`yumsys.net`

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	`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}
		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	`mxc.global-mail.cn` ⭐
		A	101.36.121.182^{🇭🇰 UCLOUD-1101.36.121.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL,}
MX	`mxu.global-mail.cn`⁽⁵⁰⁾
		A	117.50.223.79^{🇨🇳 CHINA169-BJ117.50.192.0/19 China Telecom Beijing Co. Ltd.}
TXT	`v=spf1 include:spfv.global-mail.cn -all`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1772296278

`net`

	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=1785083337

Same first word

yumsys.net

yumsys.cn

yumsys.com

DNS History

4 records (4 active, 0 former)

●NSns11.xincache.com2026-06-02 → 2026-07-26 · 2 obs

● 2026-06-02 02:30:56
● 2026-07-26 16:38:06

●NSns12.xincache.com2026-06-02 → 2026-07-26 · 2 obs

● 2026-06-02 02:30:56
● 2026-07-26 16:38:06

●MXmxc.global-mail.cn2026-06-02 → 2026-07-26 · 4 obs

● 2026-06-02 02:30:56
○ 2026-06-24 08:56:02
● 2026-07-17 00:22:34
● 2026-07-26 16:38:06

●MXmxu.global-mail.cn2026-06-02 → 2026-07-26 · 4 obs

● 2026-06-02 02:30:56
○ 2026-06-24 08:56:02
● 2026-07-17 00:22:34
● 2026-07-26 16:38:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	g.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net...	-
yumsys.net	ns11.xincache.com, ns12.xincache.com	-

✅ Authoritative Response

Server:112.80.181.111

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yumsys.net (unsigned zone)

⏱️ Timing

Total: 938ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns11.xincache.com, ns12.xincache.com`
MX	2	`mxc.global-mail.cn (pri: 5), mxu.global-mail.cn (pri: 50)`
TXT	1	`v=spf1 include:spfv.global-mail.cn -all`
SOA	1	`ns11.xincache.com ns12.xincache.com`

Analysis

Name Servers

Two name servers handle the delegation for yumsys.net: ns11.xincache.com and ns12.xincache.com.

yumsys.net shares its NS records with other domains, for example hncsmd.com, yanshawy.com, lycxjzcl.cn and two others.

There is at least partial name server overlap between yumsys.net and other domains — jmmsn.com, ebmrecord.com, kerunle.com and two more among them.

These name servers regularly appear alongside ns13.xincache.com, ns14.xincache.com, ce1.xincache.com and 7 other name servers in NS record sets.

DNS names with 8 IP addresses:

ns11.xincache.com resolves to 1.12.0.4, 36.155.149.180 and 112.80.181.45 among others, with 5 other IP addresses in total.

DNS names with 7 IP addresses:

ns12.xincache.com resolves to 1.12.0.1, 36.155.149.176 and 112.80.181.111 among others, with 4 other IP addresses in total.

Mail Servers

yumsys.net is served by two mail servers, mxc.global-mail.cn and mxu.global-mail.cn.

Among the domains sharing a mail server setup with yumsys.net are spksonic.com, king-drilling.com, hfmail.com and two others.

yumsys.net uses mail servers that are also used by other domains, including chiuko.com, cd-rail.cn and bright-moon.com.

mxc.global-mail.cn → 101.36.121.182 and mxu.global-mail.cn → 117.50.223.79: one IP number per host name.

yumsys.net - robtex.com

yumsys.net

net