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Small-to-mid web agencies and SaaS operations teams managing 10–100 domains manually track SSL/TLS certificate expiration dates. Missing even one certificate results in site inaccessibility, causing an average of 2–6 hours of downtime. The resulting revenue loss ($750–$7,500 per hour) and erosion of customer trust far exceeds the cost of the certificates themselves—often by hundreds of times.
Users register their domain list and receive staged expiry alerts at D-30/D-7/D-1 via Slack, email, or KakaoTalk. Domains using Let's Encrypt support one-click automatic renewal. Core features: (1) Multi-domain certificate status dashboard, (2) Staged expiry alerts (Slack/KakaoTalk/email), (3) ACME protocol-based automatic renewal trigger.
| N Novelty | 1-5 | How uncommon the service is in market context. |
| U Urgency | 1-5 | How urgently users need this problem solved now. |
| M Market | 1-5 | Market size and growth potential from proxy indicators. |
| R Realizability | 1-5 | Buildability for a small team with realistic constraints. |
| V Validation | 1-5 | Validation signal quality from competition and demand data. |
| Tech Complexity | / 40 | Difficulty of core implementation stack. |
| Data Availability | / 25 | Practical availability and cost of required data. |
| MVP Timeline | / 20 | Expected time to ship a usable MVP. |
| API Bonus | / 15 | Bonus for viable public API leverage. |
| Competition | / 20 | Signal quality from competitor landscape. |
| Market Demand | / 20 | Demand proxies from search and mention patterns. |
| Timing | / 20 | Fit with current shifts in tech, behavior, and regulation. |
| Revenue Signals | / 15 | Reference evidence for monetization viability. |
| Pick-Axe Fit | / 15 | How well the concept serves participants in a trend. |
| Solo Buildability | / 10 | Practicality for lean-team implementation. |