CF1760965463992-tsm20251017082432

WWW.RTSAK.COM - server.1course.cn

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server.1course.cn checked at 2025-10-20T13:04:23.975Z 1977ms 26/26/26 100% R:17

server.1course.cn

CNAMEserver-us1.smkx1d8q.1course.cn
A47.88.30.142🇺🇸 Alibaba

1course.cn

NSvip3.alidns.com
NSvip4.alidns.com
NSns3.dnsv4.com
NSns4.dnsv4.com
MXmx1.qiye.aliyun.com
MXmx2.qiye.aliyun.com
MXmx3.qiye.aliyun.com
A121.196.132.74🇨🇳 Alibaba (China)

Starts with same word

Starts similarily

AI analysis

server.1course.cn points to a single IP number: 47.88.30.142.

Other host names, for instance server-us1.smkx1d8q.1course.cn, share IP numbers with server.1course.cn.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

AongbhT CF johedugfp 2025-10-20