CF1759228370665-tsm20250929235914

WWW.ROBTEX.COM - jstcc.cn

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jstcc.cn checked at 2025-09-30T10:32:50.595Z 1012ms 261/261/261 100% R:14

jstcc.cn

MXmailcdn.21cn.com
A47.89.13.55🇭🇰 Alibaba
PTRhwmail.21cn.com
A47.244.57.14🇭🇰 Alibaba
PTRhwmail.21cn.com
A47.254.32.24🇺🇸 Alibaba
PTRhwmail.21cn.com
A47.254.74.62🇺🇸 Alibaba
PTRhwmail.21cn.com
MXmta-ent.21cn.com
A183.56.203.132🇨🇳 CHINANET-Guangzhou-Southbase-IDC
A183.56.205.179🇨🇳 CHINANET-Guangzhou-Southbase-IDC
NSdns11.hichina.com
A2408:4009:501::19🇨🇳 Alibaba (China)
A39.96.153.42🇨🇳 Alibaba (China)
A39.96.153.52🇨🇳 Alibaba (China)
A47.118.199.202🇨🇳 Alibaba (China)
A47.118.199.212🇨🇳 Alibaba (China)
A120.76.107.42🇨🇳 Alibaba (China)
A120.76.107.52🇨🇳 Alibaba (China)
A139.224.142.112🇨🇳 Alibaba (China)
A139.224.142.122🇨🇳 Alibaba (China)
NSdns12.hichina.com
A2408:4009:501::20🇨🇳 Alibaba (China)
A39.96.153.41🇨🇳 Alibaba (China)
A39.96.153.51🇨🇳 Alibaba (China)
A47.118.199.201🇨🇳 Alibaba (China)
A47.118.199.211🇨🇳 Alibaba (China)
A120.76.107.41🇨🇳 Alibaba (China)
A120.76.107.51🇨🇳 Alibaba (China)
A139.224.142.111🇨🇳 Alibaba (China)
A139.224.142.121🇨🇳 Alibaba (China)

cn

NSa.dns.cn
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net

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AI analysis

jstcc.cn is the parent of www.jstcc.cn.

jstcc.cn's delegation uses two name servers, dns11.hichina.com and dns12.hichina.com.

jstcc.cn shares the same name server setup as other domains, for example yangshuocookingschool.com, taoice.cn, ateen.net, sxxqwh.com and teche.cn.

dns11.hichina.com points to: 2408:4009:501::19, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.

dns12.hichina.com points to: 2408:4009:501::20, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.

jstcc.cn is handled by two mail servers: mailcdn.21cn.com and mta-ent.21cn.com.

jstcc.cn shares its mail server setup with other domains, including emd-industries.com, jiubo.com, dkha.com, leescase.com and ceprei.org.

The mail servers for jstcc.cn are shared with other domains, for instance mx4.21cn.com, cdnns1.21cn.com, max2-228.guangzhou.gd.cn, imgphoto.21cn.com and match.free.21cn.com.

Host names with four IP numbers: mailcdn.21cn.com points to 47.89.13.55, 47.244.57.14, 47.254.32.24 and 47.254.74.62.

Host names with two IP numbers: mta-ent.21cn.com points to 183.56.203.132 and 183.56.205.179.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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pcsbfbN CF johedugfp 2025-09-30