educn.com - dns.ninja

`educn.com`

DNSSEC	⚠️ Not signed
A	223.6.251.167^{🇨🇳 Alibaba-Cloud223.6.128.0/17}
NS	`dns1.hichina.com` ⭐
		A	2408:4009:501::9^{🇨🇳 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	`dns2.hichina.com`
		A	2408:4009:501::10^{🇨🇳 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	`hzmx01.mxmail.netease.com` ⭐
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
MX	`hzmx02.mxmail.netease.com`⁽¹⁰⁾
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
TXT	`v=spf1 include:spf.163.com -all`
SOA	`dns1.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=1785813697

Same first word

educn.online

educn.co

educn.info

educn.com.cn

educn.space

educn.tech

educn.com

educn.xyz

Similar names

neduc.com

cuden.co.uk

cenud.com

nuced.co.za

cnedu.com

ducen.com

cunde.de

endcu.com

ncedu.gov.cn

eucdn.nl

dunec.com

cuden.com

cndue.com

unced.org

cnedu.cc

enduc.org.ar

eundc.de

denuc.de

(0x6e756465)c.es

unced.net

dunce.com

cdnue.com

(0x6e756465)c.de

dceun.icu

nuedc.net

cendu.com

cnedu.pt

nuedc.com.cn

eucdn.com

ncedu.gov.za

ncedu.net.cn

cedun.com

denuc.com

cnued.com

eudcn.com

cudne.com

cendu.cn

nduce.com

eundc.com

dunce.net

unecd.com

necdu.com

(0x6e756465)c.info

cdneu.net

cuden.net

(0x6e756465)c.cat

c(0x6e756465).com

ncedu.cn

ncedu.com

cnued.cn

uendc.com

dunce.de

cnedu.cn

cnedu.net

ncdeu.com

cunde.at

ncdue.com

cnued.net

edcun.com

(0x6e756465)c.com

dencu.com

cendu.fr

uecdn.es

eucdn.net

uecdn.com

undec.ru

undec.edu.ar

cnedu.com.cn

edcun.org

dunce.org

edunc.com

cuden.si

edunc.org

cneud.net

cuden.de

decun.cn

dcneu.ro

unced.com

(0x6e756465)c.fr

DNS History

15 records (5 active, 10 former)

●NSdns1.hichina.com2007-11-08 → 2026-08-04 · 5 obs

● 2007-11-08 02:55:44
○ 2015-07-24 09:16:50
○ 2017-03-13 18:27:46
● 2026-02-18 09:58:06
● 2026-08-04 03:36:14

○NSdns10.hichina.com2016-06-23 → 2017-03-13 · 5 obs

○ 2016-02-12 07:59:36
● 2016-06-23 12:12:40
● 2017-03-13 18:27:46
○ 2026-02-18 09:58:06
○ 2026-08-04 03:36:14

●NSdns2.hichina.com2007-11-08 → 2026-08-04 · 5 obs

● 2007-11-08 02:55:44
○ 2015-07-24 09:16:50
○ 2017-03-13 18:27:46
● 2026-02-18 09:58:06
● 2026-08-04 03:36:14

○NSdns9.hichina.com2016-06-23 → 2017-03-13 · 5 obs

○ 2016-02-12 07:59:36
● 2016-06-23 12:12:40
● 2017-03-13 18:27:46
○ 2026-02-18 09:58:06
○ 2026-08-04 03:36:14

○NSns41.domaincontrol.com2015-07-24 → 2016-02-12 · 5 obs

○ 2007-11-08 02:55:44
● 2015-07-24 09:16:50
● 2016-02-12 07:59:36
○ 2016-06-23 12:12:40
○ 2026-08-04 03:36:14

○NSns42.domaincontrol.com2015-07-24 → 2016-02-12 · 5 obs

○ 2007-11-08 02:55:44
● 2015-07-24 09:16:50
● 2016-02-12 07:59:36
○ 2016-06-23 12:12:40
○ 2026-08-04 03:36:14

●MXhzmx01.mxmail.netease.com2026-02-18 → 2026-08-04 · 3 obs

○ 2016-06-23 12:12:40
● 2026-02-18 09:58:06
● 2026-08-04 03:36:14

●MXhzmx02.mxmail.netease.com2026-02-18 → 2026-08-04 · 3 obs

○ 2016-06-23 12:12:40
● 2026-02-18 09:58:06
● 2026-08-04 03:36:14

○MXmail.educn.com2007-11-08 → 2007-11-08 · 3 obs

● 2007-11-08 02:55:44
○ 2015-07-24 09:16:50
○ 2026-08-04 03:36:14

○MXmxn.mxhichina.com2015-07-24 → 2016-02-12 · 5 obs

○ 2007-11-08 02:55:44
● 2015-07-24 09:16:50
● 2016-02-12 07:59:36
○ 2016-06-23 12:12:40
○ 2026-08-04 03:36:14

○MXmxw.mxhichina.com2015-07-24 → 2016-02-12 · 5 obs

○ 2007-11-08 02:55:44
● 2015-07-24 09:16:50
● 2016-02-12 07:59:36
○ 2016-06-23 12:12:40
○ 2026-08-04 03:36:14

○A115.29.248.1032015-07-24 → 2016-02-12 · 5 obs

○ 2007-11-08 02:55:44
● 2015-07-24 09:16:50
● 2016-02-12 07:59:36
○ 2016-06-23 12:12:40
○ 2026-08-04 03:36:14

○A121.41.80.1632016-06-23 → 2017-03-13 · 5 obs

○ 2016-02-12 07:59:36
● 2016-06-23 12:12:40
● 2017-03-13 18:27:46
○ 2026-02-18 09:58:06
○ 2026-08-04 03:36:14

●A223.6.251.1672026-02-18 → 2026-08-04 · 3 obs

○ 2017-03-13 18:27:46
● 2026-02-18 09:58:06
● 2026-08-04 03:36:14

○A61.50.138.2142007-11-08 → 2007-11-08 · 3 obs

● 2007-11-08 02:55:44
○ 2015-07-24 09:16:50
○ 2026-08-04 03:36:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net...	-
educn.com	dns2.hichina.com, dns1.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.43

NS records: dns2.hichina.com, dns1.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for educn.com (unsigned zone)

⏱️ Timing

Total: 581ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`223.6.251.167`
NS	2	`dns2.hichina.com, dns1.hichina.com`
MX	2	`hzmx01.mxmail.netease.com (pri: 5), hzmx02.mxmail.netease.com (pri: 10)`
TXT	1	`v=spf1 include:spf.163.com -all`
SOA	1	`dns1.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns2.hichina.com, dns2.hichina.com, dns2.hichina.com...)

Analysis

IP Addresses

educn.com resolves to one IP address: 223.6.251.167.

Name Servers

educn.com has two authoritative name servers — dns1.hichina.com and dns2.hichina.com.

educn.com uses the same name servers as several other domains — among them swap.cn, jxjdcjc.com, cts-yn.com and two more.

educn.com has at least partial name server overlap with other domains, such as xingyuewh.com, anhua56.com, nujiangfy.gov.cn and two others.

It is common to find these name servers paired with the name servers expirens3.hichina.com, expirens4.hichina.com, dns21.hichina.com and dns22.hichina.com.

Hostnames that resolve to 9 IP addresses:

dns1.hichina.com points to 39.96.153.43, 39.96.153.63, 47.118.199.203 and 6 other IP addresses.

dns2.hichina.com points to 39.96.153.44, 39.96.153.54, 47.118.199.204 and 6 other IP addresses.

Mail Servers

Mail for educn.com is handled by two mail servers — hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.

educn.com uses an identical mail server configuration to several other domains — among them shaibu.com, g-cnc.com, x-change.cn and two more.

The mail servers of educn.com overlap at least partially with those of other domains, including ecorepack.com, allseasongreen.com and yangze.net.

Both hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com point to 47.251.71.119 and 47.251.84.126.

The host names hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com both resolve to 47.251.71.119 IP addresses.

The host names hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com both resolve to 47.251.84.126 IP addresses.