iP or domain name lookup

ydykddns.iok.la Server iP：

Current resolution：

domain resolution record：

2019-12-09-----2022-01-09 0.0.0.0

2021-01-03-----2021-01-03 174.128.255.252

2017-09-06-----2017-09-07 171.88.143.133

2017-07-16-----2017-08-06 171.88.142.202

2017-08-01-----2017-08-03 171.88.140.105

2017-07-26-----2017-07-27 171.88.143.250

2017-07-27-----2017-07-27 171.88.141.20

2017-07-21-----2017-07-21 171.88.140.151

2017-07-14-----2017-07-14 171.88.142.66

2017-07-07-----2017-07-10 171.88.141.79

2017-07-10-----2017-07-10 171.88.141.146