`jcrcu.com`

DNSSEC	⚠️ Not signed
A	117.71.38.166^{🇨🇳 CHINANET-BACKBONE117.64.0.0/13 China Telecom Network}
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	`mx.ym.163.com` ⭐
SOA	`ns19.xincache.com`enterprise1dnsadmin@dnspod.com serial=1608105675

`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=1785394767

Same first word

jcrcu.com

DNS History

7 records (4 active, 3 former)

●NSns19.xincache.com2015-08-02 → 2026-07-30 · 5 obs

● 2015-08-02 22:58:58
● 2017-03-26 15:47:48
○ 2020-02-25 22:50:22
● 2026-03-06 08:35:46
● 2026-07-30 07:09:22

●NSns20.xincache.com2015-08-02 → 2026-07-30 · 5 obs

● 2015-08-02 22:58:58
● 2017-03-26 15:47:48
○ 2020-02-25 22:50:22
● 2026-03-06 08:35:46
● 2026-07-30 07:09:22

○NSns21.xincache.com2020-02-25 → 2020-02-25 · 4 obs

○ 2017-03-26 15:47:48
● 2020-02-25 22:50:22
○ 2026-03-06 08:35:46
○ 2026-07-30 07:09:22

○NSns22.xincache.com2020-02-25 → 2020-02-25 · 4 obs

○ 2017-03-26 15:47:48
● 2020-02-25 22:50:22
○ 2026-03-06 08:35:46
○ 2026-07-30 07:09:22

●MXmx.ym.163.com2020-02-25 → 2026-07-30 · 2 obs

● 2020-02-25 22:50:22
● 2026-07-30 07:09:22

●A117.71.38.1662017-03-26 → 2026-07-30 · 3 obs

○ 2016-07-08 22:37:26
● 2017-03-26 15:47:48
● 2026-07-30 07:09:22

○A61.191.56.1372015-08-02 → 2016-07-08 · 4 obs

● 2015-08-02 22:58:58
● 2016-07-08 22:37:26
○ 2017-03-26 15:47:48
○ 2026-07-30 07:09:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net...	-
jcrcu.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 jcrcu.com (unsigned zone)

⏱️ Timing

Total: 139ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`117.71.38.166`
NS	2	`ns19.xincache.com, ns20.xincache.com`
MX	1	`mx.ym.163.com (pri: 10)`
SOA	1	`ns19.xincache.com enterprise1dnsadmin.dn`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

jcrcu.com resolves to just one IP address, 117.71.38.166.

Name Servers

jcrcu.com has two authoritative name servers — ns19.xincache.com and ns20.xincache.com.

jcrcu.com shares its NS records with other domains, for example aoolong.cn, qzstar.com, lfnrtv.com and two others.

There is at least partial name server overlap between jcrcu.com and other domains — xzcl.gov.cn, csxinxu.com, changfengcn.com and two more among them.

These name servers frequently co-occur with the name servers ns11.xincache.com and ns12.xincache.com.

DNS names with 8 IP addresses:

ns19.xincache.com points to 1.12.0.4, 36.155.149.180, 112.80.181.45 and 5 other IP addresses.

DNS names with 7 IP addresses:

ns20.xincache.com points to 1.12.0.1, 36.155.149.176, 112.80.181.111 and 4 other IP addresses.

Mail Servers

The sole mail server for jcrcu.com is mx.ym.163.com.

Among the domains sharing a mail server setup with jcrcu.com are ecpex.com.cn, youkaoshi.cn, zbsws.cn and two others.

There is at least a partial MX overlap between jcrcu.com and other domains, including cnloadbank.com, fenmiaocloud.com, eionc.com and two others.

These mail servers are routinely seen in conjunction with the mail servers qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com.

jcrcu.com - robtex.com

jcrcu.com

com