dc-tech.net - robtex.com

dc-tech.net

DNSSEC⚠️ Not signed
NSns1.dns100.net ⭐
A27.152.186.218🇨🇳 CHINATELECOM-Fujian-Quanzhou-IDC127.152.186.0/23 IDC FUJIAN QUANZHOU
A121.12.104.111🇨🇳 CHINANET-Guangdong-DongGuan-IDC121.12.104.0/21 China Telecom Data Network Management Division Network Operation & Maintenance Department No 19 Chaoyangmen North Street Dongcheng District
A218.98.111.175🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED
NSns2.dns100.net
A42.157.225.222
A119.167.180.159🇨🇳 CHINA169-Backbone119.164.0.0/14 CNC Group CHINA169 Shandong Province Network
A183.253.57.218🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route)
MXmxbiz1.qq.com ⭐
MXmxbiz2.qq.com(10)
TXTv=spf1 include:spf.mail.qq.com ~all
SOAns1.dns100.netadmin@dns100.net serial=1751342709

net

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=1778646561
WOT: SAFE (68/100)

Subdomains

www.dc-tech.net

Same first word

dc-tech.de
dc-tech.com.cn
dc-tech.com
dc-tech.net
dc-tech.ro
dc-tech.com.vn

Similar names

cd-tech.ch
cd-tech.de
the-dcc.com
cd-tech.cn

DNS History

12 records (4 active, 8 former)

20162017201820192020202120222023202420252026NSns1.dns100.netns2.dns100.netcgsdns1.alibabaonline.comcgsdns2.alibabaonline.comns33.domaincontrol.comns34.domaincontrol.comMXmxbiz1.qq.commxbiz2.qq.commx01.mail.alibaba.commx02.mail.alibaba.comA107.180.50.237205.204.112.4
○NScgsdns1.alibabaonline.com2015-06-06 → 2015-12-29 · 4 obs
● 2015-06-06 17:00:54
● 2015-12-29 23:36:44
○ 2016-04-08 16:16:08
○ 2026-05-13 04:38:20
○NScgsdns2.alibabaonline.com2015-06-06 → 2015-12-29 · 4 obs
● 2015-06-06 17:00:54
● 2015-12-29 23:36:44
○ 2016-04-08 16:16:08
○ 2026-05-13 04:38:20
●NSns1.dns100.net2026-04-07 → 2026-05-13 · 3 obs
○ 2016-09-18 08:25:08
● 2026-04-07 20:08:32
● 2026-05-13 04:38:20
●NSns2.dns100.net2026-04-07 → 2026-05-13 · 3 obs
○ 2016-09-18 08:25:08
● 2026-04-07 20:08:32
● 2026-05-13 04:38:20
○NSns33.domaincontrol.com2016-04-08 → 2016-09-18 · 5 obs
○ 2015-12-29 23:36:44
● 2016-04-08 16:16:08
● 2016-09-18 08:25:08
○ 2026-04-07 20:08:32
○ 2026-05-13 04:38:20
○NSns34.domaincontrol.com2016-04-08 → 2016-09-18 · 5 obs
○ 2015-12-29 23:36:44
● 2016-04-08 16:16:08
● 2016-09-18 08:25:08
○ 2026-04-07 20:08:32
○ 2026-05-13 04:38:20
○MXmx01.mail.alibaba.com2015-06-06 → 2015-12-29 · 4 obs
● 2015-06-06 17:00:54
● 2015-12-29 23:36:44
○ 2016-04-08 16:16:08
○ 2026-05-13 04:38:20
○MXmx02.mail.alibaba.com2015-06-06 → 2015-12-29 · 4 obs
● 2015-06-06 17:00:54
● 2015-12-29 23:36:44
○ 2016-04-08 16:16:08
○ 2026-05-13 04:38:20
●MXmxbiz1.qq.com2016-04-08 → 2026-05-13 · 3 obs
○ 2015-12-29 23:36:44
● 2016-04-08 16:16:08
● 2026-05-13 04:38:20
●MXmxbiz2.qq.com2016-04-08 → 2026-05-13 · 3 obs
○ 2015-12-29 23:36:44
● 2016-04-08 16:16:08
● 2026-05-13 04:38:20
○A107.180.50.2372016-04-08 → 2016-09-18 · 5 obs
○ 2015-12-29 23:36:44
● 2016-04-08 16:16:08
● 2016-09-18 08:25:08
○ 2026-04-07 20:08:32
○ 2026-05-13 04:38:20
○A205.204.112.42015-06-06 → 2015-12-29 · 4 obs
● 2015-06-06 17:00:54
● 2015-12-29 23:36:44
○ 2016-04-08 16:16:08
○ 2026-05-13 04:38:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netj.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net...-
dc-tech.netns1.dns100.net, ns2.dns100.net3 records

✅ Authoritative Response

Server:183.253.57.218

NS records: ns1.dns100.net, ns2.dns100.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dc-tech.net (unsigned zone)

⏱️ Timing

Total: 3622ms | Queries: -

📄 Records

TypeCountSample Data
NS2ns1.dns100.net, ns2.dns100.net
MX2mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)
TXT1v=spf1 include:spf.mail.qq.com ~all
SOA1ns1.dns100.net admin.dns100.net

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.dns100.net, ns2.dns100.net, ns2.dns100.net)

Analysis

Hierarchy

www.dc-tech.net is a child of dc-tech.net.

Name Servers

dc-tech.net's delegation uses two name servers: ns1.dns100.net and ns2.dns100.net.

dc-tech.net uses the same name server setup as other domains, such as pcroom.com.cn, yusunhk.com, knit8.com, uniideal.com and shbangji.com.

Host names with three IP numbers:

The host name ns1.dns100.net resolves to 27.152.186.218, 121.12.104.111 and 218.98.111.175.

The host name ns2.dns100.net resolves to 42.157.225.222, 119.167.180.159 and 183.253.57.218.

Mail Servers

dc-tech.net is served by two mail servers mxbiz1.qq.com and mxbiz2.qq.com.

dc-tech.net shares the same mail server setup as other domains, for instance sepia.com.cn, ky5yx.com, landcapital.cn, opluscom.net and kanglianjuhe.com.

dc-tech.net shares some mail servers with other domains, at least in part; for example antic.cm.cm and www1.com.cn.