Did you try to use alternative DNS server settings, like Quad9 or CloudFlare DNS ?
Posts made by Geraner
RE: KAV\KIS\KTS\KFA\KS\KSOS: 188.8.131.526
RE: End of season 2020
Congratulations to all! Well done!
RE: KAV\KIS\KTS\KFA\KS\KSOS: 184.108.40.2063 RC
Very stable product. After several days testing no issues found. Feels like ready for release to the wild, this version. :-)