| Property | Value |
| Name | Domain Administration |
| Organization | CitiBank, N.A. |
| domain.admin@citi.com | |
| Address | 390 Greenwich Street |
| City | New York, NY |
| Country | US |
| Phone | +1.7182480307 |
| Fax | +1.4692209949 |
| NameServer | ns.citibank.com |
| Created | 1997-05-01 00:00:00 |
| Expires | 2017-05-31 00:00:00 |
| Registrar | CSC Corporate Domain |
| Date | IP Address |
| 2018-05-06 | 104.113.70.101 (ClassC) |
| 2020-12-02 | 23.222.206.118 (ClassC) |
| 2024-03-15 | 104.90.247.15 (ClassC) |
| 2024-08-22 | 23.200.133.54 (ClassC) |
| 2024-10-07 | 23.194.116.67 (ClassC) |
| 2024-10-17 | 23.44.175.148 (ClassC) |
| 2025-08-03 | 23.55.167.18 (ClassC) |
| 2025-09-22 | 23.192.230.143 (ClassC) |
| 2026-01-15 | 23.192.230.153 (ClassC) |
| Date | Domain | IP |
| www1.citibank.com.tw | 2023-08-25 | 104.90.249.138 |
| uat2.msa.citibank.com.tw | 2023-08-25 | 104.100.58.103 |
| uat.msa.citibank.com.tw | 2023-08-25 | 104.90.249.145 |
| uat.onlinebanking.citigold.citibank.com.tw | 2023-08-25 | 23.6.100.116 |
| cardservice.citibank.com.tw | 2016-12-05 | 192.193.161.167 |
| mobile.citibank.com.tw | 2023-08-25 | 104.92.251.149 |
| image.email.citibank.com.tw | 2025-03-24 | 23.55.111.168 |
| image.uat.email.citibank.com.tw | 2023-08-25 | 104.97.45.127 |
| mobileuat.citibank.com.tw | 2023-08-25 | 2.19.129.4 |
| portaluat.citibank.com.tw | 2023-08-25 | 23.6.100.116 |
| api.portaluat.citibank.com.tw | 2023-12-14 | 184.28.93.82 |
| www.citibank.com.tw | 2024-03-15 | 104.90.247.15 |