`jkwork.com`

DNSSEC	⚠️ Not signed
A	60.205.37.21^{🇨🇳 Alibaba-Cloud60.205.0.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
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}
			PTR	`ip-1-12-0-4.defastlink.net`
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
			PTR	`ip-36-155-149-180.defastlink.net`
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
			PTR	`ip-112-80-181-45.defastlink.net`
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
			PTR	`ip-117-89-178-173.defastlink.net`
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
			PTR	`ip-125-94-59-210.defastlink.net`
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
			PTR	`ip-129-211-176-209.defastlink.net`
NS	`ns12.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}
			PTR	`ip-1-12-0-1.defastlink.net`
		A	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
			PTR	`ip-36-155-149-176.defastlink.net`
		A	112.80.181.111^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
			PTR	`ip-112-80-181-111.defastlink.net`
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
			PTR	`ip-117-89-178-184.defastlink.net`
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
			PTR	`ip-129-211-176-239.defastlink.net`
		A	163.177.5.23^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
			PTR	`ip-163-177-5-23.defastlink.net`
MX	`mxbiz1.qq.com` ⭐
		A	203.205.147.218^{🇭🇰 TENCENT-NET-AP-CN203.205.147.0/24 Proxy-registered route object}
		A	203.205.232.191^{🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object}
MX	`mxbiz2.qq.com`⁽¹⁰⁾
		A	203.205.232.191^{🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object}
SOA	`ns11.xincache.com`enterprise1dnsadmin@dnspod.com serial=1576570345

`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=1771291435

Same first word

jkwork.com

DNS History

10 records (5 active, 5 former)

●NSns11.xincache.com2015-05-30 → 2026-03-23 · 5 obs

● 2015-05-30 15:30:52
○ 2015-10-17 05:43:14
○ 2017-04-04 03:09:38
● 2026-02-24 13:00:36
● 2026-03-23 03:53:34

●NSns12.xincache.com2015-05-30 → 2026-03-23 · 5 obs

● 2015-05-30 15:30:52
○ 2015-10-17 05:43:14
○ 2017-04-04 03:09:38
● 2026-02-24 13:00:36
● 2026-03-23 03:53:34

○NSns17.xincache.com2015-10-17 → 2017-04-04 · 5 obs

○ 2015-05-30 15:30:52
● 2015-10-17 05:43:14
● 2017-04-04 03:09:38
○ 2026-02-24 13:00:36
○ 2026-03-23 03:53:34

○NSns18.xincache.com2015-10-17 → 2017-04-04 · 5 obs

○ 2015-05-30 15:30:52
● 2015-10-17 05:43:14
● 2017-04-04 03:09:38
○ 2026-02-24 13:00:36
○ 2026-03-23 03:53:34

●MXmxbiz1.qq.com2015-10-17 → 2026-03-23 · 2 obs

● 2015-10-17 05:43:14
● 2026-03-23 03:53:34

●MXmxbiz2.qq.com2015-10-17 → 2026-03-23 · 2 obs

● 2015-10-17 05:43:14
● 2026-03-23 03:53:34

○A119.10.36.2202015-10-17 → 2016-03-21 · 4 obs

● 2015-10-17 05:43:14
● 2016-03-21 09:03:14
○ 2016-07-26 04:46:02
○ 2026-03-23 03:53:34

○A119.10.36.2362016-07-26 → 2016-07-26 · 4 obs

○ 2016-03-21 09:03:14
● 2016-07-26 04:46:02
○ 2017-04-04 03:09:38
○ 2026-03-23 03:53:34

○A120.133.3.2542017-04-04 → 2017-04-04 · 4 obs

○ 2016-07-26 04:46:02
● 2017-04-04 03:09:38
○ 2026-02-24 13:00:36
○ 2026-03-23 03:53:34

●A60.205.37.212026-02-24 → 2026-03-23 · 3 obs

○ 2017-04-04 03:09:38
● 2026-02-24 13:00:36
● 2026-03-23 03:53:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net...	-
jkwork.com	ns11.xincache.com, ns12.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.1

NS records: ns11.xincache.com, ns12.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jkwork.com (unsigned zone)

⏱️ Timing

Total: 279ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`60.205.37.21`
NS	2	`ns12.xincache.com, ns11.xincache.com`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
SOA	1	`ns11.xincache.com enterprise1dnsadmin.dn`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns11.xincache.com, ns11.xincache.com, ns11.xincache.com...)

Analysis

IP Addresses

jkwork.com resolves to one IP number: 60.205.37.21.

Name Servers

jkwork.com is delegated to two name servers ns11.xincache.com and ns12.xincache.com.

jkwork.com shares the same name server setup as other domains, for instance chongjingtang.net, songmedia.net, sdtbjt.com, gwtt.cn and novja.com.

jkwork.com at least partially shares name servers with other domains, for instance fxyb.com, skyjian.com, haideli.cn, socolifefurniture.com and yinxiangart.com.

These name servers are commonly used with the following name servers: ns19.xincache.com, ns20.xincache.com, ns13.xincache.com, ns14.xincache.com, ce1.xincache.com, ce2.xincache.com, f1g1ns1.dnspod.net, ns17.xincache.com, ns18.xincache.com and ns15.xincache.com.

Eight IP numbers for a host:

ns11.xincache.com points to: 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.

Seven IP numbers for a host:

ns12.xincache.com points to: 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 112.80.181.111, 117.89.178.184, 129.211.176.239 and 163.177.5.23.

Mail Servers

Two mail servers handle jkwork.com: mxbiz1.qq.com and mxbiz2.qq.com.

jkwork.com shares the same mail server setup as other domains, for instance hnzhisheng.net, dongguan.gd.cn, ce-intel.com, lgy.com.cn and dgjinba.com.

jkwork.com shares some mail servers with other domains, at least partially, for instance 3svg.org, ztsoft.com.cn, douhaoit.com, rukou.cn and smflush.cn.

Host names with two IP numbers: mxbiz1.qq.com points to 203.205.147.218 and 203.205.232.191.

Host names with one IP number: mxbiz2.qq.com points to 203.205.232.191.

Host names that point to 203.205.232.191: mxbiz1.qq.com and mxbiz2.qq.com.

jkwork.com - robtex.com

jkwork.com

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