Business Customers > Global > Global IP Network > FAQ > Additional Service

| Q. | Is DNS for Transit Service offered? |
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| A. | We offer Primary DNS and Secondary DNS on customer request. Please contact our sales personnel for details. |
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| Q. | What is the Backup Port Service? |
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| A. | The Backup Port Service is provided to the customers using the Data Center Service. We prepare the backup port to a router for customers. Please note there are cases the service is not available because of the technical conditions, Please contact our sales personnel for details. |
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