`upei51.com`

DNSSEC	⚠️ Not signed
A	121.40.60.60^{🇨🇳 Alibaba-Cloud121.40.0.0/15}
NS	`ns17.xincache.com` ⭐ ⚠️ Not in parent delegation
		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}
			PTR	`ip-1-12-0-4.defastlink.net`
		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	`ns11.xincache.com` ⚠️ Not in zone NS records
		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}
			PTR	`ip-1-12-0-4.defastlink.net`
		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` ⚠️ Not in zone NS records
		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}
NS	`ns18.xincache.com` ⚠️ Not in parent delegation
		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` ⭐
		A	111.124.200.35^{🇨🇳 CHINANET-Guizhou-Guian-IDC111.124.192.0/19}
TXT	`v=spf1 include:spf.163.com~all`
SOA	`ns17.xincache.com`enterprise1dnsadmin@dnspod.com serial=1586493832

`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=1778727196

Same first word

upei51.com

DNS History

10 records (6 active, 4 former)

○NSns1.alidns.com2016-05-01 → 2017-01-02 · 5 obs

○ 2016-02-04 20:55:02
● 2016-05-01 16:34:18
● 2017-01-02 08:33:30
○ 2019-01-17 14:14:44
○ 2026-05-14 03:06:14

●NSns11.xincache.com2015-06-19 → 2026-05-14 · 5 obs

● 2015-06-19 14:39:38
○ 2015-11-03 03:16:48
○ 2021-06-07 01:53:56
● 2026-03-09 12:30:22
● 2026-05-14 03:06:14

●NSns12.xincache.com2015-06-19 → 2026-05-14 · 5 obs

● 2015-06-19 14:39:38
○ 2015-11-03 03:16:48
○ 2021-06-07 01:53:56
● 2026-03-09 12:30:22
● 2026-05-14 03:06:14

●NSns17.xincache.com2015-11-03 → 2026-05-14 · 7 obs

○ 2015-06-19 14:39:38
● 2015-11-03 03:16:48
● 2016-02-04 20:55:02
○ 2016-05-01 16:34:18
○ 2019-01-17 14:14:44
● 2021-06-07 01:53:56
● 2026-05-14 03:06:14

●NSns18.xincache.com2015-11-03 → 2026-05-14 · 7 obs

○ 2015-06-19 14:39:38
● 2015-11-03 03:16:48
● 2016-02-04 20:55:02
○ 2016-05-01 16:34:18
○ 2019-01-17 14:14:44
● 2021-06-07 01:53:56
● 2026-05-14 03:06:14

○NSns2.alidns.com2016-05-01 → 2017-01-02 · 5 obs

○ 2016-02-04 20:55:02
● 2016-05-01 16:34:18
● 2017-01-02 08:33:30
○ 2019-01-17 14:14:44
○ 2026-05-14 03:06:14

○NSvip1.alidns.com2019-01-17 → 2019-01-17 · 4 obs

○ 2017-01-02 08:33:30
● 2019-01-17 14:14:44
○ 2021-06-07 01:53:56
○ 2026-05-14 03:06:14

○NSvip2.alidns.com2019-01-17 → 2019-01-17 · 4 obs

○ 2017-01-02 08:33:30
● 2019-01-17 14:14:44
○ 2021-06-07 01:53:56
○ 2026-05-14 03:06:14

●MXmx.ym.163.com2015-06-19 → 2026-05-14 · 2 obs

● 2015-06-19 14:39:38
● 2026-05-14 03:06:14

●A121.40.60.602015-06-19 → 2026-05-14 · 2 obs

● 2015-06-19 14:39:38
● 2026-05-14 03:06:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
upei51.com	ns11.xincache.com, ns12.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.4

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for upei51.com (unsigned zone)

⏱️ Timing

Total: 194ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.40.60.60`
NS	2	`ns17.xincache.com, ns18.xincache.com`
MX	1	`mx.ym.163.com (pri: 10)`
TXT	1	`v=spf1 include:spf.163.com~all`
SOA	1	`ns17.xincache.com enterprise1dnsadmin.dn`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns11.xincache.com, ns11.xincache.com, ns11.xincache.com...)

Analysis

IP Addresses

upei51.com resolves to a single IP address: 121.40.60.60.

Name Servers

upei51.com is delegated to four name servers: ns11.xincache.com, ns12.xincache.com, ns17.xincache.com and ns18.xincache.com.

upei51.com at least partially shares name servers with other domains, including jldpf.org.cn, longjigroup.cn, corner-s.com, sjwycn.com and xcgyjt.com.

These name servers are often used together with ns13.xincache.com, ns14.xincache.com, ns19.xincache.com, ns20.xincache.com, ce1.xincache.com, ce2.xincache.com, f1g1ns1.dnspod.net, ns15.xincache.com and ns16.xincache.com.

Host names with eight IP numbers:

ns11.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.

ns17.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:

ns12.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.

ns18.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.

Host names that point to 2402:4e00:1470:2::e: ns11.xincache.com and ns17.xincache.com.

Host names that point to 2402:4e00:1730::e: ns11.xincache.com and ns17.xincache.com.

Host names that point to 1.12.0.4: ns11.xincache.com and ns17.xincache.com.

Host names that point to 36.155.149.180: ns11.xincache.com and ns17.xincache.com.

Host names that point to 112.80.181.45: ns11.xincache.com and ns17.xincache.com.

Host names that point to 117.89.178.173: ns11.xincache.com and ns17.xincache.com.

Host names that point to 125.94.59.210: ns11.xincache.com and ns17.xincache.com.

Host names that point to 129.211.176.209: ns11.xincache.com and ns17.xincache.com.

Host names that point to 2402:4e00:111:fff::c: ns12.xincache.com and ns18.xincache.com.

Host names that point to 1.12.0.1: ns12.xincache.com and ns18.xincache.com.

Host names that point to 36.155.149.176: ns12.xincache.com and ns18.xincache.com.

Host names that point to 112.80.181.111: ns12.xincache.com and ns18.xincache.com.

Host names that point to 117.89.178.184: ns12.xincache.com and ns18.xincache.com.

Host names that point to 129.211.176.239: ns12.xincache.com and ns18.xincache.com.

Host names that point to 163.177.5.23: ns12.xincache.com and ns18.xincache.com.

Mail Servers

upei51.com is handled by a single mail server, mx.ym.163.com.

upei51.com shares its mail server setup with other domains, including sjgtw.net, jiachuangroup.com, jarrays.com, vgao.net and lbsun.com.

The mail servers for upei51.com are shared with other domains, for instance skztester.com, xcdeco.com, creditgogogo.com, fmtcs-sh.com and kyzone.cn.

These mail servers are often used together with mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.

mx.ym.163.com points to a single IP: 111.124.200.35.

upei51.com - robtex.com

upei51.com

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