`edumails.cn`

DNSSEC	⚠️ Not signed
A	159.75.123.9^{TENCENT-NET-AP159.75.64.0/18}
NS	`ns1.alidns.com` ⭐
NS	`dns21.hichina.com`
		A	2408:4009:501::29^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.100^{🇨🇳 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	139.224.142.110^{🇨🇳 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	`dns22.hichina.com`
		A	2408:4009:501::30^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.98^{🇨🇳 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	139.224.142.108^{🇨🇳 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,}
SOA	`ns1.alidns.com`hostmaster@hichina.com 2026-01-12 #9

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2035151896

Subdomains

nav.edumails.cn

_.edumails.cn

www.edumails.cn

_snmp.edumails.cn

Same first word

edumails.com

edumails.cn

Similar names

DNS History

5 records (4 active, 1 former)

●NSdns21.hichina.com2026-06-26 → 2026-08-07 · 2 obs

● 2026-06-26 00:28:34
● 2026-08-07 09:41:38

●NSdns22.hichina.com2026-06-26 → 2026-08-07 · 2 obs

● 2026-06-26 00:28:34
● 2026-08-07 09:41:38

●NSns1.alidns.com2026-07-17 → 2026-08-07 · 3 obs

○ 2026-06-26 00:28:34
● 2026-07-17 04:23:30
● 2026-08-07 09:41:38

●A159.75.123.92026-08-07 → 2026-08-07 · 1 obs

● 2026-08-07 09:41:38

○CNAMEedumails.cn.w.kunlunaq.com2026-06-26 → 2026-07-17 · 4 obs

● 2026-06-26 00:28:34
○ 2026-07-15 11:14:00
● 2026-07-17 04:23:30
○ 2026-08-07 09:41:38

🔍 DNS Trace

Analysis

Hierarchy

edumails.cn has four subdomains: nav.edumails.cn, _.edumails.cn, www.edumails.cn and _snmp.edumails.cn.

IP Addresses

edumails.cn directs to one IP number, which is 159.75.123.9.

Name Servers

Three name servers are authoritative for edumails.cn: ns1.alidns.com, dns21.hichina.com and dns22.hichina.com.

Host names resolving to 9 IP numbers:

dns21.hichina.com carries IP addresses 39.96.153.40, 39.96.153.60 and 47.118.199.200, with 6 other addresses beyond those.

dns22.hichina.com carries IP addresses 39.96.153.38, 39.96.153.61 and 47.118.199.198, with 6 other addresses beyond those.

edumails.cn - robtex.com

edumails.cn

cn