duling.cn - dns.ninja

`duling.cn`

DNSSEC	⚠️ Not signed
A	121.42.108.4^{🇨🇳 Alibaba-Cloud121.42.64.0/18}
NS	`ns15.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	`ns16.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	`mx2.c2.icoremail.net` ⭐
MX	`mx.c2.icoremail.net`⁽¹⁰⁾
		A	89.168.78.125^{🇩🇪 ORACLE-OCI-3189889.168.64.0/18 Oracle Corporation}
			PTR	`org-mxproxy.icoremail.net`
		A	89.168.97.82^{🇩🇪 ORACLE-OCI-3189889.168.64.0/18 Oracle Corporation}
		A	165.154.163.126^{🇺🇸 UCLOUD-1165.154.163.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL,}
SOA	`ns15.xincache.com`enterprise1dnsadmin@dnspod.com serial=1577165695

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034920862

Same first word

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DNS History

7 records (5 active, 2 former)

●NSns15.xincache.com2015-07-18 → 2026-06-15 · 2 obs

● 2015-07-18 16:37:24
● 2026-06-15 12:23:24

●NSns16.xincache.com2015-07-18 → 2026-06-15 · 2 obs

● 2015-07-18 16:37:24
● 2026-06-15 12:23:24

○MXmx.c2.corpease.net2015-07-18 → 2017-02-07 · 4 obs

● 2015-07-18 16:37:24
● 2017-02-07 23:53:10
○ 2020-02-16 03:38:22
○ 2026-06-15 12:23:24

●MXmx.c2.icoremail.net2020-02-16 → 2026-06-15 · 3 obs

○ 2017-02-07 23:53:10
● 2020-02-16 03:38:22
● 2026-06-15 12:23:24

○MXmx2.c2.corpease.net2016-02-09 → 2017-02-07 · 5 obs

○ 2015-07-18 16:37:24
● 2016-02-09 13:51:36
● 2017-02-07 23:53:10
○ 2020-02-16 03:38:22
○ 2026-06-15 12:23:24

●MXmx2.c2.icoremail.net2020-02-16 → 2026-06-15 · 3 obs

○ 2017-02-07 23:53:10
● 2020-02-16 03:38:22
● 2026-06-15 12:23:24

●A121.42.108.42015-07-18 → 2026-06-15 · 2 obs

● 2015-07-18 16:37:24
● 2026-06-15 12:23:24

🔍 DNS Trace

Analysis

IP Addresses

duling.cn has exactly one IP address — 121.42.108.4.

Name Servers

The NS records for duling.cn delegate to ns15.xincache.com and ns16.xincache.com.

The name server configuration of duling.cn is shared with other domains, for instance toy18.com, parkoo.net, sxsjzl.com and two others.

The name servers of duling.cn overlap at least partially with those of other domains — among them longi.com.cn, cqlongchiqc.com, anhuaabrasives.cn and two more.

These name servers commonly appear in combination with the name servers ns11.xincache.com.

Hosts with 8 IP addresses each:

ns15.xincache.com maps to 1.12.0.4, 36.155.149.180, 112.80.181.45 and 5 additional IP addresses.

Hosts with 7 IP addresses each:

ns16.xincache.com maps to 1.12.0.1, 36.155.149.176, 112.80.181.111 and 4 additional IP addresses.

Mail Servers

duling.cn uses two mail servers, mx2.c2.icoremail.net and mx.c2.icoremail.net.

The mail server setup of duling.cn matches that of other domains such as spilsanitary.com, hebeiyogem.com, bjwjy.com and two others.

At least some of the mail servers used by duling.cn are shared with other domains: dmclick.com, sinowellbjs.com, holimay.net and two others among them.

The mail servers mx3.c2.icoremail.net and mx.c2.corpease.net are commonly paired with these mail servers.

Host names carrying three IP numbers:

mx.c2.icoremail.net maps to three IP addresses: 89.168.78.125, 89.168.97.82 and 165.154.163.126.