`hjchem.com`

DNSSEC	⚠️ Not signed
NS	`dns25.hichina.com` ⭐
		A	2408:4009:501::33^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.99^{🇨🇳 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	139.224.142.109^{🇨🇳 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	`dns26.hichina.com`
		A	2408:4009:501::34^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.102^{🇨🇳 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	139.224.142.107^{🇨🇳 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	`hjchem-com.corpsmtp.net` ⭐
MX	`hjchem-com-p.corpemail.net`⁽²⁾
		A	210.51.26.153^{🇨🇳 CU-CN-AS210.51.26.0/24}
MX	`hjchem-com.corpsmtp.cn`⁽³⁾
MX	`mdn.corpemail.net`⁽⁴⁾
		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	`mdn.corp-email.cn`⁽⁵⁾
		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	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`
TXT	`v=spf1 include:spf.corp-email.com include:spf.hjchem.com include:spfb.corp-em...`
SOA	`dns25.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=1774989697

Subdomains

mail.hjchem.com

Same first word

hjchem.com.cn

hjchem.com

Similar names

jhmech.com

chemjh.com

chemjh.cn

jhchem.com

DNS History

10 records (7 active, 3 former)

●NSdns25.hichina.com2015-05-01 → 2026-03-31 · 2 obs

● 2015-05-01 01:28:46
● 2026-03-31 21:11:08

●NSdns26.hichina.com2015-05-01 → 2026-03-31 · 2 obs

● 2015-05-01 01:28:46
● 2026-03-31 21:11:08

●MXhjchem-com-p.corpemail.net2026-02-16 → 2026-03-31 · 3 obs

○ 2017-05-21 21:58:50
● 2026-02-16 03:13:04
● 2026-03-31 21:11:08

●MXhjchem-com.corpsmtp.cn2026-02-16 → 2026-03-31 · 3 obs

○ 2017-05-21 21:58:50
● 2026-02-16 03:13:04
● 2026-03-31 21:11:08

●MXhjchem-com.corpsmtp.net2026-02-16 → 2026-03-31 · 3 obs

○ 2017-05-21 21:58:50
● 2026-02-16 03:13:04
● 2026-03-31 21:11:08

○MXhjchem.corp-email.cn2017-05-21 → 2017-05-21 · 4 obs

○ 2015-05-01 01:28:46
● 2017-05-21 21:58:50
○ 2026-02-16 03:13:04
○ 2026-03-31 21:11:08

○MXhjchem.corpemail.net2017-05-21 → 2017-05-21 · 4 obs

○ 2015-05-01 01:28:46
● 2017-05-21 21:58:50
○ 2026-02-16 03:13:04
○ 2026-03-31 21:11:08

○MXmail.hjchem.com2015-05-01 → 2017-05-21 · 4 obs

● 2015-05-01 01:28:46
● 2017-05-21 21:58:50
○ 2026-02-16 03:13:04
○ 2026-03-31 21:11:08

●MXmdn.corp-email.cn2026-02-16 → 2026-03-31 · 3 obs

○ 2017-05-21 21:58:50
● 2026-02-16 03:13:04
● 2026-03-31 21:11:08

●MXmdn.corpemail.net2026-02-16 → 2026-03-31 · 3 obs

○ 2017-05-21 21:58:50
● 2026-02-16 03:13:04
● 2026-03-31 21:11:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
hjchem.com	dns25.hichina.com, dns26.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.37

NS records: dns25.hichina.com, dns26.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hjchem.com (unsigned zone)

⏱️ Timing

Total: 3515ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns25.hichina.com, dns26.hichina.com`
MX	5	`mdn.corp-email.cn (pri: 5), hjchem-com.corpsmtp.net (pri: 1)...`
TXT	1	`v=spf1 include:spf.corp-email.com includ`
SOA	1	`dns25.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns25.hichina.com, dns25.hichina.com, dns25.hichina.com...)

Analysis

Hierarchy

The parent of mail.hjchem.com is hjchem.com.

Name Servers

hjchem.com is delegated to two name servers: dns25.hichina.com and dns26.hichina.com.

hjchem.com uses the same name server setup as other domains, for instance agiagroup.com, caisa.com.cn, iempires.com, strive.com.cn and liwaytextile.com.

hjchem.com at least partially shares name servers with other domains, such as mxlu.cn and 361.biz and sunpap.com.

Host names with nine IP numbers: dns25.hichina.com points to 2408:4009:501::33, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109; dns26.hichina.com points to 2408:4009:501::34, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.

Mail Servers

hjchem.com is handled by five mail servers: mdn.corp-email.cn, hjchem-com.corpsmtp.cn, hjchem-com-p.corpemail.net, mdn.corpemail.net and hjchem-com.corpsmtp.net.

hjchem.com shares some mail servers with other domains, including azurecorp.com, e-golfcart.com, bc-sports.com.cn, newlandnpt.com and shifendaojia.com.

These mail servers are often used together with the mail servers cnc.biz-email.net, mail.biz-email.net, tcl-com.corpsmtp.cn, tcl-com.corpsmtp.net, yuyuantm-com-cn.corpsmtp.cn, yuyuantm-com-cn.corpsmtp.net, goodwe-com.corpsmtp.cn, goodwe-com.corpsmtp.net, newland-com-cn.corpsmtp.cn and newland-com-cn.corpsmtp.net.

Host names with four IP numbers: mdn.corp-email.cn points to 47.74.183.245, 95.85.28.238, 178.62.221.58 and 188.166.82.68.

Host names with nine IP numbers: mdn.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 one IP number: hjchem-com-p.corpemail.net points to 210.51.26.153.

Host names that point to 47.74.183.245: mdn.corp-email.cn and mdn.corpemail.net.

Note: 47.74.183.245 is targeted by multiple host entries.

hjchem.com - robtex.com

hjchem.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

Name Servers

Mail Servers

`hjchem.com`

`com`