoring checklist showing uptime SSL domain expiry and alerting setup steps before going live

Website Launch Monitoring Checklist

Before you go live, monitoring should already be in place — not something you set up after the first outage. Use this checklist to launch with full visibility from day one.

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UptimeRobot vs Better Stack comparison showing uptime monitoring features pricing status pages and alerting differences

UptimeRobot vs Better Stack

UptimeRobot and Better Stack are two of the most popular uptime monitoring tools. Here's a direct comparison of features, pricing, and which is better suited for different use cases.

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Synthetic monitoring versus real user monitoring comparison showing proactive scripted checks versus passive real user data collection

Synthetic Monitoring vs Real User Monitoring

Synthetic monitoring and real user monitoring (RUM) answer different questions about your website's availability and performance. Here's how they differ and when to use each.

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SaaS monitoring checklist showing application health check API monitoring background job heartbeat SSL domain and status page configuration

SaaS Monitoring Checklist

A complete monitoring checklist for SaaS products — covering the marketing site, application, API, background jobs, SSL, domain, status page, alerting, and on-call setup.

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