| Domain | Registrar | Name Server | Tescil Tarihi | Bitiş Tarihi |
|---|---|---|---|---|
| NORTHROP.COM | CSC Corporate Domains, Inc. | nsx1.northgrum.com nsx2.northgrum.com nsx3.northgrum.com nsx4.northgrum.com | 07.11.1985 | 06.11.2023 |
| ATK.COM | CSC Corporate Domains, Inc. | nsx1.northgrum.com nsx2.northgrum.com nsx3.northgrum.com nsx4.northgrum.com | 27.10.1990 | 26.10.2025 |