topsunit.com - dns.ninja

`topsunit.com`

DNSSEC	⚠️ Not signed
A	112.126.222.140^{🇨🇳 Alibaba-Cloud112.126.128.0/17 CT BeiJing IDC}
NS	`dns23.hichina.com` ⭐
		A	2408:4009:501::31^{🇨🇳 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	`dns24.hichina.com`
		A	2408:4009:501::32^{🇨🇳 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,}
MX	`topsunit-com.corpsmtp.net` ⭐
		A	46.101.220.252^{🇩🇪 DIGITALOCEAN46.101.128.0/17 DigitalOcean}
			PTR	`inbound-protection-604.corpsmtp.net`
		A	47.74.38.91^{🇯🇵 Alibaba-Cloud47.74.32.0/19 Proxy-registered route object}
			PTR	`sal701.corpsmtp.net`
		A	47.74.38.124^{🇯🇵 Alibaba-Cloud47.74.32.0/19 Proxy-registered route object}
			PTR	`sal702.corpsmtp.net`
		A	47.74.155.178^{🇸🇬 Alibaba-Cloud47.74.128.0/18 Alibaba.com Inc. 400 S El Camino Real Suite 400 San Mateo, CA94402 US}
			PTR	`sal606.corpsmtp.net`
		A	47.74.223.162^{🇸🇬 Alibaba-Cloud47.74.192.0/18 Alibaba.com Inc. 400 S El Camino Real Suite 400 San Mateo, CA94402 US}
			PTR	`sal605.corpsmtp.net`
		A	138.68.75.175^{🇩🇪 DIGITALOCEAN138.68.64.0/20 DigitalOcean}
			PTR	`inbound-protection-605.corpsmtp.net`
		A	192.241.207.6^{🇺🇸 DIGITALOCEAN192.241.192.0/19 DigitalOcean}
			PTR	`inbound-protection-608.corpsmtp.net`
		A	192.241.217.149^{🇺🇸 DIGITALOCEAN192.241.192.0/19 DigitalOcean}
			PTR	`inbound-protection-609.corpsmtp.net`
		A	206.189.7.78^{🇳🇱 DIGITALOCEAN206.189.0.0/20 DigitalOcean}
			PTR	`inbound-protection-606.corpsmtp.net`
		A	206.189.96.192^{🇳🇱 DIGITALOCEAN206.189.96.0/20 DigitalOcean}
			PTR	`inbound-protection-607.corpsmtp.net`
MX	`topsunit-com.corpsmtp.cn`⁽²⁾
		A	46.101.220.252^{🇩🇪 DIGITALOCEAN46.101.128.0/17 DigitalOcean}
			PTR	`inbound-protection-604.corpsmtp.net`
		A	47.74.38.91^{🇯🇵 Alibaba-Cloud47.74.32.0/19 Proxy-registered route object}
			PTR	`sal701.corpsmtp.net`
		A	47.74.38.124^{🇯🇵 Alibaba-Cloud47.74.32.0/19 Proxy-registered route object}
			PTR	`sal702.corpsmtp.net`
		A	47.74.155.178^{🇸🇬 Alibaba-Cloud47.74.128.0/18 Alibaba.com Inc. 400 S El Camino Real Suite 400 San Mateo, CA94402 US}
			PTR	`sal606.corpsmtp.net`
		A	47.74.223.162^{🇸🇬 Alibaba-Cloud47.74.192.0/18 Alibaba.com Inc. 400 S El Camino Real Suite 400 San Mateo, CA94402 US}
			PTR	`sal605.corpsmtp.net`
		A	138.68.75.175^{🇩🇪 DIGITALOCEAN138.68.64.0/20 DigitalOcean}
			PTR	`inbound-protection-605.corpsmtp.net`
		A	192.241.207.6^{🇺🇸 DIGITALOCEAN192.241.192.0/19 DigitalOcean}
			PTR	`inbound-protection-608.corpsmtp.net`
		A	192.241.217.149^{🇺🇸 DIGITALOCEAN192.241.192.0/19 DigitalOcean}
			PTR	`inbound-protection-609.corpsmtp.net`
		A	206.189.7.78^{🇳🇱 DIGITALOCEAN206.189.0.0/20 DigitalOcean}
			PTR	`inbound-protection-606.corpsmtp.net`
		A	206.189.96.192^{🇳🇱 DIGITALOCEAN206.189.96.0/20 DigitalOcean}
			PTR	`inbound-protection-607.corpsmtp.net`
MX	`cdn.corp-email.cn`⁽³⁾
		A	47.88.156.124^{🇸🇬 Alibaba-Cloud47.88.128.0/18 Alibaba CLoud}
			PTR	`sal603.corpemail.net`
		A	95.85.28.238^{🇳🇱 DIGITALOCEAN95.85.0.0/18 DigitalOcean}
			PTR	`vip2-fastemail-cn.biz-email.net`
		A	178.62.221.58^{🇳🇱 DIGITALOCEAN178.62.192.0/18 DigitalOcean}
			PTR	`sgcdn94.corpemail.net`
		A	188.166.82.68^{🇳🇱 DIGITALOCEAN188.166.64.0/18 DigitalOcean}
			PTR	`inbound-601.protection.corpemail.net`
MX	`mail.biz-email.net`⁽⁴⁾
		A	222.73.234.229^{🇨🇳 SHANGHAITELECOM222.73.234.0/24 SHIDC}
			PTR	`mail.biz-email.net`
		A	222.73.234.234^{🇨🇳 SHANGHAITELECOM222.73.234.0/24 SHIDC}
			PTR	`mail.biz-email.net`
		A	222.73.234.236^{🇨🇳 SHANGHAITELECOM222.73.234.0/24 SHIDC}
			PTR	`mail.biz-email.net`
MX	`cnc.biz-email.net`⁽⁵⁾
		A	210.51.26.140^{🇨🇳 CU-CN-AS210.51.26.0/24}
		A	210.51.26.150^{🇨🇳 CU-CN-AS210.51.26.0/24}
TXT	`v=spf1 include:_s.corp-email.com -all`
SOA	`dns23.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=1786740309

Subdomains

mail.topsunit.com

Same first word

topsunit.com

Similar names

postunit.com

spotunit.com

spotunit.net

pontusit.com

pustotin.ru

topunits.com

stupoint.com

unstopit.com

tuinpost.nl

spotunit.de

unitspot.com

unitpost.com

DNS History

11 records (8 active, 3 former)

●NSdns23.hichina.com2015-07-26 → 2026-08-14 · 2 obs

● 2015-07-26 18:10:26
● 2026-08-14 21:00:02

●NSdns24.hichina.com2015-07-26 → 2026-08-14 · 2 obs

● 2015-07-26 18:10:26
● 2026-08-14 21:00:02

○MX203.156.207.2212015-11-26 → 2016-02-12 · 5 obs

○ 2015-07-26 18:10:26
● 2015-11-26 03:31:54
● 2016-02-12 21:09:22
○ 2016-03-25 10:25:22
○ 2026-08-14 21:00:02

○MX203.156.207.2212015-07-26 → 2015-07-26 · 3 obs

● 2015-07-26 18:10:26
○ 2015-11-26 03:31:54
○ 2026-08-14 21:00:02

●MXcdn.corp-email.cn2026-03-15 → 2026-08-14 · 3 obs

○ 2016-11-22 12:45:32
● 2026-03-15 19:56:30
● 2026-08-14 21:00:02

●MXcnc.biz-email.net2026-03-15 → 2026-08-14 · 3 obs

○ 2016-11-22 12:45:32
● 2026-03-15 19:56:30
● 2026-08-14 21:00:02

●MXmail.biz-email.net2026-03-15 → 2026-08-14 · 3 obs

○ 2016-11-22 12:45:32
● 2026-03-15 19:56:30
● 2026-08-14 21:00:02

○MXmail.topsunit.com2016-03-25 → 2016-11-22 · 5 obs

○ 2016-02-12 21:09:22
● 2016-03-25 10:25:22
● 2016-11-22 12:45:32
○ 2026-03-15 19:56:30
○ 2026-08-14 21:00:02

●MXtopsunit-com.corpsmtp.cn2026-03-15 → 2026-08-14 · 3 obs

○ 2016-11-22 12:45:32
● 2026-03-15 19:56:30
● 2026-08-14 21:00:02

●MXtopsunit-com.corpsmtp.net2026-03-15 → 2026-08-14 · 3 obs

○ 2016-11-22 12:45:32
● 2026-03-15 19:56:30
● 2026-08-14 21:00:02

●A112.126.222.1402015-07-26 → 2026-08-14 · 2 obs

● 2015-07-26 18:10:26
● 2026-08-14 21:00:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
topsunit.com	dns23.hichina.com, dns24.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.38

NS records: dns23.hichina.com, dns24.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for topsunit.com (unsigned zone)

⏱️ Timing

Total: 718ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`112.126.222.140`
NS	2	`dns23.hichina.com, dns24.hichina.com`
MX	5	`topsunit-com.corpsmtp.cn (pri: 2), mail.biz-email.net (pri: 4)...`
TXT	1	`v=spf1 include:_s.corp-email.com -all`
SOA	1	`dns23.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns23.hichina.com, dns23.hichina.com, dns23.hichina.com...)

Analysis

Hierarchy

The domain mail.topsunit.com falls under the parent topsunit.com.

IP Addresses

topsunit.com points to a single IP number: 112.126.222.140.

Name Servers

DNS delegation for topsunit.com points to two name servers: dns23.hichina.com and dns24.hichina.com.

topsunit.com shares its name server setup with other domains, including saihan.gov.cn, 1912688.com, digb.cn and two others.

At least some of topsunit.com's name servers are shared with other domains, for example akswljt.com, voyarigging.com, jund.cn and two more.

It is common for these name servers to be used in conjunction with the name servers expirens3.hichina.com, expirens4.hichina.com and ns1.alidns.com.

Host names with 9 IP numbers:

dns23.hichina.com has IP addresses 39.96.153.40, 39.96.153.60 and 47.118.199.200, plus 6 other.

dns24.hichina.com has IP addresses 39.96.153.38, 39.96.153.61 and 47.118.199.198, plus 6 other.

Mail Servers

topsunit.com has five mail servers, which are cdn.corp-email.cn, topsunit-com.corpsmtp.cn, cnc.biz-email.net and two others.

topsunit.com shares mail servers — at least in part — with other domains, including gznict.com, youyue.biz, airtac.com and two others.

These mail servers are frequently used alongside the mail servers mail.biz-email.net, cdn.corpemail.net and mdn.corp-email.cn, plus two others.

Host names with 10 IP numbers:

topsunit-com.corpsmtp.cn has IP addresses 46.101.220.252, 47.74.38.91 and 47.74.38.124, plus 7 other.

topsunit-com.corpsmtp.net has IP addresses 46.101.220.252, 47.74.38.91 and 47.74.38.124, plus 7 other.

Host names resolving to four IP addresses:

cdn.corp-email.cn directs to 47.88.156.124, 95.85.28.238, 178.62.221.58 and 188.166.82.68.

Host names with three IP numbers:

mail.biz-email.net has IP addresses 222.73.234.229, 222.73.234.234 and 222.73.234.236.

Host names with two IP numbers:

cnc.biz-email.net has two IP addresses: 210.51.26.140 and 210.51.26.150.

Host names pointing to 46.101.220.252 IP addresses: topsunit-com.corpsmtp.cn and topsunit-com.corpsmtp.net.

Host names pointing to 47.74.38.91 IP addresses: topsunit-com.corpsmtp.cn and topsunit-com.corpsmtp.net.

Host names pointing to 47.74.38.124 IP addresses: topsunit-com.corpsmtp.cn and topsunit-com.corpsmtp.net.

Host names pointing to 47.74.155.178 IP addresses: topsunit-com.corpsmtp.cn and topsunit-com.corpsmtp.net.

Host names pointing to 47.74.223.162 IP addresses: topsunit-com.corpsmtp.cn and topsunit-com.corpsmtp.net.

Host names pointing to 138.68.75.175 IP addresses: topsunit-com.corpsmtp.cn and topsunit-com.corpsmtp.net.

Host names pointing to 192.241.207.6 IP addresses: topsunit-com.corpsmtp.cn and topsunit-com.corpsmtp.net.

Host names pointing to 192.241.217.149 IP addresses: topsunit-com.corpsmtp.cn and topsunit-com.corpsmtp.net.

Host names pointing to 206.189.7.78 IP addresses: topsunit-com.corpsmtp.cn and topsunit-com.corpsmtp.net.

Host names pointing to 206.189.96.192 IP addresses: topsunit-com.corpsmtp.cn and topsunit-com.corpsmtp.net.