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Maximus Beato
Maximus Beato

Posted on • Originally published at apimesh.xyz

how to identify exposed subdomains before attackers do using automated scanning

the problem

staying secure means knowing all your subdomains and their potential exposures. manually checking dns records and certificate logs is time-consuming and often incomplete, leaving gaps in your security posture.

the solution

meet subdomain-exposure-scorer — an api that performs exhaustive subdomain enumeration via free dns and certificate transparency logs, then scores each based on exposure of sensitive or deprecated endpoints. here's a quick example:

curl -X GET "https://subdomain-exposure-scorer.apimesh.xyz/check?domain=example.com"

// response shape (json):
{
"subdomains": [
{"subdomain": "admin.example.com", "score": 8, "exposure": "deprecated endpoint"},
{"subdomain": "api.example.com", "score": 5, "exposure": "sensitive data ending"}
]
}

how it works

it leverages free dns records and certificate transparency logs to find subdomains, then scans for exposed endpoints with known sensitivities or deprecated features. scores reflect the risk level, helping you prioritize security efforts.

try it

test it out with the free preview at https://subdomain-exposure-scorer.apimesh.xyz/preview. for full access, pricing is just $0.005 per call. integrate into your workflows and get ahead of potential threats.

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