| Property | Value |
| Organization | National Institute of Informatics |
| NameServer | jpnac.sinet.ad.jp |
| Changed | 2016-03-31 16:05:24 |
| Date | IP Address |
| 2026-01-20 | 150.100.3.6 (ClassC) |
| Date | Domain | IP |
| dns-x1.sinet.ad.jp | 2025-09-04 | 150.100.18.2 |
| dns-x2.sinet.ad.jp | 2025-09-03 | 150.100.18.6 |
| dns-x3.sinet.ad.jp | 2025-08-19 | 150.100.18.10 |
| jpnac.sinet.ad.jp | 2025-07-05 | 150.100.250.7 |
| dns.sinet.ad.jp | 2026-01-20 | 150.100.3.6 |
| dns-x.sinet.ad.jp | 2025-06-21 | 150.100.18.6 |