`sedt.cn`

DNSSEC	⚠️ Not signed
A	103.21.141.130^{🇨🇳 SHANGHAITELECOM103.21.140.0/23 Chinanet Shanghai}
NS	`dns.bizcn.com` ⭐
NS	`ns1.dns.com.cn`
		A	240c:4082:ffff:ff01:0:d:0:34a^{🇨🇳 Baidu240c:4082::/32}
		A	61.172.183.70^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
		A	61.240.129.114^{🇨🇳 CHINA169-Backbone61.240.128.0/19 CMI (Customer Route)}
NS	`ns2.dns.com.cn`
		A	240c:4082:ffff:ff01:0:d:0:69^{🇨🇳 Baidu240c:4082::/32}
		A	61.172.183.76^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
		A	61.240.129.147^{🇨🇳 CHINA169-Backbone61.240.128.0/19 CMI (Customer Route)}
MX	`zjmx5.chinaemail.cn` ⭐
		A	43.128.31.66^{🇭🇰 TENCENT-NET-AP-CN43.128.0.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	43.129.30.92^{🇭🇰 TENCENT-NET-AP-CN43.129.24.0/21}
		A	43.135.96.239^{🇭🇰 TENCENT-NET-AP-CN43.135.64.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	159.138.140.216^{🇭🇰 HWCSNET159.138.128.0/20 HUAWEI INTERNATIONAL PTE. LTD. 15A Changi Business Park Central 1 Eightrium 03-03/04}
			PTR	`brhk04.chinaemail.cn`
MX	`zjmx10.chinaemail.cn`⁽¹⁰⁾
		A	43.128.31.66^{🇭🇰 TENCENT-NET-AP-CN43.128.0.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	43.129.30.92^{🇭🇰 TENCENT-NET-AP-CN43.129.24.0/21}
		A	43.135.96.239^{🇭🇰 TENCENT-NET-AP-CN43.135.64.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	159.138.140.216^{🇭🇰 HWCSNET159.138.128.0/20 HUAWEI INTERNATIONAL PTE. LTD. 15A Changi Business Park Central 1 Eightrium 03-03/04}
			PTR	`brhk04.chinaemail.cn`
TXT	`v=spf1 include:spf.chinaemail.cn -all`
SOA	`dns.bizcn.com`abuse@bizcn.com serial=17

`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=2035043361

Same first word

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sedt.cn

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stde.de

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DNS History

8 records (6 active, 2 former)

●NSdns.bizcn.com2017-04-05 → 2026-07-15 · 3 obs

○ 2016-09-11 04:22:38
● 2017-04-05 09:11:00
● 2026-07-15 11:47:10

●NSns1.dns.com.cn2015-08-15 → 2026-07-15 · 2 obs

● 2015-08-15 01:48:18
● 2026-07-15 11:47:10

●NSns2.dns.com.cn2015-08-15 → 2026-07-15 · 5 obs

● 2015-08-15 01:48:18
● 2016-09-11 04:22:38
○ 2017-04-05 09:11:00
● 2021-11-01 21:42:56
● 2026-07-15 11:47:10

○MXmx25.dns.com.cn2015-08-15 → 2021-04-25 · 4 obs

● 2015-08-15 01:48:18
● 2021-04-25 17:07:54
○ 2021-10-31 06:40:30
○ 2026-07-15 11:47:10

●MXzjmx10.chinaemail.cn2021-10-31 → 2026-07-15 · 3 obs

○ 2021-04-25 17:07:54
● 2021-10-31 06:40:30
● 2026-07-15 11:47:10

●MXzjmx5.chinaemail.cn2021-10-31 → 2026-07-15 · 3 obs

○ 2021-04-25 17:07:54
● 2021-10-31 06:40:30
● 2026-07-15 11:47:10

●A103.21.141.1302026-06-28 → 2026-07-15 · 3 obs

○ 2021-11-01 21:42:56
● 2026-06-28 13:26:44
● 2026-07-15 11:47:10

○A61.155.209.842015-08-15 → 2021-11-01 · 4 obs

● 2015-08-15 01:48:18
● 2021-11-01 21:42:56
○ 2026-06-28 13:26:44
○ 2026-07-15 11:47:10

🔍 DNS Trace

Analysis

IP Addresses

sedt.cn resolves to one IP address: 103.21.141.130.

hzlanbeng.com, tabaomuju.com, dragontrowel.com and two other host names share IP numbers with sedt.cn.

Name Servers

DNS for sedt.cn is handled by three authoritative name servers: dns.bizcn.com, ns1.dns.com.cn and ns2.dns.com.cn.

sedt.cn partially shares its NS delegation with several other domains, including zjhyxy.com, yunjiaoji.cn, han-shine.com and two others.

In DNS configurations, these name servers often share authority with ns7.cnmsn.net, ns8.cnmsn.net, ns13.dns.com.cn and 4 other name servers.

ns1.dns.com.cn has three IP addresses (61.172.183.70, 61.240.129.114 and 240c:4082:ffff:ff01:0:d:0:34a) and ns2.dns.com.cn has three IP addresses (61.172.183.76, 61.240.129.147 and 240c:4082:ffff:ff01:0:d:0:69).

Mail Servers

Mail for sedt.cn is handled by two mail servers — zjmx10.chinaemail.cn and zjmx5.chinaemail.cn.

sedt.cn uses an identical mail server configuration to several other domains — among them art-un.com, szxsjm.com, a3000.cn and two more.

sedt.cn has at least partial mail server overlap with other domains such as trycool.com, luhee.cn, saintyht.com and two more.

Each of the hosts zjmx10.chinaemail.cn and zjmx5.chinaemail.cn points to four IP numbers: zjmx10.chinaemail.cn directs to 43.128.31.66, 43.129.30.92, 43.135.96.239 and 159.138.140.216 and zjmx5.chinaemail.cn points to 43.128.31.66, 43.129.30.92, 43.135.96.239 and 159.138.140.216.

Host names pointing to 43.128.31.66 IP addresses: zjmx10.chinaemail.cn and zjmx5.chinaemail.cn.

Host names pointing to 43.129.30.92 IP addresses: zjmx10.chinaemail.cn and zjmx5.chinaemail.cn.

Host names pointing to 43.135.96.239 IP addresses: zjmx10.chinaemail.cn and zjmx5.chinaemail.cn.

Host names pointing to 159.138.140.216 IP addresses: zjmx10.chinaemail.cn and zjmx5.chinaemail.cn.

sedt.cn - robtex.com

sedt.cn

cn