IP地址定位：74.123.152.244 → 美国
| IPV4地址 | 74.123.152.244 |
| 反向解析 | cluster2.convio.net |
| 数字IP地址 | 1249614068 |
| IPV6地址 | 0000:0000:0000:0000:0000:ffff:4a7b:98f4 |
| 映射IPv6地址 | ::ffff:4a7b:98f4 |
| 兼容IPv6地址 | ::4a7b:98f4 |
| 兼容IPV4的IPV6地址 | 0:0:0:0:0:0:74.123.152.244 |
| ::74.123.152.244 |
secure.jnf.org 2020-09-29----2021-01-05
support.jnf.org 2020-09-29----2021-04-06