`toughedu.com`

DNSSEC	⚠️ Not signed
A	47.96.105.55^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
NS	`dns7.hichina.com` ⭐
		A	2408:4009:501::15^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.63^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.213^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.63^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.113^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.123^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns8.hichina.com`
		A	2408:4009:501::16^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.44^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.54^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.204^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.214^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.44^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.54^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.114^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.124^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
MX	`mx1.em.dingtalk.com` ⭐
MX	`mx2.em.dingtalk.com`⁽¹⁰⁾
MX	`mx3.em.dingtalk.com`⁽¹⁵⁾
TXT	`v=spf1 include:spf.em.dingtalk.com -all`
SOA	`dns7.hichina.com`hostmaster@hichina.com 2026-01-09 #13

`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=1777482431

Same first word

toughedu.com

DNS History

14 records (6 active, 8 former)

○NSdns.bizcn.com2016-12-23 → 2016-12-23 · 4 obs

○ 2015-05-20 20:21:46
● 2016-12-23 18:09:34
○ 2026-04-23 11:44:28
○ 2026-04-29 17:23:10

●NSdns7.hichina.com2026-04-23 → 2026-04-29 · 3 obs

○ 2016-12-23 18:09:34
● 2026-04-23 11:44:28
● 2026-04-29 17:23:10

●NSdns8.hichina.com2026-04-23 → 2026-04-29 · 3 obs

○ 2016-12-23 18:09:34
● 2026-04-23 11:44:28
● 2026-04-29 17:23:10

○NSns1.dns.com.cn2015-05-20 → 2016-12-23 · 4 obs

● 2015-05-20 20:21:46
● 2016-12-23 18:09:34
○ 2026-04-23 11:44:28
○ 2026-04-29 17:23:10

○NSns2.dns.com.cn2015-05-20 → 2016-12-23 · 4 obs

● 2015-05-20 20:21:46
● 2016-12-23 18:09:34
○ 2026-04-23 11:44:28
○ 2026-04-29 17:23:10

●MXmx1.em.dingtalk.com2026-04-23 → 2026-04-29 · 3 obs

○ 2016-12-23 18:09:34
● 2026-04-23 11:44:28
● 2026-04-29 17:23:10

●MXmx2.em.dingtalk.com2026-04-23 → 2026-04-29 · 3 obs

○ 2016-12-23 18:09:34
● 2026-04-23 11:44:28
● 2026-04-29 17:23:10

●MXmx3.em.dingtalk.com2026-04-23 → 2026-04-29 · 3 obs

○ 2016-12-23 18:09:34
● 2026-04-23 11:44:28
● 2026-04-29 17:23:10

○MXmxbiz1.qq.com2015-11-09 → 2016-12-23 · 4 obs

● 2015-11-09 09:51:56
● 2016-12-23 18:09:34
○ 2026-04-23 11:44:28
○ 2026-04-29 17:23:10

○MXmxbiz2.qq.com2015-11-09 → 2016-12-23 · 4 obs

● 2015-11-09 09:51:56
● 2016-12-23 18:09:34
○ 2026-04-23 11:44:28
○ 2026-04-29 17:23:10

○A120.55.68.2062016-12-23 → 2016-12-23 · 4 obs

○ 2016-01-26 10:50:40
● 2016-12-23 18:09:34
○ 2026-04-23 11:44:28
○ 2026-04-29 17:23:10

○A202.91.244.832015-05-20 → 2016-01-26 · 4 obs

● 2015-05-20 20:21:46
● 2016-01-26 10:50:40
○ 2016-12-23 18:09:34
○ 2026-04-29 17:23:10

○A202.91.245.1512015-05-20 → 2015-05-20 · 3 obs

● 2015-05-20 20:21:46
○ 2016-01-26 10:50:40
○ 2026-04-29 17:23:10

●A47.96.105.552026-04-23 → 2026-04-29 · 3 obs

○ 2016-12-23 18:09:34
● 2026-04-23 11:44:28
● 2026-04-29 17:23:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
toughedu.com	dns7.hichina.com, dns8.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.43

NS records: dns7.hichina.com, dns8.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for toughedu.com (unsigned zone)

⏱️ Timing

Total: 578ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.96.105.55`
NS	2	`dns8.hichina.com, dns7.hichina.com`
MX	3	`mx1.em.dingtalk.com (pri: 5), mx2.em.dingtalk.com (pri: 10)...`
TXT	1	`v=spf1 include:spf.em.dingtalk.com -all`
SOA	1	`dns7.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns7.hichina.com, dns7.hichina.com, dns7.hichina.com...)

Analysis

IP Addresses

toughedu.com points to a single IP: 47.96.105.55.

Name Servers

Two name servers dns7.hichina.com and dns8.hichina.com handle delegation for toughedu.com.

toughedu.com uses the same name server setup as other domains, for example tatdata.com, yizhinice.com, laorentou.com.cn, micror.net and hh-haixin.com.

toughedu.com partially shares name servers with other domains; examples include aeca.cn, 0710play.com, linz.cn, kosecosmeport.com.cn and ixueneng.com.

These name servers commonly accompany ns1.alidns.com, ns2.alidns.com, expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers:

dns7.hichina.com points to: 2408:4009:501::15, 39.96.153.43, 39.96.153.63, 47.118.199.203, 47.118.199.213, 120.76.107.43, 120.76.107.63, 139.224.142.113 and 139.224.142.123.

dns8.hichina.com points to: 2408:4009:501::16, 39.96.153.44, 39.96.153.54, 47.118.199.204, 47.118.199.214, 120.76.107.44, 120.76.107.54, 139.224.142.114 and 139.224.142.124.

Mail Servers

toughedu.com is handled by three mail servers: mx1.em.dingtalk.com, mx2.em.dingtalk.com and mx3.em.dingtalk.com.

toughedu.com shares some mail servers with other domains, at least partially, such as veasure.com, youjiayun.com, idaohe.com, nbseas.com and hudunsoft.com.

these mail servers are commonly used with the mail servers mx1.qiye.aliyun.com, mxbiz1.qq.com, mxbiz2.qq.com, mx2.qiye.aliyun.com, mx3.qiye.aliyun.com, mxn.mxhichina.com and mxw.mxhichina.com.

toughedu.com - robtex.com

toughedu.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`toughedu.com`

`com`