protech.com.cn - dns.ninja

protech.com.cn

DNSSEC⚠️ Not signed
A218.188.159.101🇭🇰 HUTCHISON-AS-AP218.188.144.0/20 HGC Global Communications Limited 9/F Hutchison Telecom Tower 99 Cheung Fai Road
PTRprotech.com.cn
NSns11.xincache.com ⭐
A2402:4e00:1470:2::e🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40
A2402:4e00:1730::e🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40
A1.12.0.4🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
A36.155.149.180🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
A112.80.181.45🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network
A117.89.178.173🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC
A125.94.59.210🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network
A129.211.176.209🇨🇳 TENCENT-NET-AP129.211.176.0/20
NSns19.xincache.com
A2402:4e00:1470:2::e🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40
A2402:4e00:1730::e🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40
A1.12.0.4🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
A36.155.149.180🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
A112.80.181.45🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network
A117.89.178.173🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC
A125.94.59.210🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network
A129.211.176.209🇨🇳 TENCENT-NET-AP129.211.176.0/20
NSns20.xincache.com
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
A36.155.149.176🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
A112.80.181.111🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network
A117.89.178.184🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC
A129.211.176.239🇨🇳 TENCENT-NET-AP129.211.176.0/20
A163.177.5.23🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24
MXprotech.com.cn ⭐
A218.188.159.101🇭🇰 HUTCHISON-AS-AP218.188.144.0/20 HGC Global Communications Limited 9/F Hutchison Telecom Tower 99 Cheung Fai Road
PTRprotech.com.cn
MXrelay.on-nets.com(20)
A210.0.227.75🇭🇰 HUTCHISON-AS-AP210.0.227.0/24 HGC Global Communications Limited 9/F Hutchison Telecom Tower 99 Cheung Fai Road
A210.0.255.153🇭🇰 HUTCHISON-AS-AP210.0.192.0/18 HGC Global Communications Limited 9/F Hutchison Telecom Tower 99 Cheung Fai Road
A210.0.255.167🇭🇰 HUTCHISON-AS-AP210.0.192.0/18 HGC Global Communications Limited 9/F Hutchison Telecom Tower 99 Cheung Fai Road
TXTv=spf1 a mx ip4:218.188.159.101 ip4:218.188.159.102 -all
SOAns11.xincache.comns12@xincache.com serial=1657868944

com.cn

DNSSEC⚠️ Not signed
NSa.dns.cn ⭐ ⚠️ Not in parent delegation
NSb.dns.cn ⚠️ Not in parent delegation
NSc.dns.cn ⚠️ Not in parent delegation
NScns.cernet.net ⚠️ Not in parent delegation
NSd.dns.cn ⚠️ Not in parent delegation
NSe.dns.cn ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2030753526
WOT: NOT_SAFE (20/100)

PTR for

101.159.188.218.in-addr.arpa

MX for

protech.com.cn

Same first word

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DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSns11.xincache.comns19.xincache.comns20.xincache.comns13.xincache.comns14.xincache.comMXprotech.com.cnrelay.on-nets.commail.protech.com.cnA218.188.159.101118.140.99.173210.3.17.141
●NSns11.xincache.com2026-02-17 → 2026-08-14 · 7 obs
○ 2017-01-25 20:42:16
● 2026-02-17 21:41:00
● 2026-06-01 11:19:44
○ 2026-06-11 22:32:26
○ 2026-06-12 16:02:46
● 2026-06-19 20:38:42
● 2026-08-14 21:41:34
○NSns13.xincache.com2015-07-15 → 2016-06-19 · 4 obs
● 2015-07-15 02:07:24
● 2016-06-19 02:00:00
○ 2017-01-25 20:42:16
○ 2026-08-14 21:41:34
○NSns14.xincache.com2015-07-15 → 2016-06-19 · 4 obs
● 2015-07-15 02:07:24
● 2016-06-19 02:00:00
○ 2017-01-25 20:42:16
○ 2026-08-14 21:41:34
●NSns19.xincache.com2017-01-25 → 2026-08-14 · 3 obs
○ 2016-06-19 02:00:00
● 2017-01-25 20:42:16
● 2026-08-14 21:41:34
●NSns20.xincache.com2017-01-25 → 2026-08-14 · 3 obs
○ 2016-06-19 02:00:00
● 2017-01-25 20:42:16
● 2026-08-14 21:41:34
○MXmail.protech.com.cn2015-07-15 → 2017-01-25 · 4 obs
● 2015-07-15 02:07:24
● 2017-01-25 20:42:16
○ 2018-06-29 10:57:22
○ 2026-08-14 21:41:34
●MXprotech.com.cn2018-06-29 → 2026-08-14 · 7 obs
○ 2017-01-25 20:42:16
● 2018-06-29 10:57:22
● 2026-06-01 11:19:44
○ 2026-06-11 22:32:26
○ 2026-06-12 16:02:46
● 2026-06-19 20:38:42
● 2026-08-14 21:41:34
●MXrelay.on-nets.com2026-02-17 → 2026-08-14 · 7 obs
○ 2018-06-29 10:57:22
● 2026-02-17 21:41:00
● 2026-06-01 11:19:44
○ 2026-06-11 22:32:26
○ 2026-06-12 16:02:46
● 2026-06-19 20:38:42
● 2026-08-14 21:41:34
○A118.140.99.1732017-01-25 → 2018-06-29 · 5 obs
○ 2016-06-19 02:00:00
● 2017-01-25 20:42:16
● 2018-06-29 10:57:22
○ 2026-02-17 21:41:00
○ 2026-08-14 21:41:34
○A210.3.17.1412015-07-15 → 2016-06-19 · 4 obs
● 2015-07-15 02:07:24
● 2016-06-19 02:00:00
○ 2017-01-25 20:42:16
○ 2026-08-14 21:41:34
●A218.188.159.1012026-02-17 → 2026-08-14 · 7 obs
○ 2018-06-29 10:57:22
● 2026-02-17 21:41:00
● 2026-06-01 11:19:44
○ 2026-06-11 22:32:26
○ 2026-06-12 16:02:46
● 2026-06-19 20:38:42
● 2026-08-14 21:41:34

🔍 DNS Trace

Analysis

Mail Server Role

protech.com.cn acts as its own mail server.

relay.on-nets.com frequently appears as a mail server alongside protech.com.cn.

IP Addresses

protech.com.cn points to a single IP number: 218.188.159.101.

Name Servers

protech.com.cn is delegated to three name servers: ns11.xincache.com, ns19.xincache.com and ns20.xincache.com.

There is at least partial name server overlap between protech.com.cn and other domains — dyjmsc.com, ancc.org.cn, shzhpack.com and two more among them.

These name servers regularly appear alongside ns12.xincache.com, ns13.xincache.com, ns14.xincache.com and 4 other name servers in NS record sets.

Host names with 8 IP numbers:

ns11.xincache.com resolves to 1.12.0.4, 36.155.149.180, 112.80.181.45 and 5 other IP addresses.

ns19.xincache.com resolves to 1.12.0.4, 36.155.149.180, 112.80.181.45 and 5 other IP addresses.

Host names with 7 IP numbers:

ns20.xincache.com resolves to 1.12.0.1, 36.155.149.176, 112.80.181.111 and 4 other IP addresses.

ns11.xincache.com and ns19.xincache.com are host names that each point to 2402:4e00:1470:2::e IP addresses.

ns11.xincache.com and ns19.xincache.com are host names that each point to 2402:4e00:1730::e IP addresses.

ns11.xincache.com and ns19.xincache.com are host names that each point to 1.12.0.4 IP addresses.

ns11.xincache.com and ns19.xincache.com are host names that each point to 36.155.149.180 IP addresses.

ns11.xincache.com and ns19.xincache.com are host names that each point to 112.80.181.45 IP addresses.

ns11.xincache.com and ns19.xincache.com are host names that each point to 117.89.178.173 IP addresses.

ns11.xincache.com and ns19.xincache.com are host names that each point to 125.94.59.210 IP addresses.

ns11.xincache.com and ns19.xincache.com are host names that each point to 129.211.176.209 IP addresses.

Mail Servers

protech.com.cn is handled by two mail servers: protech.com.cn and relay.on-nets.com.

protech.com.cn shares mail servers — at least in part — with other domains, including heng-tan.com.hk, inno-trade.com.hk, ccbintl.com and two others.

These mail servers are frequently used alongside mail servers mailgw3.hkelectric.com, mailgw4.hkelectric.com, mailgw1.hkelectric.com and 7 other.

Host names with three IP numbers:

relay.on-nets.com points to 210.0.227.75, 210.0.255.153 and 210.0.255.167.

Host names pointing to a single IP address:

protech.com.cn points to 218.188.159.101.