| Property | Value |
| domain@queue.cdnetworks.com | |
| NameServer | NS2.NEFFICIENT.COM |
| Created | 2000-08-30 00:00:00 |
| Changed | 2015-03-26 00:00:00 |
| Expires | 2016-08-30 00:00:00 |
| Registrar | TIERRANET INC. D/B/A |
| Date | IP Address |
| 2020-12-14 | 14.0.100.167 (ClassC) |
| 2025-11-23 | 14.0.100.185 (ClassC) |
| Date | Domain | IP |
| ns12.nefficient.com | 2025-10-24 | 66.114.55.22 |
| ns2.nefficient.com | 2025-11-20 | 66.114.55.22 |
| p-origin2.krweb.nefficient.com | 2025-11-23 | 14.0.100.185 |
| download.eitc.go.kr.krweb.nefficient.com | 2013-08-26 | 61.110.213.53 |
| download.yesone.go.kr.krweb.nefficient.com | 2015-03-24 | 61.110.213.51 |
| download.hometax.go.kr.krweb.nefficient.com | 2013-10-19 | 61.110.213.51 |