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33 lines
499 B
Go
33 lines
499 B
Go
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package dns
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import (
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"errors"
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"net"
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)
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var (
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errIPNotFound = errors.New("ip not found")
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)
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// ResolveIP with a host, return ip
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func ResolveIP(host string) (net.IP, error) {
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if DefaultResolver != nil {
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if DefaultResolver.ipv6 {
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return DefaultResolver.ResolveIP(host)
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}
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return DefaultResolver.ResolveIPv4(host)
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}
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ip := net.ParseIP(host)
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if ip != nil {
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return ip, nil
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}
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ipAddr, err := net.ResolveIPAddr("ip", host)
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if err != nil {
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return nil, err
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}
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return ipAddr.IP, nil
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}
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