If you don't want that your ISP, and anybody with the ability to monitor your line, knows the names your system tries to resolve (so the web sites you visit etc.) you must prevent your system to …

"city_name": "Boydton", "postal_code": null, "postal_confidence": null, "latitude": 36.6694, "longitude": -78.3877, "accuracy_radius": 20, "time_zone": "America\/New_York", …

"city_name": null, "postal_code": null, "postal_confidence": null, "latitude": 47.6109, "longitude": -122.3303, "accuracy_radius": 1000, "time_zone": "America\/Los_Angeles", "metro_code": null, …