`sems-space.com`

DNSSEC	⚠️ Not signed
A	23.83.235.185^{🇺🇸 IT-123.83.232.0/22 23.83.232.0/22}
		PTR	`23.83.235.185.16clouds.com`
NS	`dns.bizcn.com` ⭐
		A	240c:4082:ffff:ff01:0:d:0:34a^{🇨🇳 Baidu240c:4082::/32}
		A	61.172.183.76^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
		A	61.240.129.114^{🇨🇳 CHINA169-Backbone61.240.128.0/19 CMI (Customer Route)}
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	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
TXT	`v=spf1 include:spf.mail.qq.com ~all`
SOA	`dns.bizcn.com`abuse@bizcn.com serial=11

`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=1774653292

Subdomains

imap.sems-space.com

Same first word

sems-space.com

DNS History

12 records (6 active, 6 former)

●NSdns.bizcn.com2017-06-18 → 2026-03-27 · 3 obs

○ 2008-09-15 00:11:24
● 2017-06-18 20:30:10
● 2026-03-27 23:39:28

●NSns1.dns.com.cn2008-09-15 → 2026-03-27 · 2 obs

● 2008-09-15 00:11:24
● 2026-03-27 23:39:28

●NSns2.dns.com.cn2008-09-15 → 2026-03-27 · 2 obs

● 2008-09-15 00:11:24
● 2026-03-27 23:39:28

○MXmail.sems-space.com2008-09-15 → 2008-09-15 · 3 obs

● 2008-09-15 00:11:24
○ 2015-05-13 10:28:46
○ 2026-03-27 23:39:28

●MXmxbiz1.qq.com2026-03-15 → 2026-03-27 · 3 obs

○ 2017-06-18 20:30:10
● 2026-03-15 20:54:54
● 2026-03-27 23:39:28

●MXmxbiz2.qq.com2026-03-15 → 2026-03-27 · 3 obs

○ 2017-06-18 20:30:10
● 2026-03-15 20:54:54
● 2026-03-27 23:39:28

○MXmxcom.263xmail.com2015-05-13 → 2017-06-18 · 5 obs

○ 2008-09-15 00:11:24
● 2015-05-13 10:28:46
● 2017-06-18 20:30:10
○ 2026-03-15 20:54:54
○ 2026-03-27 23:39:28

○MXmxwcom.263xmail.com2015-05-13 → 2017-06-18 · 5 obs

○ 2008-09-15 00:11:24
● 2015-05-13 10:28:46
● 2017-06-18 20:30:10
○ 2026-03-15 20:54:54
○ 2026-03-27 23:39:28

○A218.85.134.1962015-10-22 → 2016-09-21 · 5 obs

○ 2015-05-13 10:28:46
● 2015-10-22 03:42:26
● 2016-09-21 23:12:40
○ 2017-06-18 20:30:10
○ 2026-03-27 23:39:28

○A218.85.139.122015-05-13 → 2015-05-13 · 4 obs

○ 2008-09-15 00:11:24
● 2015-05-13 10:28:46
○ 2015-10-22 03:42:26
○ 2026-03-27 23:39:28

○A221.123.80.1092008-09-15 → 2008-09-15 · 3 obs

● 2008-09-15 00:11:24
○ 2015-05-13 10:28:46
○ 2026-03-27 23:39:28

●A23.83.235.1852017-06-18 → 2026-03-27 · 3 obs

○ 2016-09-21 23:12:40
● 2017-06-18 20:30:10
● 2026-03-27 23:39:28

🔍 DNS Trace

Analysis

Hierarchy

The parent of imap.sems-space.com is sems-space.com.

IP Addresses

sems-space.com points to a single IP address: 23.83.235.185.

Other host names, for instance 23.83.235.185.16clouds.com, share IP numbers with sems-space.com.

Name Servers

sems-space.com is delegated to three name servers: dns.bizcn.com, ns1.dns.com.cn and ns2.dns.com.cn.

sems-space.com at least partially shares name servers with other domains, for example incrom.com.cn, cooai.net, simba-med.com, 68iot.cn and lauyoo.com.

These name servers are often used with the following name servers: ns7.cnmsn.net, ns8.cnmsn.net, ns13.dns.com.cn, ns14.dns.com.cn, dns.cnmsn.net, ns5.cnmsn.net, ns6.cnmsn.net and ns3.cnmsn.com.

Hosts with three IPs:

Host dns.bizcn.com points to: 240c:4082:ffff:ff01:0:d:0:34a, 61.172.183.76 and 61.240.129.114.

Host ns1.dns.com.cn points to: 240c:4082:ffff:ff01:0:d:0:34a, 61.172.183.70 and 61.240.129.114.

Host ns2.dns.com.cn points to: 240c:4082:ffff:ff01:0:d:0:69, 61.172.183.76 and 61.240.129.147.

Hosts that point to 240c:4082:ffff:ff01:0:d:0:34a: dns.bizcn.com and ns1.dns.com.cn.

Hosts that point to 61.172.183.76: dns.bizcn.com and ns2.dns.com.cn.

Hosts that point to 61.240.129.114: dns.bizcn.com and ns1.dns.com.cn.

Mail Servers

Two mail servers handle sems-space.com: mxbiz1.qq.com and mxbiz2.qq.com.

sems-space.com shares the same mail server setup as other domains, including rotorcomp.com.cn, kuaifanacc.mobi, xds888.com, rainsan.com and ln886.net.

sems-space.com shares at least some mail servers with other domains, for example gzyhinfo.com and kmovetech.com.

sems-space.com - robtex.com

sems-space.com

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