csntek.com - robtex.com

csntek.com

DNSSEC⚠️ Not signed
A49.51.180.188🇺🇸 TENCENT-NET-AP-CN49.51.180.0/22 Proxy-registered route object
NSns3.01isp.com ⭐ ⚠️ Not in zone NS records
A42.240.142.46🇨🇳 CHINANET-Guangdong-GuangZhou-IDC42.240.128.0/20 Guangzhou IDC of ChinaUnicom
NSns4.01isp.net ⚠️ Not in zone NS records
A47.239.41.106🇭🇰 Alibaba-Cloud47.239.0.0/16 Proxy-registered route object
NSns7.01isp.com ⚠️ Not in parent delegation
A42.240.142.46🇨🇳 CHINANET-Guangdong-GuangZhou-IDC42.240.128.0/20 Guangzhou IDC of ChinaUnicom
NSns8.01isp.net ⚠️ Not in parent delegation
A47.239.41.106🇭🇰 Alibaba-Cloud47.239.0.0/16 Proxy-registered route object
MXqiye163mx01.mxmail.netease.com ⭐
A47.251.71.119🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object
A47.251.84.126🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object
MXqiye163mx02.mxmail.netease.com(10)
A47.251.71.119🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object
A47.251.84.126🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object
TXTv=spf1 include:spf.163.com -all
SOAns3.01isp.comadmin@now.cn 2026-05-14 #1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1778793506

Same first word

csntek.com

Similar names

nsctek.com
kcsnet.or.kr
knects.com
kcents.com
ncstek.com
kcsnet.com.br
cknets.com
kcnest.com
skcnet.com
kctsne.com
sectkn.com
scknet.co.jp
stenck.de
nsteck.com
ncstek.net
kcsnet.com
neckst.com
nestkc.com
kcsnet.co.jp
ntksec.com
neckst.de
kscnet.com
csknet.net
ktsenc.com
snktec.com
kscent.com
ctekns.ch
kscnet.ru
cnstek.com
kstenc.com
kscnet.co.jp
netcks.com
nsktec.com
kcsnet.net
cnteks.com
stekcn.com
csknet.com
nkstec.ac.th
kcsnet.ne.jp
nestck.com
kscnet.de
stenck.com

DNS History

10 records (7 active, 3 former)

200920112013201520172019202120232025NSns3.01isp.comns4.01isp.netns7.01isp.comns8.01isp.netns1.247hosts.comns2.247hosts.comMXqiye163mx01.mxmail.netease.comqiye163mx02.mxmail.netease.comA49.51.180.188142.4.33.37
○NSns1.247hosts.com2008-03-12 → 2008-03-12 · 3 obs
● 2008-03-12 19:35:34
○ 2015-08-06 05:35:00
○ 2026-05-14 21:45:16
○NSns2.247hosts.com2008-03-12 → 2008-03-12 · 3 obs
● 2008-03-12 19:35:34
○ 2015-08-06 05:35:00
○ 2026-05-14 21:45:16
●NSns3.01isp.com2015-08-06 → 2026-05-14 · 3 obs
○ 2008-03-12 19:35:34
● 2015-08-06 05:35:00
● 2026-05-14 21:45:16
●NSns4.01isp.net2015-08-06 → 2026-05-14 · 3 obs
○ 2008-03-12 19:35:34
● 2015-08-06 05:35:00
● 2026-05-14 21:45:16
●NSns7.01isp.com2026-04-29 → 2026-05-14 · 3 obs
○ 2015-08-06 05:35:00
● 2026-04-29 18:17:44
● 2026-05-14 21:45:16
●NSns8.01isp.net2026-04-29 → 2026-05-14 · 3 obs
○ 2015-08-06 05:35:00
● 2026-04-29 18:17:44
● 2026-05-14 21:45:16
●MXqiye163mx01.mxmail.netease.com2015-08-06 → 2026-05-14 · 3 obs
○ 2008-03-12 19:35:34
● 2015-08-06 05:35:00
● 2026-05-14 21:45:16
●MXqiye163mx02.mxmail.netease.com2015-08-06 → 2026-05-14 · 3 obs
○ 2008-03-12 19:35:34
● 2015-08-06 05:35:00
● 2026-05-14 21:45:16
○A142.4.33.372015-08-06 → 2017-01-31 · 4 obs
● 2015-08-06 05:35:00
● 2017-01-31 07:54:00
○ 2026-04-29 18:17:44
○ 2026-05-14 21:45:16
●A49.51.180.1882026-04-29 → 2026-05-14 · 3 obs
○ 2017-01-31 07:54:00
● 2026-04-29 18:17:44
● 2026-05-14 21:45:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net...-
csntek.comns3.01isp.com, ns4.01isp.net1 record

✅ Authoritative Response

Server:47.239.41.106

NS records: ns3.01isp.com, ns4.01isp.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for csntek.com (unsigned zone)

⏱️ Timing

Total: 1851ms | Queries: -

📄 Records

TypeCountSample Data
A149.51.180.188
NS2ns8.01isp.net, ns7.01isp.com
MX2qiye163mx02.mxmail.netease.com (pri: 10), qiye163mx01.mxmail.netease.com (pri: 5)
TXT1v=spf1 include:spf.163.com -all
SOA1ns3.01isp.com admin.now.cn

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns3.01isp.com)

Analysis

IP Addresses

csntek.com resolves to a single IP address: 49.51.180.188.

Other host names including winsafecctv.com, sinopeg.com, oriental-stone.com, zxrfid.com and mavin.cn share IP numbers with csntek.com.

Name Servers

csntek.com is delegated to four name servers: ns3.01isp.com, ns7.01isp.com, ns4.01isp.net and ns8.01isp.net.

csntek.com at least partially shares name servers with other domains, including 5yinart.com, saytoworld.com, gxngx.com, maxdew.com and huazhilu.com.

Host names with a single IP number:

ns3.01isp.com resolves to 42.240.142.46.

ns7.01isp.com resolves to 42.240.142.46.

ns4.01isp.net resolves to 47.239.41.106.

ns8.01isp.net resolves to 47.239.41.106.

Host names pointing to 42.240.142.46: ns3.01isp.com, ns7.01isp.com.

Host names pointing to 47.239.41.106: ns4.01isp.net, ns8.01isp.net.

Mail Servers

csntek.com is handled by two mail servers: qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com.

csntek.com shares its mail server setup with other domains, including innotech.cn, gerntek.com, 133.cn, cerestools.com and damf.cn.

csntek.com shares at least partially some mail servers with other domains, for instance czmateng.com, greatek.com.cn and domy.com.cn.

Names with two IPs:

qiye163mx01.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126.

qiye163mx02.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126.

Names pointing to 47.251.71.119: qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com.

Names pointing to 47.251.84.126: qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com.