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			20 lines
		
	
	
		
			417 B
		
	
	
	
		
			Go
		
	
	
	
	
	
		
		
			
		
	
	
			20 lines
		
	
	
		
			417 B
		
	
	
	
		
			Go
		
	
	
	
	
	
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								package dnsutil
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								import (
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									"strings"
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									"github.com/miekg/dns"
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								)
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								// Join joins labels to form a fully qualified domain name. If the last label is
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								// the root label it is ignored. Not other syntax checks are performed.
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								func Join(labels []string) string {
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									ll := len(labels)
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									if labels[ll-1] == "." {
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										s := strings.Join(labels[:ll-1], ".")
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										return dns.Fqdn(s)
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									}
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									s := strings.Join(labels, ".")
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									return dns.Fqdn(s)
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								}
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