tcsic.cn - robtex.com

tcsic.cn

DNSSEC⚠️ Not signed
NSstarfish.dnspod.net ⭐
A2402:4e00:1470:2::e🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40
A1.12.0.4🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
A1.14.119.35🇨🇳 TENCENT-NET-AP1.14.64.0/18
A111.13.13.35🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route)
A117.89.178.35🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC
A220.196.136.35🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24
NSwalnut.dnspod.net
A2402:4e00:111:fff::c🇨🇳 TENCENT-NET-AP2402:4e00::/35
A1.12.0.1🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
A1.13.76.35🇨🇳 TENCENT-NET-AP1.13.64.0/18
A36.155.149.35🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
A101.227.168.35🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC
A111.206.98.235🇨🇳 CHINA169-BJ111.206.98.0/24
MXhzmx01.mxmail.netease.com ⭐
A8.209.70.223🇩🇪 Alibaba-Cloud8.209.64.0/19 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811
A8.209.88.255🇩🇪 Alibaba-Cloud8.209.64.0/19 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811
MXmxbiz1.qq.com ⭐
MXhzmx02.mxmail.netease.com(10)
A8.209.70.223🇩🇪 Alibaba-Cloud8.209.64.0/19 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811
A8.209.88.255🇩🇪 Alibaba-Cloud8.209.64.0/19 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811
MXmxbiz2.qq.com(10)
TXTv=spf1 include:spf.163.com -all
TXTv=spf1 include:spf.mail.qq.com ~all
SOAstarfish.dnspod.netfreednsadmin@dnspod.com serial=1779415851

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2035000612

Same first word

tcsic.cn
tcsic.com

Similar names

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ctisc.com.cn
isctc.be
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itscc.net
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iscct.ru
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cstic.cl
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ccsit.cc
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tscci.org
icsct.com
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itscc.co.kr
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tscci.com
ictsc.ir
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scitc.com
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cstic.com
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cctis.com
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scitc.com.cn
itscc.com.cn
ccsit.org
stcic.org
cscti.com.br
ctcis.cn
tccsi.org
cicts.com
cistc.org
ccsit.de

DNS History

6 records (6 active, 0 former)

NSstarfish.dnspod.netwalnut.dnspod.netMXhzmx01.mxmail.netease.comhzmx02.mxmail.netease.commxbiz1.qq.commxbiz2.qq.com
●NSstarfish.dnspod.net2026-05-16 → 2026-07-04 · 2 obs
● 2026-05-16 04:46:46
● 2026-07-04 05:11:12
●NSwalnut.dnspod.net2026-05-16 → 2026-07-04 · 2 obs
● 2026-05-16 04:46:46
● 2026-07-04 05:11:12
●MXhzmx01.mxmail.netease.com2026-05-16 → 2026-07-04 · 2 obs
● 2026-05-16 04:46:46
● 2026-07-04 05:11:12
●MXhzmx02.mxmail.netease.com2026-05-16 → 2026-07-04 · 2 obs
● 2026-05-16 04:46:46
● 2026-07-04 05:11:12
●MXmxbiz1.qq.com2026-05-16 → 2026-07-04 · 2 obs
● 2026-05-16 04:46:46
● 2026-07-04 05:11:12
●MXmxbiz2.qq.com2026-05-16 → 2026-07-04 · 2 obs
● 2026-05-16 04:46:46
● 2026-07-04 05:11:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, e.dns.cn, d.dns.cn, c.dns.cn...-
tcsic.cnwalnut.dnspod.net, starfish.dnspod.net-

✅ Authoritative Response

Server:36.155.149.35

NS records: walnut.dnspod.net, starfish.dnspod.net

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at cn: Error: DNS query timeout: 203.119.25.1 for DNSKEY cn

⏱️ Timing

Total: 4049ms | Queries: -

📄 Records

TypeCountSample Data
NS2starfish.dnspod.net, walnut.dnspod.net
MX4hzmx01.mxmail.netease.com (pri: 5), mxbiz1.qq.com (pri: 5)...
TXT2v=spf1 include:spf.163.com -all, v=spf1 include:spf.mail.qq.com ~all
SOA1starfish.dnspod.net freednsadmin.dnspod.

Analysis

Name Servers

tcsic.cn has two authoritative name servers — starfish.dnspod.net and walnut.dnspod.net.

tcsic.cn has the same name server delegation as a number of other domains, such as rgvpncn.net, ravingfly.com, shishizhan.com and two more.

At least some of tcsic.cn's name servers are shared with other domains, for example yinru.com and zldz.com.

Host names resolving to 6 IP numbers:

starfish.dnspod.net points to 1.12.0.4, 1.14.119.35, 111.13.13.35 and 3 other IP addresses.

walnut.dnspod.net points to 1.12.0.1, 1.13.76.35, 36.155.149.35 and 3 other IP addresses.

Mail Servers

The four mail servers for tcsic.cn are mxbiz1.qq.com, mxbiz2.qq.com, hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.

tcsic.cn shares at least some of its mail servers with other domains — for example nieyi.cn, weisong.co, hrtuoyu.com and two more.

Both hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com point to 8.209.70.223 and 8.209.88.255.

The host names hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com both resolve to 8.209.70.223 IP addresses.

The host names hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com both resolve to 8.209.88.255 IP addresses.