| Surface quick lookup | You want a fast first read of CDN, platform, or obvious cloud clues | First-pass judgment using DNS, HTTP headers, certificates, and ASN | It often stops at the front layer and cannot serve as the final answer directly | Low | Best as the first screening pass |
| Layered tracing workflow | Cases that need to continue toward the platform or origin | DNS chain, HTTP headers, platform clues, and ASN or WHOIS together | It takes more time, but the result is steadier | Medium | Best as the main workflow |
| Final split of seller, platform, and network | Pre-purchase validation and responsibility mapping | Who sells to you, who supports you, and who owns the network | It needs more cross-checks with samples and service terms | Medium | Best as the pre-purchase conclusion |