`sdxsedu.com`

DNSSEC	⚠️ Not signed
A	116.255.235.90^{🇨🇳 CHINA169-Backbone116.255.128.0/17 CNC Group CHINA169 Henan Province Network Addresses from CNNIC(GIANT)}
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}
			PTR	`ip-1-12-0-4.defastlink.net`
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
			PTR	`ip-36-155-149-180.defastlink.net`
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
			PTR	`ip-112-80-181-45.defastlink.net`
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
			PTR	`ip-117-89-178-173.defastlink.net`
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
			PTR	`ip-125-94-59-210.defastlink.net`
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
			PTR	`ip-129-211-176-209.defastlink.net`
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}
			PTR	`ip-1-12-0-1.defastlink.net`
		A	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
			PTR	`ip-36-155-149-176.defastlink.net`
		A	112.80.181.111^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
			PTR	`ip-112-80-181-111.defastlink.net`
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
			PTR	`ip-117-89-178-184.defastlink.net`
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
			PTR	`ip-129-211-176-239.defastlink.net`
		A	163.177.5.23^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
			PTR	`ip-163-177-5-23.defastlink.net`
SOA	`ns11.xincache.com`enterprise1dnsadmin@dnspod.com serial=1576568465

`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=1771291435

Same first word

sdxsedu.com

DNS History

3 records (3 active, 0 former)

●NSns11.xincache.com2017-09-28 → 2026-03-23 · 2 obs

● 2017-09-28 03:30:42
● 2026-03-23 16:53:38

●NSns12.xincache.com2017-09-28 → 2026-03-23 · 2 obs

● 2017-09-28 03:30:42
● 2026-03-23 16:53:38

●A116.255.235.902026-02-27 → 2026-03-23 · 2 obs

● 2026-02-27 22:20:34
● 2026-03-23 16:53:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net...	-
sdxsedu.com	ns11.xincache.com, ns12.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdxsedu.com (unsigned zone)

⏱️ Timing

Total: 99ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`116.255.235.90`
NS	2	`ns12.xincache.com, ns11.xincache.com`
SOA	1	`ns11.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

sdxsedu.com resolves to one IP number: 116.255.235.90.

other host names including wlhycl.com, zgdswj.com, dingfachem.com, yancailed.com and bjgrc.com share IP numbers with sdxsedu.com.

Name Servers

sdxsedu.com is delegated to two name servers ns11.xincache.com and ns12.xincache.com.

sdxsedu.com shares the same name server setup as other domains, for instance jyxc.com, wlyy.cn, newsun-group.com, ykrhsy.com and 1ts.cn.

sdxsedu.com at least partially shares name servers with other domains, for instance 2196.net, sdgsjzwdq.com, chinaopera.com.cn, cqjjzx.com and fanshentouyaoji.com.

Name servers commonly used together include ns19.xincache.com, ns20.xincache.com, ns13.xincache.com, ns14.xincache.com, ce1.xincache.com, ce2.xincache.com, f1g1ns1.dnspod.net, ns17.xincache.com and ns18.xincache.com.

Eight IP numbers for a host:

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.

Seven IP numbers for a host:

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.

sdxsedu.com - robtex.com

sdxsedu.com

com