zdtc.cn - robtex.com

zdtc.cn

CNAMEoverdue.aliyun.com
DNSSEC⚠️ Not signed
A170.33.12.185🇸🇬 Alibaba_Cloud_SEC170.33.12.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811

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=2035057585

Same first word

zdtc.app
zdtc.net
zdtc.cn
zdtc.com
zdtc.co
zdtc.global
zdtc.network

Similar names

zdct.org
dztc.group
dctz.net
czdt.cn
zcdt.cn
tzcd.net
cdzt.org
zctd.com
ctzd.com
tczd.ru
zdct.net
cdzt.net
dctz.com
ztdc.net.cn
tzcd.cc
cdtz.net
cdzt.it
tzdc.com
zdct.cn
cdtz.cn
tcdz.net
ztcd.com
dtcz.com
cdzt.com
tdcz.cz
dzct.com.cn
tcdz.cn
cdtz.org
zcdt.net
ztcd.net
tdzc.com
dtzc.nl
tdcz.com
dctz.cn
ztdc.cn
cztd.com

DNS History

15 records (3 active, 12 former)

20162017201820192020202120222023202420252026NSdns21.hichina.comdns22.hichina.comdns1.iidns.comdns2.iidns.comdns3.iidns.comdns4.iidns.comdns5.iidns.comdns6.iidns.comA107.167.19.75107.167.19.76107.167.19.77107.167.19.78113.10.190.137CNAMEoverdue.aliyun.comcs.ename.net
○NSdns1.iidns.com2016-11-26 → 2017-05-27 · 4 obs
● 2016-11-26 04:41:56
● 2017-05-27 08:55:48
○ 2026-07-15 22:08:54
○ 2026-07-18 19:51:00
○NSdns2.iidns.com2016-11-26 → 2016-11-26 · 3 obs
● 2016-11-26 04:41:56
○ 2026-07-15 22:08:54
○ 2026-07-18 19:51:00
●NSdns21.hichina.com2026-07-15 → 2026-07-18 · 3 obs
○ 2017-05-27 08:55:48
● 2026-07-15 22:08:54
● 2026-07-18 19:51:00
●NSdns22.hichina.com2026-07-15 → 2026-07-18 · 3 obs
○ 2017-05-27 08:55:48
● 2026-07-15 22:08:54
● 2026-07-18 19:51:00
○NSdns3.iidns.com2016-11-26 → 2016-11-26 · 3 obs
● 2016-11-26 04:41:56
○ 2026-07-15 22:08:54
○ 2026-07-18 19:51:00
○NSdns4.iidns.com2016-11-26 → 2016-11-26 · 3 obs
● 2016-11-26 04:41:56
○ 2026-07-15 22:08:54
○ 2026-07-18 19:51:00
○NSdns5.iidns.com2016-11-26 → 2016-11-26 · 3 obs
● 2016-11-26 04:41:56
○ 2026-07-15 22:08:54
○ 2026-07-18 19:51:00
○NSdns6.iidns.com2016-11-26 → 2016-11-26 · 3 obs
● 2016-11-26 04:41:56
○ 2026-07-15 22:08:54
○ 2026-07-18 19:51:00
○A107.167.19.752016-11-26 → 2016-11-26 · 4 obs
○ 2016-04-02 18:54:36
● 2016-11-26 04:41:56
○ 2017-05-27 08:55:48
○ 2026-07-18 19:51:00
○A107.167.19.762016-11-26 → 2016-11-26 · 4 obs
○ 2016-04-02 18:54:36
● 2016-11-26 04:41:56
○ 2017-05-27 08:55:48
○ 2026-07-18 19:51:00
○A107.167.19.772016-11-26 → 2016-11-26 · 4 obs
○ 2016-04-02 18:54:36
● 2016-11-26 04:41:56
○ 2017-05-27 08:55:48
○ 2026-07-18 19:51:00
○A107.167.19.782016-11-26 → 2016-11-26 · 4 obs
○ 2016-04-02 18:54:36
● 2016-11-26 04:41:56
○ 2017-05-27 08:55:48
○ 2026-07-18 19:51:00
○A113.10.190.1372015-05-27 → 2016-04-02 · 4 obs
● 2015-05-27 12:28:10
● 2016-04-02 18:54:36
○ 2016-11-26 04:41:56
○ 2026-07-18 19:51:00
○CNAMEcs.ename.net2016-11-26 → 2017-05-27 · 4 obs
● 2016-11-26 04:41:56
● 2017-05-27 08:55:48
○ 2026-07-15 22:08:54
○ 2026-07-18 19:51:00
●CNAMEoverdue.aliyun.com2026-07-15 → 2026-07-18 · 3 obs
○ 2017-05-27 08:55:48
● 2026-07-15 22:08:54
● 2026-07-18 19:51:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnd.dns.cn, e.dns.cn, a.dns.cn, c.dns.cn...-
zdtc.cndns21.hichina.com, dns22.hichina.com-

✅ Authoritative Response

Server:39.96.153.40

NS records: dns21.hichina.com, dns22.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zdtc.cn (unsigned zone)

⏱️ Timing

Total: 1662ms | Queries: -

📄 Records

TypeCountSample Data
NS2dns22.hichina.com, dns21.hichina.com
CNAME1overdue.aliyun.com
SOA1dns21.hichina.com hostmaster.hichina.com

Analysis

IP Addresses

zdtc.cn points to a single IP number: 170.33.12.185.

Additional host names — bc4399.com, dounao.com, topoac.com and two others — share IP numbers with zdtc.cn.