const vendor/golang.org/x/net/dns/dnsmessage.nameLen

4 uses

	vendor/golang.org/x/net/dns/dnsmessage (current package)
		message.go#L1718: 	h.Name = Name{Data: [nameLen]byte{'.'}, Length: 1} // RFC 6891 section 6.1.2
		message.go#L1878: const nameLen = 255
		message.go#L1883: 	Data   [nameLen]byte // 255 bytes
		message.go#L1889: 	if len([]byte(name)) > nameLen {