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package net
import (
"log"
"net"
)
// LookupIP -
func LookupIP(name string) string {
i := LookupIPs(name)
if len(i) == 0 {
return ""
}
return i[0]
}
// LookupIPs -
func LookupIPs(name string) []string {
srcIPs, err := net.LookupIP(name)
if err != nil {
log.Fatal(err)
}
var ips []string
for _, v := range srcIPs {
if v.To4() != nil {
ips = append(ips, v.String())
}
}
return ips
}
// LookupCNAME -
func LookupCNAME(name string) string {
cname, err := net.LookupCNAME(name)
if err != nil {
log.Fatal(err)
}
return cname
}
// LookupTXT -
func LookupTXT(name string) []string {
records, err := net.LookupTXT(name)
if err != nil {
log.Fatal(err)
}
return records
}
// LookupSRV -
func LookupSRV(name string) *net.SRV {
return LookupSRVs(name)[0]
}
// LookupSRVs -
func LookupSRVs(name string) []*net.SRV {
_, addrs, err := net.LookupSRV("", "", name)
if err != nil {
log.Fatal(err)
}
return addrs
}
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