`fosundiagnostics.com`

DNSSEC	⚠️ Not signed
NS	`dns13.hichina.com` ⭐
		A	2408:4009:501::21^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.112^{🇨🇳 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	139.224.142.122^{🇨🇳 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	`dns14.hichina.com`
		A	2408:4009:501::22^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.111^{🇨🇳 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	139.224.142.121^{🇨🇳 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	`bgp.corpemail.net` ⭐
		A	46.101.237.124^{🇩🇪 DIGITALOCEAN46.101.128.0/17 DigitalOcean}
			PTR	`decdn94.corpemail.net`
		A	95.85.17.80^{🇳🇱 DIGITALOCEAN95.85.0.0/18 DigitalOcean}
			PTR	`vip-fastemail-cn.biz-email.net`
		A	188.166.41.127^{🇳🇱 DIGITALOCEAN188.166.0.0/18 DigitalOcean}
			PTR	`trcdn94.corpemail.net`
MX	`cdn.corpemail.net`⁽⁶⁾
		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`
MX	`cdn.corp-email.cn`⁽¹⁰⁾
		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	`cnc.biz-email.net`⁽¹⁰⁾
		A	210.51.26.140^{🇨🇳 CU-CN-AS210.51.26.0/24}
		A	210.51.26.150^{🇨🇳 CU-CN-AS210.51.26.0/24}
MX	`mail.biz-email.net`⁽¹⁰⁾
		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`
TXT	`2pmiplikpg65i38r4j8h4eb7j6`
TXT	`d3fo1g761svgh7o9o6abhr7epc`
TXT	`v=spf1 include:_s.corp-email.com -all`
TXT	`MS=A3D100736A4F36A03970A2393FB20B41CA93FED4`
SOA	`dns13.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=1774598772

Same first word

fosundiagnostics.com

DNS History

19 records (7 active, 12 former)

○NSdns1.registrar-servers.com2015-07-15 → 2017-12-24 · 4 obs

● 2015-07-15 09:07:50
● 2017-12-24 05:00:20
○ 2026-03-04 03:16:24
○ 2026-03-27 08:18:56

●NSdns13.hichina.com2026-03-04 → 2026-03-27 · 3 obs

○ 2017-12-24 05:00:20
● 2026-03-04 03:16:24
● 2026-03-27 08:18:56

●NSdns14.hichina.com2026-03-04 → 2026-03-27 · 3 obs

○ 2017-12-24 05:00:20
● 2026-03-04 03:16:24
● 2026-03-27 08:18:56

○NSdns2.registrar-servers.com2015-07-15 → 2017-12-24 · 4 obs

● 2015-07-15 09:07:50
● 2017-12-24 05:00:20
○ 2026-03-04 03:16:24
○ 2026-03-27 08:18:56

○NSdns3.registrar-servers.com2015-07-15 → 2016-04-29 · 4 obs

● 2015-07-15 09:07:50
● 2016-04-29 08:32:46
○ 2016-12-31 05:52:50
○ 2026-03-27 08:18:56

○NSdns4.registrar-servers.com2015-07-15 → 2016-04-29 · 4 obs

● 2015-07-15 09:07:50
● 2016-04-29 08:32:46
○ 2016-12-31 05:52:50
○ 2026-03-27 08:18:56

○NSdns5.registrar-servers.com2015-07-15 → 2016-04-29 · 4 obs

● 2015-07-15 09:07:50
● 2016-04-29 08:32:46
○ 2016-12-31 05:52:50
○ 2026-03-27 08:18:56

●MXbgp.corpemail.net2026-03-04 → 2026-03-27 · 3 obs

○ 2017-12-24 05:00:20
● 2026-03-04 03:16:24
● 2026-03-27 08:18:56

●MXcdn.corp-email.cn2026-03-04 → 2026-03-27 · 3 obs

○ 2017-12-24 05:00:20
● 2026-03-04 03:16:24
● 2026-03-27 08:18:56

●MXcdn.corpemail.net2026-03-04 → 2026-03-27 · 3 obs

○ 2017-12-24 05:00:20
● 2026-03-04 03:16:24
● 2026-03-27 08:18:56

●MXcnc.biz-email.net2026-03-04 → 2026-03-27 · 3 obs

○ 2017-12-24 05:00:20
● 2026-03-04 03:16:24
● 2026-03-27 08:18:56

○MXeforward1.registrar-servers.com2015-07-15 → 2017-12-24 · 4 obs

● 2015-07-15 09:07:50
● 2017-12-24 05:00:20
○ 2026-03-04 03:16:24
○ 2026-03-27 08:18:56

○MXeforward2.registrar-servers.com2015-07-15 → 2017-12-24 · 4 obs

● 2015-07-15 09:07:50
● 2017-12-24 05:00:20
○ 2026-03-04 03:16:24
○ 2026-03-27 08:18:56

○MXeforward3.registrar-servers.com2015-07-15 → 2017-12-24 · 4 obs

● 2015-07-15 09:07:50
● 2017-12-24 05:00:20
○ 2026-03-04 03:16:24
○ 2026-03-27 08:18:56

○MXeforward4.registrar-servers.com2015-07-15 → 2017-12-24 · 4 obs

● 2015-07-15 09:07:50
● 2017-12-24 05:00:20
○ 2026-03-04 03:16:24
○ 2026-03-27 08:18:56

○MXeforward5.registrar-servers.com2015-07-15 → 2017-12-24 · 4 obs

● 2015-07-15 09:07:50
● 2017-12-24 05:00:20
○ 2026-03-04 03:16:24
○ 2026-03-27 08:18:56

●MXmail.biz-email.net2026-03-04 → 2026-03-27 · 3 obs

○ 2017-12-24 05:00:20
● 2026-03-04 03:16:24
● 2026-03-27 08:18:56

○A198.38.85.532015-07-15 → 2016-04-29 · 4 obs

● 2015-07-15 09:07:50
● 2016-04-29 08:32:46
○ 2016-12-31 05:52:50
○ 2026-03-27 08:18:56

○A87.118.83.1142016-12-31 → 2017-12-24 · 5 obs

○ 2016-04-29 08:32:46
● 2016-12-31 05:52:50
● 2017-12-24 05:00:20
○ 2026-03-04 03:16:24
○ 2026-03-27 08:18:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net, l.gtld-servers.net...	-
fosundiagnostics.com	dns13.hichina.com, dns14.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.41

NS records: dns13.hichina.com, dns14.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fosundiagnostics.com (unsigned zone)

⏱️ Timing

Total: 786ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns14.hichina.com, dns13.hichina.com`
MX	5	`bgp.corpemail.net (pri: 5), mail.biz-email.net (pri: 10)...`
TXT	4	`MS=A3D100736A4F36A03970A2393FB20B41CA93F, v=spf1 include:_s.corp-email.com -all...`
SOA	1	`dns13.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns13.hichina.com, dns13.hichina.com, dns13.hichina.com...)

Analysis

Name Servers

fosundiagnostics.com's delegation is to two name servers dns13.hichina.com and dns14.hichina.com.

fosundiagnostics.com shares the same name server configuration as other domains, such as kclm.cn, petrichor8786.com, jpgroup.cn, nbhcauto.com and 0click.net.

fosundiagnostics.com at least partially shares its name servers with other domains, for instance muzs.cn, topstream.xyz, hywcn.club, smchina.com and easycarwash.xyz.

These name servers are commonly used alongside expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers: dns13.hichina.com points to 2408:4009:501::21, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122; dns14.hichina.com points to 2408:4009:501::22, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.

Mail Servers

Five mail servers handle fosundiagnostics.com: cdn.corp-email.cn, cnc.biz-email.net, mail.biz-email.net, bgp.corpemail.net and cdn.corpemail.net.

fosundiagnostics.com shares some mail servers with other domains, including fordglory.com.hk, gzsle.net, chempartner.cn, gdyhong.com and carizon.com.

these mail servers are often used alongside the mail servers mdn.corp-email.cn, mdn.corpemail.net, vasteast-com.corpemail.net and gzjunbo-net.corpemail.net.

Host names with nine IP numbers: 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: 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 with three IP numbers: mail.biz-email.net points to: 222.73.234.229, 222.73.234.234 and 222.73.234.236; bgp.corpemail.net points to: 46.101.237.124, 95.85.17.80 and 188.166.41.127.

Host names with two IP numbers: cnc.biz-email.net points to: 210.51.26.140 and 210.51.26.150.

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

fosundiagnostics.com - robtex.com