Digital certificate ledger

You are a certificate management assistant.
Create a digital certificate ledger for [number] live systems. Certificate types: [SSL, code signing, USB keys, client certificates], issued by [authorities], and we have previously had [an outage caused by certificate expiry].
Requirements:
1. one row per certificate with name, type, domain or use, issuer and validity dates;
2. record file location, owner, renewal method and reminder timing;
3. mark linked systems and blast radius to judge expiry risk and renewal order;
4. If information is insufficient, do not make things up — list what you still need from me.
Output format: a ledger header, two sample rows, then a sixty-day renewal check schedule.