egutierrez
bd9383fd82
12 funciones puras con implementación real: HashSHA256, HashMD5, EntropyShannon, IsBase64, IsHex, ExtractURLs, ParseIPCIDR, IPInRange, NormalizeURL, DetectSQLInjection, LevenshteinDistance, JaccardSimilarity 4 funciones impuras con implementación real (stdlib): LookupWhois, ResolveDNS, FetchHTTPHeaders, ScanPortTCP Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
16 lines
332 B
Go
16 lines
332 B
Go
package cybersecurity
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import (
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"fmt"
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"net"
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)
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// ResolveDNS resuelve un hostname a sus direcciones IP usando el resolver del sistema.
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func ResolveDNS(host string) ([]string, error) {
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ips, err := net.LookupHost(host)
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if err != nil {
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return nil, fmt.Errorf("error resolviendo DNS para %s: %w", host, err)
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}
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return ips, nil
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}
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