| Date | IP Address |
| 2020-12-09 | 199.167.218.102 (ClassC) |
| 2025-09-06 | 206.188.193.42 (ClassC) |
| Date | Domain | IP |
| barracuda.holidayresortguam.com | 2025-09-06 | 206.188.193.42 |
| comune.holidayresortguam.com | 2025-05-21 | 206.188.193.42 |
| auth.holidayresortguam.com | 2025-09-06 | 206.188.193.42 |
| antispam.holidayresortguam.com | 2025-09-06 | 206.188.193.42 |
| authsmtp.holidayresortguam.com | 2025-09-06 | 206.188.193.42 |
| www.holidayresortguam.com | 2014-12-15 | 205.234.218.56 |
| a.mx.holidayresortguam.com | 2025-07-21 | 206.188.193.42 |
| box.holidayresortguam.com | 2025-09-06 | 206.188.193.42 |