`u-co.com`

DNSSEC	⚠️ Not signed
NS	`dns19.hichina.com` ⭐
		A	2408:4009:501::27^{🇨🇳 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	`dns20.hichina.com`
		A	2408:4009:501::28^{🇨🇳 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	`cdn.corp-email.cn` ⭐
		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	`cdn.corpemail.net`⁽¹¹⁾
		A	23.91.98.8^{🇺🇸 UCLOUD-123.91.98.0/24 ZL-IDC-UCLOUD-HKG}
			PTR	`sal605.corpemail.net`
		A	47.74.183.245^{🇸🇬 Alibaba-Cloud47.74.128.0/18 Alibaba.com Inc. 400 S El Camino Real Suite 400 San Mateo, CA94402 US}
			PTR	`sal604.corpemail.net`
		A	47.88.156.124^{🇸🇬 Alibaba-Cloud47.88.128.0/18 Alibaba CLoud}
			PTR	`sal603.corpemail.net`
		A	47.88.170.90^{🇸🇬 Alibaba-Cloud47.88.128.0/18 Alibaba CLoud}
			PTR	`sal601.corpemail.net`
		A	95.85.54.247^{🇳🇱 DIGITALOCEAN95.85.0.0/18 DigitalOcean}
			PTR	`inbound-603.protection.corpemail.net`
		A	159.100.25.64^{🇦🇹 AT-FIRSTCOLO159.100.24.0/22 First Colo via AS203833}
			PTR	`dd-cn2-101.corpemail.net`
		A	159.100.25.163^{🇦🇹 AT-FIRSTCOLO159.100.24.0/22 First Colo via AS203833}
			PTR	`dd-cn2-401.corpemail.net`
		A	159.100.25.212^{🇦🇹 AT-FIRSTCOLO159.100.24.0/22 First Colo via AS203833}
			PTR	`dd-cn2-402.corpemail.net`
		A	188.166.26.239^{🇳🇱 DIGITALOCEAN188.166.0.0/18 DigitalOcean}
			PTR	`inbound-602.protection.corpemail.net`
TXT	`v=spf1 include:_s.corp-email.com include:spf.protection.partner.outlook.cn ~all`
SOA	`dns19.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=1774447622

Same first word

u-co.de

u-co.net

u-co.jp

u-co.com

u-co.co

Similar names

co-u.net

o-cu.com

uc-o.de

ou-c.com

co-u.com

oc-u.com

c-ou.com

DNS History

9 records (4 active, 5 former)

●NSdns19.hichina.com2026-03-25 → 2026-03-25 · 3 obs

○ 2016-07-03 05:13:18
● 2026-03-25 14:17:34
● 2026-03-25 14:17:36

●NSdns20.hichina.com2026-03-25 → 2026-03-25 · 3 obs

○ 2016-07-03 05:13:18
● 2026-03-25 14:17:34
● 2026-03-25 14:17:36

○NSf1g1ns1.dnspod.net2015-08-01 → 2016-07-03 · 4 obs

● 2015-08-01 15:46:36
● 2016-07-03 05:13:18
○ 2026-03-25 14:17:34
○ 2026-03-25 14:17:36

○NSf1g1ns2.dnspod.net2015-08-01 → 2016-07-03 · 4 obs

● 2015-08-01 15:46:36
● 2016-07-03 05:13:18
○ 2026-03-25 14:17:34
○ 2026-03-25 14:17:36

●MXcdn.corp-email.cn2016-07-03 → 2026-03-25 · 3 obs

○ 2016-03-07 21:24:30
● 2016-07-03 05:13:18
● 2026-03-25 14:17:36

●MXcdn.corpemail.net2016-07-03 → 2026-03-25 · 3 obs

○ 2016-03-07 21:24:30
● 2016-07-03 05:13:18
● 2026-03-25 14:17:36

○MXcnc.biz-email.net2016-07-03 → 2017-03-14 · 5 obs

○ 2016-03-07 21:24:30
● 2016-07-03 05:13:18
● 2017-03-14 06:05:04
○ 2026-03-25 14:17:34
○ 2026-03-25 14:17:36

○MXmail.biz-email.net2016-07-03 → 2017-03-14 · 5 obs

○ 2016-03-07 21:24:30
● 2016-07-03 05:13:18
● 2017-03-14 06:05:04
○ 2026-03-25 14:17:34
○ 2026-03-25 14:17:36

○MXmail.u-co.com2015-08-01 → 2016-03-07 · 4 obs

● 2015-08-01 15:46:36
● 2016-03-07 21:24:30
○ 2016-07-03 05:13:18
○ 2026-03-25 14:17:36

🔍 DNS Trace

Analysis

Name Servers

Two name servers dns19.hichina.com and dns20.hichina.com handle the delegation for u-co.com.

u-co.com shares the same name server setup as other domains, for instance ldlog.com.cn, gzctzn.cn, zhitiedq.com, geometricalpal.com and e33.cn.

u-co.com at least partially shares name servers with other domains, for instance zuerba.com, reflection.cn, jm7r5xsphmx5.xyz, yakteam.com and jhsfj.com.

These name servers are commonly used with the following: expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.

Host names with nine IP numbers:

dns19.hichina.com points to: 2408:4009:501::27, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110.

dns20.hichina.com points to: 2408:4009:501::28, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.

Mail Servers

u-co.com is handled by two mail servers: cdn.corp-email.cn and cdn.corpemail.net.

u-co.com shares at least partially some mail servers with other domains, for instance dttai.com, xintron.cn, gowinamc.com, wxyongcan.com and trayton.com.

these mail servers are commonly used alongside mail.biz-email.net and cnc.biz-email.net.

Host names with nine IP numbers:

The host name cdn.corpemail.net points to: 23.91.98.8, 47.74.183.245, 47.88.156.124, 47.88.170.90, 95.85.54.247, 159.100.25.64, 159.100.25.163, 159.100.25.212 and 188.166.26.239.

Host names with four IP numbers:

The host name cdn.corp-email.cn points to: 47.88.156.124, 95.85.28.238, 178.62.221.58 and 188.166.82.68.

Host names that point to 47.88.156.124 : cdn.corpemail.net and cdn.corp-email.cn.

u-co.com - robtex.com

u-co.com

com