`zhenghan.com`

DNSSEC	⚠️ Not signed
A	116.236.200.155^{🇨🇳 SHANGHAITELECOM116.236.0.0/16 Chinanet Shanghai}
		PTR	`mail.china-lawyer.cn`
		PTR	`mail.zhenghan.com`
NS	`dns1.hichina.com` ⭐
		A	2408:4009:501::9^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.63^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.213^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.63^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.113^{🇨🇳 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	139.224.142.123^{🇨🇳 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	`dns2.hichina.com`
		A	2408:4009:501::10^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.44^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.54^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.204^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.214^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.44^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.54^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.114^{🇨🇳 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	139.224.142.124^{🇨🇳 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	`zhenghan-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	`zhenghan-com.corpsmtp.cn`⁽²⁰⁾
		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	`cnc.biz-email.net`⁽³⁰⁾
		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`⁽⁴⁰⁾
		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	`wps-site-verification=MTc1NTc0NzQxMFYYsBvBLgPuYZkRMjjiOtRAJIbP`
TXT	`v=spf1 a:mail.zhenghan.com ip4:116.236.200.155 ip4:116.236.200.154 -all`
SOA	`dns1.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=1774631462

Subdomains

mail.zhenghan.com

Same first word

zhenghan.com

zhenghan.net

Similar names

zhanheng.net

hanzheng.cn

henzhang.com

zhenhang.net

zhanheng.cn

DNS History

12 records (7 active, 5 former)

●NSdns1.hichina.com2015-06-06 → 2026-03-27 · 2 obs

● 2015-06-06 12:09:40
● 2026-03-27 17:41:02

●NSdns2.hichina.com2015-06-06 → 2026-03-27 · 2 obs

● 2015-06-06 12:09:40
● 2026-03-27 17:41:02

○MXcdn.corp-email.cn2015-06-06 → 2017-04-18 · 4 obs

● 2015-06-06 12:09:40
● 2017-04-18 23:24:14
○ 2026-02-17 10:13:02
○ 2026-03-27 17:41:02

○MXcdn.corpemail.net2015-06-06 → 2017-04-18 · 4 obs

● 2015-06-06 12:09:40
● 2017-04-18 23:24:14
○ 2026-02-17 10:13:02
○ 2026-03-27 17:41:02

●MXcnc.biz-email.net2015-06-06 → 2026-03-27 · 2 obs

● 2015-06-06 12:09:40
● 2026-03-27 17:41:02

●MXmail.biz-email.net2015-06-06 → 2026-03-27 · 2 obs

● 2015-06-06 12:09:40
● 2026-03-27 17:41:02

●MXzhenghan-com.corpsmtp.cn2026-02-17 → 2026-03-27 · 3 obs

○ 2017-04-18 23:24:14
● 2026-02-17 10:13:02
● 2026-03-27 17:41:02

●MXzhenghan-com.corpsmtp.net2026-02-17 → 2026-03-27 · 3 obs

○ 2017-04-18 23:24:14
● 2026-02-17 10:13:02
● 2026-03-27 17:41:02

○MXzhenghan.corp-email.cn2015-10-24 → 2017-04-18 · 5 obs

○ 2015-06-06 12:09:40
● 2015-10-24 09:17:58
● 2017-04-18 23:24:14
○ 2026-02-17 10:13:02
○ 2026-03-27 17:41:02

○MXzhenghan.corpemail.net2015-10-24 → 2017-04-18 · 5 obs

○ 2015-06-06 12:09:40
● 2015-10-24 09:17:58
● 2017-04-18 23:24:14
○ 2026-02-17 10:13:02
○ 2026-03-27 17:41:02

●A116.236.200.1552015-10-24 → 2026-03-27 · 3 obs

○ 2015-06-06 12:09:40
● 2015-10-24 09:17:58
● 2026-03-27 17:41:02

○A222.73.18.902015-06-06 → 2015-06-06 · 3 obs

● 2015-06-06 12:09:40
○ 2015-10-24 09:17:58
○ 2026-03-27 17:41:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net...	-
zhenghan.com	dns2.hichina.com, dns1.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.44

NS records: dns2.hichina.com, dns1.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zhenghan.com (unsigned zone)

⏱️ Timing

Total: 646ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`116.236.200.155`
NS	2	`dns1.hichina.com, dns2.hichina.com`
MX	4	`zhenghan-com.corpsmtp.cn (pri: 20), zhenghan-com.corpsmtp.net (pri: 10)...`
TXT	2	`wps-site-verification=MTc1NTc0NzQxMFYYsB, v=spf1 a:mail.zhenghan.com ip4:116.236.2`
SOA	1	`dns1.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns2.hichina.com, dns2.hichina.com, dns2.hichina.com...)

Analysis

Hierarchy

The parent of mail.zhenghan.com is zhenghan.com.

IP Addresses

zhenghan.com points to an IP address: 116.236.200.155.

Other host names, for instance mail.zhenghan.com, share IP numbers with zhenghan.com.

Name Servers

Two name servers dns1.hichina.com and dns2.hichina.com handle the delegation for zhenghan.com.

zhenghan.com shares the same name server setup as other domains, for instance selengensis.com, yicarat.com, gdpioneerinternational.com, gearkoo.com and lxbcwl.com.

zhenghan.com at least partially shares name servers with other domains, for instance iwhs.cn, rfzj.cn, yyclub.org, zazsb.com and hbxmn.com.