CF1760873099547-tsm20251017082432

WWW.RTSAK.COM - ctu-tech.com

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ctu-tech.com checked at 2025-10-19T11:24:59.531Z 755ms 228/228/228 100% R:21

ctu-tech.com

MXmdn.corp-email.cn
A47.74.183.245πŸ‡ΈπŸ‡¬ Alibaba
PTRsal604.corpemail.net
A95.85.28.238πŸ‡³πŸ‡± DigitalOcean
PTRvip2-fastemail-cn.biz-email.net
A178.62.221.58πŸ‡³πŸ‡± DigitalOcean
PTRsgcdn94.corpemail.net
A188.166.82.68πŸ‡³πŸ‡± DigitalOcean
PTRinbound-601.protection.corpemail.net
MXtcl-com.corpsmtp.cn
A46.101.220.252πŸ‡©πŸ‡ͺ DigitalOcean
PTRinbound-protection-604.corpsmtp.net
A47.74.38.91πŸ‡―πŸ‡΅ Alibaba
PTRsal701.corpsmtp.net
A47.74.38.124πŸ‡―πŸ‡΅ Alibaba
PTRsal702.corpsmtp.net
A47.74.155.178πŸ‡ΈπŸ‡¬ Alibaba
PTRsal606.corpsmtp.net
A47.74.223.162πŸ‡ΈπŸ‡¬ Alibaba
PTRsal605.corpsmtp.net
A138.68.75.175πŸ‡©πŸ‡ͺ DigitalOcean
PTRinbound-protection-605.corpsmtp.net
A192.241.207.6πŸ‡ΊπŸ‡Έ DigitalOcean
PTRinbound-protection-608.corpsmtp.net
A192.241.217.149πŸ‡ΊπŸ‡Έ DigitalOcean
PTRinbound-protection-609.corpsmtp.net
A206.189.7.78πŸ‡³πŸ‡± DigitalOcean
PTRinbound-protection-606.corpsmtp.net
A206.189.96.192πŸ‡³πŸ‡± DigitalOcean
PTRinbound-protection-607.corpsmtp.net
NSdns15.hichina.com
A2408:4009:501::23 πŸ‡¨πŸ‡³ Alibaba (China)
A39.96.153.42πŸ‡¨πŸ‡³ Alibaba (China)
A39.96.153.52πŸ‡¨πŸ‡³ Alibaba (China)
A47.118.199.202πŸ‡¨πŸ‡³ Alibaba (China)
A47.118.199.212πŸ‡¨πŸ‡³ Alibaba (China)
A120.76.107.42πŸ‡¨πŸ‡³ Alibaba (China)
A120.76.107.52πŸ‡¨πŸ‡³ Alibaba (China)
A139.224.142.112πŸ‡¨πŸ‡³ Alibaba (China)
A139.224.142.122πŸ‡¨πŸ‡³ Alibaba (China)
NSdns16.hichina.com
A2408:4009:501::24 πŸ‡¨πŸ‡³ Alibaba (China)
A39.96.153.41πŸ‡¨πŸ‡³ Alibaba (China)
A39.96.153.51πŸ‡¨πŸ‡³ Alibaba (China)
A47.118.199.201πŸ‡¨πŸ‡³ Alibaba (China)
A47.118.199.211πŸ‡¨πŸ‡³ Alibaba (China)
A120.76.107.41πŸ‡¨πŸ‡³ Alibaba (China)
A120.76.107.51πŸ‡¨πŸ‡³ Alibaba (China)
A139.224.142.111πŸ‡¨πŸ‡³ Alibaba (China)
A139.224.142.121πŸ‡¨πŸ‡³ Alibaba (China)
MXmdn.corpemail.net
A23.91.98.8πŸ‡ΊπŸ‡Έ UCloud Information Technology (HK) Limited
PTRsal605.corpemail.net
A47.74.183.245πŸ‡ΈπŸ‡¬ Alibaba
PTRsal604.corpemail.net
A47.88.156.124πŸ‡ΈπŸ‡¬ Alibaba
PTRsal603.corpemail.net
A47.88.170.90πŸ‡ΈπŸ‡¬ Alibaba
PTRsal601.corpemail.net
A95.85.54.247πŸ‡³πŸ‡± DigitalOcean
PTRinbound-603.protection.corpemail.net
A159.100.25.64πŸ‡¦πŸ‡Ή firstcolo Austria
PTRdd-cn2-101.corpemail.net
A159.100.25.163πŸ‡¦πŸ‡Ή firstcolo Austria
PTRdd-cn2-401.corpemail.net
A159.100.25.212πŸ‡¦πŸ‡Ή firstcolo Austria
PTRdd-cn2-402.corpemail.net
A188.166.26.239πŸ‡³πŸ‡± DigitalOcean
PTRinbound-602.protection.corpemail.net
MXtcl-com.corpsmtp.net
A138.68.75.175πŸ‡©πŸ‡ͺ DigitalOcean
PTRinbound-protection-605.corpsmtp.net
A113.10.143.209πŸ‡­πŸ‡° Hong Kong Broadband Network LTD
PTR113010143209.static.ctinets.com

com

NSa.gtld-servers.net
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Starts with same word

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AI analysis

ctu-tech.com is the parent of mx2.ctu-tech.com.

ctu-tech.com resolves to a single IP address: 113.10.143.209.

Other host names, such as bright-led.hk and ppstrong.com, share IP numbers with ctu-tech.com.

ctu-tech.com's delegation uses two name servers, dns15.hichina.com and dns16.hichina.com.

ctu-tech.com shares the same name server setup as other domains, for example magmaster.cn, yihaixiaosha.com, yoshitake.bj.cn, things8.com and mydakucha.com.

dns15.hichina.com points to: 2408:4009:501::23, 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.

dns16.hichina.com points to: 2408:4009:501::24, 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.

ctu-tech.com is served by four mail servers: mdn.corp-email.cn, tcl-com.corpsmtp.cn, mdn.corpemail.net and tcl-com.corpsmtp.net.

The mail servers for ctu-tech.com are shared with other domains, for instance xmisnd.com, 3dbiooptima.com, suirui.com, jd-link.com and comao.com.cn.

These mail servers are often used with cnc.biz-email.net, mail.biz-email.net, yuyuantm-com-cn.corpsmtp.cn, yuyuantm-com-cn.corpsmtp.net, newland-com-cn.corpsmtp.cn, newland-com-cn.corpsmtp.net, idreamsky-com.corpsmtp.cn and idreamsky-com.corpsmtp.net.

Host names with ten IP numbers: tcl-com.corpsmtp.cn points to: 46.101.220.252, 47.74.38.91, 47.74.38.124, 47.74.155.178, 47.74.223.162, 138.68.75.175, 192.241.207.6, 192.241.217.149, 206.189.7.78 and 206.189.96.192.

Host names with nine IP numbers: mdn.corpemail.net points to: 23.91.98.8, 47.74.183.245, 47.88.156.124, 47.88.170.90, 95.85.54.247, 159.100.25.64, 159.100.25.163, 159.100.25.212 and 188.166.26.239.

Host names with four IP numbers: mdn.corp-email.cn points to: 47.74.183.245, 95.85.28.238, 178.62.221.58 and 188.166.82.68.

Host names with one IP number: tcl-com.corpsmtp.net points to: 138.68.75.175.

Host names that point to 138.68.75.175: tcl-com.corpsmtp.cn and tcl-com.corpsmtp.net.

Host names that point to 47.74.183.245: mdn.corpemail.net and mdn.corp-email.cn.

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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