`bjkcst.com`

DNSSEC	⚠️ Not signed
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`
NS	`ns20.xincache.com`
MX	`mxn.mxhichina.com` ⭐
MX	`mxw.mxhichina.com`⁽¹⁰⁾
SOA	`ns11.xincache.com`ns12@xincache.com serial=1674020973

`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=1784978582

DNS History

8 records (5 active, 3 former)

●NSns11.xincache.com2015-06-10 → 2026-07-25 · 5 obs

● 2015-06-10 23:37:04
○ 2015-10-24 07:56:12
○ 2017-05-31 13:03:34
● 2026-05-25 00:49:56
● 2026-07-25 11:28:18

○NSns12.xincache.com2015-06-10 → 2015-06-10 · 3 obs

● 2015-06-10 23:37:04
○ 2015-10-24 07:56:12
○ 2026-07-25 11:28:18

●NSns19.xincache.com2015-10-24 → 2026-07-25 · 3 obs

○ 2015-06-10 23:37:04
● 2015-10-24 07:56:12
● 2026-07-25 11:28:18

●NSns20.xincache.com2015-10-24 → 2026-07-25 · 3 obs

○ 2015-06-10 23:37:04
● 2015-10-24 07:56:12
● 2026-07-25 11:28:18

○MXmx.ym.163.com2015-06-10 → 2016-04-05 · 4 obs

● 2015-06-10 23:37:04
● 2016-04-05 23:34:06
○ 2016-11-26 10:49:12
○ 2026-07-25 11:28:18

●MXmxn.mxhichina.com2016-11-26 → 2026-07-25 · 3 obs

○ 2016-04-05 23:34:06
● 2016-11-26 10:49:12
● 2026-07-25 11:28:18

●MXmxw.mxhichina.com2026-05-25 → 2026-07-25 · 3 obs

○ 2016-11-26 10:49:12
● 2026-05-25 00:49:56
● 2026-07-25 11:28:18

○A113.10.223.1432015-06-10 → 2015-06-10 · 3 obs

● 2015-06-10 23:37:04
○ 2015-10-24 07:56:12
○ 2026-07-25 11:28:18

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:1.12.0.4

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bjkcst.com (unsigned zone)

⏱️ Timing

Total: 2601ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns20.xincache.com, ns19.xincache.com`
MX	2	`mxn.mxhichina.com (pri: 5), mxw.mxhichina.com (pri: 10)`
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

Name Servers

bjkcst.com has three name servers — ns11.xincache.com, ns19.xincache.com and ns20.xincache.com.

Host names with 8 IP numbers:

ns11.xincache.com points to 1.12.0.4, 36.155.149.180, 112.80.181.45 and 5 other IP addresses.

Mail Servers

bjkcst.com has two mail servers: mxn.mxhichina.com and mxw.mxhichina.com.

bjkcst.com - robtex.com

bjkcst.com

com