`edudn.com`

DNSSEC	⚠️ Not signed
A	111.170.12.98^{🇨🇳 CT-XIANGYANG-IDC2111.170.0.0/20 襄阳IDC}
NS	`dns31.hichina.com` ⭐
		A	2408:4009:501::39^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-39.defastlink.net`
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-59.defastlink.net`
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-199.defastlink.net`
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-219.defastlink.net`
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-39.defastlink.net`
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-59.defastlink.net`
		A	139.224.142.99^{🇨🇳 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,}
			PTR	`ip-139-224-142-99.defastlink.net`
		A	139.224.142.109^{🇨🇳 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,}
			PTR	`ip-139-224-142-109.defastlink.net`
NS	`dns32.hichina.com`
		A	2408:4009:501::40^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-37.defastlink.net`
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-62.defastlink.net`
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-197.defastlink.net`
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-221.defastlink.net`
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-37.defastlink.net`
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-62.defastlink.net`
		A	139.224.142.102^{🇨🇳 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,}
			PTR	`ip-139-224-142-102.defastlink.net`
		A	139.224.142.107^{🇨🇳 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,}
			PTR	`ip-139-224-142-107.defastlink.net`
SOA	`dns31.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=1771291435

Same first word

edudn.com

Similar names

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duden.org

dunde.com

ndedu.org

dedun.name

duden.co.uk

udden.se

duden.nl

neddu.com

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duden.in

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(0x6e756465)d.net

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dedun.cn

duden.eu

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duden.de

euddn.net

duend.com

DNS History

16 records (3 active, 13 former)

○NSdns1.iidns.com2015-07-07 → 2016-03-25 · 3 obs

● 2015-07-07 06:34:20
● 2016-03-25 05:03:46
○ 2026-03-02 11:21:00

○NSdns2.iidns.com2015-07-07 → 2016-03-25 · 3 obs

● 2015-07-07 06:34:20
● 2016-03-25 05:03:46
○ 2026-03-02 11:21:00

○NSdns3.iidns.com2015-07-07 → 2016-03-25 · 3 obs

● 2015-07-07 06:34:20
● 2016-03-25 05:03:46
○ 2026-03-02 11:21:00

●NSdns31.hichina.com2026-03-02 → 2026-03-02 · 2 obs

○ 2016-03-25 05:03:46
● 2026-03-02 11:21:00

●NSdns32.hichina.com2026-03-02 → 2026-03-02 · 2 obs

○ 2016-03-25 05:03:46
● 2026-03-02 11:21:00

○NSdns4.iidns.com2015-07-07 → 2016-03-25 · 3 obs

● 2015-07-07 06:34:20
● 2016-03-25 05:03:46
○ 2026-03-02 11:21:00

○NSdns5.iidns.com2015-07-07 → 2016-03-25 · 3 obs

● 2015-07-07 06:34:20
● 2016-03-25 05:03:46
○ 2026-03-02 11:21:00

○NSdns6.iidns.com2015-07-07 → 2016-03-25 · 3 obs

● 2015-07-07 06:34:20
● 2016-03-25 05:03:46
○ 2026-03-02 11:21:00

●A111.170.12.982026-03-02 → 2026-03-02 · 2 obs

○ 2017-07-07 23:51:36
● 2026-03-02 11:21:00

○A222.187.223.2192016-03-25 → 2016-03-25 · 3 obs

○ 2015-07-07 06:34:20
● 2016-03-25 05:03:46
○ 2026-03-02 11:21:00

○A27.255.94.882015-07-07 → 2015-07-07 · 3 obs

● 2015-07-07 06:34:20
○ 2017-07-07 23:51:36
○ 2026-03-02 11:21:00

○CNAME223219.chengshu.com2016-03-25 → 2016-03-25 · 4 obs

○ 2015-07-07 06:34:20
● 2016-03-25 05:03:46
○ 2017-07-07 23:51:36
○ 2026-03-02 11:21:00

○CNAMEdiqu124.chengshu.com2016-03-25 → 2016-03-25 · 4 obs

○ 2015-07-07 06:34:20
● 2016-03-25 05:03:46
○ 2017-07-07 23:51:36
○ 2026-03-02 11:21:00

○CNAMEyes124.chengshu.com2016-03-25 → 2016-03-25 · 4 obs

○ 2015-07-07 06:34:20
● 2016-03-25 05:03:46
○ 2017-07-07 23:51:36
○ 2026-03-02 11:21:00

○CNAMEyes124k.chengshu.com2016-03-25 → 2016-03-25 · 4 obs

○ 2015-07-07 06:34:20
● 2016-03-25 05:03:46
○ 2017-07-07 23:51:36
○ 2026-03-02 11:21:00

○CNAMEyes124k.tisu8.com2015-07-07 → 2017-07-07 · 3 obs

● 2015-07-07 06:34:20
● 2017-07-07 23:51:36
○ 2026-03-02 11:21:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
edudn.com	dns31.hichina.com, dns32.hichina.com	18 records

✅ Authoritative Response

Server: 120.76.107.39

NS records: dns31.hichina.com, dns32.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for edudn.com (unsigned zone)

⏱️ Timing

Total: 3511ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`111.170.12.98`
NS	2	`dns32.hichina.com, dns31.hichina.com`
SOA	1	`dns31.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns31.hichina.com, dns31.hichina.com, dns31.hichina.com...)

Analysis

IP Addresses

edudn.com points to a single IP address: 111.170.12.98.

Name Servers

Two name servers dns31.hichina.com and dns32.hichina.com handle the delegation for edudn.com.

edudn.com shares the same name server setup as other domains, for example qdwhg.com, jzmjx.com, csvfx.com.cn, cczhw.com and jcds88.com.

edudn.com at least partially shares name servers with other domains, for example gbfh.com, naiosen.com and hbcbly.com.

Host names with nine IP numbers: dns31.hichina.com points to: 2408:4009:501::39, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109; dns32.hichina.com points to: 2408:4009:501::40, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.

edudn.com - robtex.com

edudn.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`edudn.com`

`com`