`smkj21.com`

DNSSEC	⚠️ Not signed
A	121.42.97.183^{🇨🇳 Alibaba-Cloud121.42.64.0/18}
NS	`ns13.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	`ns14.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}
SOA	`ns13.xincache.com`enterprise1dnsadmin@dnspod.com serial=1576657992

`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=1778749296

Same first word

smkj21.com

Similar names

jmsk12.com

DNS History

5 records (3 active, 2 former)

●NSns13.xincache.com2015-07-18 → 2026-05-14 · 2 obs

● 2015-07-18 17:21:38
● 2026-05-14 09:02:02

●NSns14.xincache.com2015-07-18 → 2026-05-14 · 2 obs

● 2015-07-18 17:21:38
● 2026-05-14 09:02:02

○A101.201.140.202017-03-19 → 2017-03-19 · 4 obs

○ 2016-05-05 22:56:16
● 2017-03-19 17:35:16
○ 2020-02-10 08:43:50
○ 2026-05-14 09:02:02

●A121.42.97.1832020-02-10 → 2026-05-14 · 3 obs

○ 2017-03-19 17:35:16
● 2020-02-10 08:43:50
● 2026-05-14 09:02:02

○A223.7.16.62015-07-18 → 2016-05-05 · 4 obs

● 2015-07-18 17:21:38
● 2016-05-05 22:56:16
○ 2017-03-19 17:35:16
○ 2026-05-14 09:02:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net...	-
smkj21.com	ns13.xincache.com, ns14.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.4

NS records: ns13.xincache.com, ns14.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smkj21.com (unsigned zone)

⏱️ Timing

Total: 875ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.42.97.183`
NS	2	`ns14.xincache.com, ns13.xincache.com`
SOA	1	`ns13.xincache.com enterprise1dnsadmin.dn`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns13.xincache.com, ns13.xincache.com, ns13.xincache.com...)

Analysis

IP Addresses

smkj21.com points to an IP address: 121.42.97.183.

Name Servers

Two name servers ns13.xincache.com and ns14.xincache.com handle the delegation for smkj21.com.

smkj21.com shares the same name server setup as other domains, for instance exergychina.com, yi371.net, szhp.com, leadmat.com and yanwy.com.

smkj21.com at least partially shares name servers with other domains, for instance 126qiyeyou.com, nogo.cn, topbond.net, pkucd.com and scdyyy.com.

These name servers are commonly used with the following: ns11.xincache.com, ns12.xincache.com, ns19.xincache.com and ns20.xincache.com.

Host names with eight IP numbers: ns13.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.

Host names with seven IP numbers: ns14.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.

smkj21.com - robtex.com

smkj21.com

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