`edu-edu.com`

DNSSEC	⚠️ Not signed
A	121.41.195.226^{🇨🇳 Alibaba-Cloud121.40.0.0/15}
NS	`ns3.dnsv4.com` ⭐
		A	2402:4e00:1470:2::10^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	1.12.0.24^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.12.0.25^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.13.76.53^{🇨🇳 TENCENT-NET-AP1.13.64.0/18}
		A	36.155.149.53^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	43.134.249.54^{🇸🇬 TENCENT-NET-AP-CN43.134.224.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	124.64.205.153^{🇨🇳 CHINA169-BJ124.64.205.0/24}
		A	125.94.59.153^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
NS	`f1g1ns1.dnspod.net` ⚠️ Not in zone NS records
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/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	1.14.119.35^{🇨🇳 TENCENT-NET-AP1.14.64.0/18}
			PTR	`ip-1-14-119-35.defastlink.net`
		A	111.13.13.35^{🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route)}
			PTR	`ip-111-13-13-35.defastlink.net`
		A	117.135.128.235^{🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)}
			PTR	`(root)`
		A	125.94.59.235^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
			PTR	`ip-125-94-59-235.defastlink.net`
		A	163.177.5.35^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
			PTR	`ip-163-177-5-35.defastlink.net`
NS	`f1g1ns2.dnspod.net` ⚠️ 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}
			PTR	`ip-1-12-0-1.defastlink.net`
		A	1.13.76.35^{🇨🇳 TENCENT-NET-AP1.13.64.0/18}
			PTR	`ip-1-13-76-35.defastlink.net`
		A	36.155.149.35^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
			PTR	`ip-36-155-149-35.defastlink.net`
		A	101.227.168.35^{🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC}
			PTR	`ip-101-227-168-35.defastlink.net`
		A	106.39.207.235^{🇨🇳 CHINA-1106.39.192.0/19 China Telecom Beijing Co. Ltd.}
			PTR	`ip-106-39-207-235.defastlink.net`
		A	111.206.98.235^{🇨🇳 CHINA169-BJ111.206.98.0/24}
			PTR	`ip-111-206-98-235.defastlink.net`
		A	220.196.136.35^{🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24}
			PTR	`ip-220-196-136-35.defastlink.net`
NS	`ns4.dnsv4.com`
		A	2402:4e00:111:fff::d^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.23^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.12.0.26^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	43.130.172.54^{🇸🇬 TENCENT-NET-AP-CN43.130.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	49.7.107.153^{🇨🇳 CHINA-149.7.64.0/18 China Telecom Beijing Co. Ltd.}
		A	101.227.168.53^{🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC}
		A	111.13.203.53^{🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route)}
		A	117.135.128.153^{🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)}
			PTR	`(root)`
		A	163.177.5.53^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
		A	220.196.136.53^{🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24}
SOA	`ns3.dnsv4.com`enterprise2dnsadmin@dnspod.com serial=1773309005

`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

Subdomains

www.edu-edu.com

Same first word

edu-edu.com

edu-edu.net

edu-edu.com.cn

DNS History

9 records (5 active, 4 former)

●NSf1g1ns1.dnspod.net2016-09-15 → 2026-03-14 · 3 obs

○ 2016-04-05 05:20:30
● 2016-09-15 20:34:48
● 2026-03-14 06:53:36

●NSf1g1ns2.dnspod.net2016-09-15 → 2026-03-14 · 3 obs

○ 2016-04-05 05:20:30
● 2016-09-15 20:34:48
● 2026-03-14 06:53:36

○NSns11.xincache.com2015-06-09 → 2015-06-09 · 3 obs

● 2015-06-09 05:05:06
○ 2015-10-26 02:43:10
○ 2026-03-14 06:53:36

○NSns19.xincache.com2015-10-26 → 2016-04-05 · 5 obs

○ 2015-06-09 05:05:06
● 2015-10-26 02:43:10
● 2016-04-05 05:20:30
○ 2016-09-15 20:34:48
○ 2026-03-14 06:53:36

○NSns20.xincache.com2015-10-26 → 2016-04-05 · 5 obs

○ 2015-06-09 05:05:06
● 2015-10-26 02:43:10
● 2016-04-05 05:20:30
○ 2016-09-15 20:34:48
○ 2026-03-14 06:53:36

●NSns3.dnsv4.com2026-03-13 → 2026-03-14 · 3 obs

○ 2016-09-15 20:34:48
● 2026-03-13 21:47:18
● 2026-03-14 06:53:36

●NSns4.dnsv4.com2026-03-13 → 2026-03-14 · 3 obs

○ 2016-09-15 20:34:48
● 2026-03-13 21:47:18
● 2026-03-14 06:53:36

○A120.92.42.1172017-07-24 → 2017-07-24 · 3 obs

● 2017-07-24 07:19:52
○ 2026-03-13 21:47:18
○ 2026-03-14 06:53:36

●A121.41.195.2262026-03-13 → 2026-03-14 · 3 obs

○ 2017-07-24 07:19:52
● 2026-03-13 21:47:18
● 2026-03-14 06:53:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
edu-edu.com	f1g1ns1.dnspod.net, f1g1ns2.dnspod.net, ns3.dnsv4.com, ns4.dnsv4.com	18 records

✅ Authoritative Response

Server: 1.12.0.4

NS records: f1g1ns1.dnspod.net, f1g1ns2.dnspod.net, ns3.dnsv4.com, ns4.dnsv4.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for edu-edu.com (unsigned zone)

⏱️ Timing

Total: 3654ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.41.195.226`
NS	2	`ns3.dnsv4.com, ns4.dnsv4.com`
SOA	1	`ns3.dnsv4.com enterprise2dnsadmin.dnspod`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (ns3.dnsv4.com, ns3.dnsv4.com, ns3.dnsv4.com...)

Analysis

Hierarchy

edu-edu.com is a parent of www.edu-edu.com.

IP Addresses

edu-edu.com points to a single IP number: 121.41.195.226.

Other host names such as www.edu-edu.com and www.edu-cj.com share IP numbers with edu-edu.com.

Name Servers

edu-edu.com is delegated to four name servers: ns3.dnsv4.com, ns4.dnsv4.com, f1g1ns1.dnspod.net and f1g1ns2.dnspod.net.

edu-edu.com at least partially shares name servers with other domains, for instance panmeta.com, bltdm.com, yjgx.gov.cn, chinazojy.com and 0tn.net.

These name servers are commonly used with vip3.alidns.com and vip4.alidns.com.

Host names with ten IP numbers

Host name ns4.dnsv4.com points to 2402:4e00:111:fff::d, 1.12.0.23, 1.12.0.26, 43.130.172.54, 49.7.107.153, 101.227.168.53, 111.13.203.53, 117.135.128.153, 163.177.5.53 and 220.196.136.53.

Host names with eight IP numbers

Host name ns3.dnsv4.com points to 2402:4e00:1470:2::10, 1.12.0.24, 1.12.0.25, 1.13.76.53, 36.155.149.53, 43.134.249.54, 124.64.205.153 and 125.94.59.153.

Host name f1g1ns2.dnspod.net points to 2402:4e00:111:fff::c, 1.12.0.1, 1.13.76.35, 36.155.149.35, 101.227.168.35, 106.39.207.235, 111.206.98.235 and 220.196.136.35.

Host names with seven IP numbers

Host name f1g1ns1.dnspod.net points to 2402:4e00:1470:2::e, 1.12.0.4, 1.14.119.35, 111.13.13.35, 117.135.128.235, 125.94.59.235 and 163.177.5.35.

edu-edu.com - robtex.com

edu-edu.com

com