`cktechdg.com`

DNSSEC	⚠️ Not signed
A	124.172.153.124^{🇨🇳 CHINANET-Guangdong-FoShan-IDC124.172.144.0/20 Jinwanbangkejitouziyouxiangongsi - FSIDC-Static multicast}
NS	`ns11.xincache.com` ⭐
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
NS	`ns19.xincache.com`
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
NS	`ns20.xincache.com`
		A	2402:4e00:111:fff::c^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.1^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.111^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
		A	163.177.5.23^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
MX	`mxa404.chinaemail.cn` ⭐
		A	43.128.31.66^{🇭🇰 TENCENT-NET-AP-CN43.128.0.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	43.129.30.92^{🇭🇰 TENCENT-NET-AP-CN43.129.24.0/21}
		A	43.135.96.239^{🇭🇰 TENCENT-NET-AP-CN43.135.64.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	159.138.140.216^{🇭🇰 HWCSNET159.138.128.0/20 HUAWEI INTERNATIONAL PTE. LTD. 15A Changi Business Park Central 1 Eightrium 03-03/04}
MX	`mx404.chinaemail.cn`⁽¹⁰⁾
		A	180.76.132.1^{🇨🇳 Baidu180.76.128.0/19}
			PTR	`mxbj01.chinaemail.cn`
		A	180.76.132.11^{🇨🇳 Baidu180.76.128.0/19}
			PTR	`mxbj02.chinaemail.cn`
TXT	`_ffq5cxob9lchhfep8ftrlzas6plt6fd`
TXT	`be3120f79638bbb8fe3e892ac276e1ca71822d492b703d026ee0ad565e9d5e2`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1775186887

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786087589

Same first word

cktechdg.com

DNS History

9 records (6 active, 3 former)

●NSns11.xincache.com2026-05-25 → 2026-08-07 · 3 obs

○ 2015-05-24 03:59:54
● 2026-05-25 17:02:56
● 2026-08-07 07:32:02

●NSns19.xincache.com2015-05-24 → 2026-08-07 · 2 obs

● 2015-05-24 03:59:54
● 2026-08-07 07:32:02

●NSns20.xincache.com2015-05-24 → 2026-08-07 · 2 obs

● 2015-05-24 03:59:54
● 2026-08-07 07:32:02

●MXmx404.chinaemail.cn2015-05-24 → 2026-08-07 · 2 obs

● 2015-05-24 03:59:54
● 2026-08-07 07:32:02

●MXmxa404.chinaemail.cn2015-05-24 → 2026-08-07 · 2 obs

● 2015-05-24 03:59:54
● 2026-08-07 07:32:02

○A116.254.188.242015-05-24 → 2015-12-25 · 4 obs

● 2015-05-24 03:59:54
● 2015-12-25 19:54:50
○ 2016-05-03 16:41:36
○ 2026-08-07 07:32:02

●A124.172.153.1242026-05-25 → 2026-08-07 · 3 obs

○ 2017-04-08 23:57:12
● 2026-05-25 17:02:56
● 2026-08-07 07:32:02

○A183.3.222.1302016-05-03 → 2016-06-01 · 5 obs

○ 2015-12-25 19:54:50
● 2016-05-03 16:41:36
● 2016-06-01 12:48:26
○ 2016-08-09 08:59:38
○ 2026-08-07 07:32:02

○A218.213.70.1942016-08-09 → 2017-04-08 · 5 obs

○ 2016-06-01 12:48:26
● 2016-08-09 08:59:38
● 2017-04-08 23:57:12
○ 2026-05-25 17:02:56
○ 2026-08-07 07:32:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net...	-
cktechdg.com	ns19.xincache.com, ns20.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.1

NS records: ns19.xincache.com, ns20.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cktechdg.com (unsigned zone)

⏱️ Timing

Total: 233ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`124.172.153.124`
NS	2	`ns19.xincache.com, ns20.xincache.com`
MX	2	`mxa404.chinaemail.cn (pri: 5), mx404.chinaemail.cn (pri: 10)`
TXT	2	`_ffq5cxob9lchhfep8ftrlzas6plt6fd, be3120f79638bbb8fe3e892ac276e1ca71822d49`
SOA	1	`ns11.xincache.com ns12.xincache.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns19.xincache.com, ns19.xincache.com, ns19.xincache.com...)

Analysis

IP Addresses

cktechdg.com resolves to one IP address: 124.172.153.124.

it-mate.cn, ttpm.cn, appuios.com and two other host names share IP numbers with cktechdg.com.

Name Servers

The authoritative name servers for cktechdg.com are ns11.xincache.com, ns19.xincache.com and ns20.xincache.com — three in total.

There is at least partial name server overlap between cktechdg.com and other domains — cz99.com, szrch.com, reaying.com and two more among them.

These name servers regularly appear alongside ns12.xincache.com, ce1.xincache.com, ce2.xincache.com and 5 other name servers in NS record sets.

Hostnames that resolve to 8 IP addresses:

Hostname ns11.xincache.com directs to 1.12.0.4, 36.155.149.180 and 112.80.181.45 along with 5 other IP addresses.

Hostname ns19.xincache.com directs to 1.12.0.4, 36.155.149.180 and 112.80.181.45 along with 5 other IP addresses.

Hostnames that resolve to 7 IP addresses:

Hostname ns20.xincache.com directs to 1.12.0.1, 36.155.149.176 and 112.80.181.111 along with 4 other IP addresses.

Both ns11.xincache.com and ns19.xincache.com resolve to 2402:4e00:1470:2::e IP addresses each.

Both ns11.xincache.com and ns19.xincache.com resolve to 2402:4e00:1730::e IP addresses each.

Both ns11.xincache.com and ns19.xincache.com resolve to 1.12.0.4 IP addresses each.

Both ns11.xincache.com and ns19.xincache.com resolve to 36.155.149.180 IP addresses each.

Both ns11.xincache.com and ns19.xincache.com resolve to 112.80.181.45 IP addresses each.

Both ns11.xincache.com and ns19.xincache.com resolve to 117.89.178.173 IP addresses each.

Both ns11.xincache.com and ns19.xincache.com resolve to 125.94.59.210 IP addresses each.

Both ns11.xincache.com and ns19.xincache.com resolve to 129.211.176.209 IP addresses each.

Mail Servers

Mail for cktechdg.com is handled by two mail servers — mx404.chinaemail.cn and mxa404.chinaemail.cn.

cktechdg.com uses an identical mail server configuration to several other domains — among them laiman.cn, jnyk.com.cn, chvacation.com and two more.

cktechdg.com has at least partial mail server overlap with other domains such as jin-sheng.com, dayang-motorcycle.com, 4sun.com.cn and two more.

Hosts that point to four IP numbers:

mxa404.chinaemail.cn resolves to four IP addresses — 43.128.31.66, 43.129.30.92, 43.135.96.239 and 159.138.140.216.

Hostnames that resolve to two IP addresses:

mx404.chinaemail.cn directs traffic to 180.76.132.1 and 180.76.132.11.

cktechdg.com - robtex.com

cktechdg.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`cktechdg.com`

`com`