`a-precision.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}
			PTR	`ip-39-96-153-39.defastlink.net`
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-59.defastlink.net`
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-199.defastlink.net`
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-219.defastlink.net`
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-39.defastlink.net`
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-59.defastlink.net`
		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,}
			PTR	`ip-139-224-142-99.defastlink.net`
		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,}
			PTR	`ip-139-224-142-109.defastlink.net`
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}
			PTR	`ip-39-96-153-37.defastlink.net`
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-62.defastlink.net`
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-197.defastlink.net`
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-221.defastlink.net`
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-37.defastlink.net`
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-62.defastlink.net`
		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,}
			PTR	`ip-139-224-142-102.defastlink.net`
		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,}
			PTR	`ip-139-224-142-107.defastlink.net`
MX	`hzmx01.mxmail.netease.com` ⭐
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
MX	`hzmx02.mxmail.netease.com` ⭐
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
TXT	`v=spf1 include:spf.163.com -all`
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=1771291435

Same first word

a-precision.com

DNS History

14 records (4 active, 10 former)

●NSdns25.hichina.com2026-03-23 → 2026-03-23 · 2 obs

○ 2017-06-20 16:30:50
● 2026-03-23 01:17:22

●NSdns26.hichina.com2026-03-23 → 2026-03-23 · 2 obs

○ 2017-06-20 16:30:50
● 2026-03-23 01:17:22

○NSns33.domaincontrol.com2015-07-10 → 2017-06-20 · 3 obs

● 2015-07-10 12:29:06
● 2017-06-20 16:30:50
○ 2026-03-23 01:17:22

○NSns34.domaincontrol.com2015-07-10 → 2017-06-20 · 3 obs

● 2015-07-10 12:29:06
● 2017-06-20 16:30:50
○ 2026-03-23 01:17:22

○MXalt2.aspmx.l.google.com2015-07-10 → 2017-06-20 · 3 obs

● 2015-07-10 12:29:06
● 2017-06-20 16:30:50
○ 2026-03-23 01:17:22

○MXalt3.aspmx.l.google.com2015-07-10 → 2017-06-20 · 3 obs

● 2015-07-10 12:29:06
● 2017-06-20 16:30:50
○ 2026-03-23 01:17:22

○MXalt4.aspmx.l.google.com2015-07-10 → 2017-06-20 · 3 obs

● 2015-07-10 12:29:06
● 2017-06-20 16:30:50
○ 2026-03-23 01:17:22

○MXaspmx.l.google.com2015-07-10 → 2017-06-20 · 3 obs

● 2015-07-10 12:29:06
● 2017-06-20 16:30:50
○ 2026-03-23 01:17:22

●MXhzmx01.mxmail.netease.com2026-03-23 → 2026-03-23 · 2 obs

○ 2017-06-20 16:30:50
● 2026-03-23 01:17:22

●MXhzmx02.mxmail.netease.com2026-03-23 → 2026-03-23 · 2 obs

○ 2017-06-20 16:30:50
● 2026-03-23 01:17:22

○MXmailstore1.secureserver.net2015-07-10 → 2017-06-20 · 3 obs

● 2015-07-10 12:29:06
● 2017-06-20 16:30:50
○ 2026-03-23 01:17:22

○MXserver509.webhostingpad.com2015-07-10 → 2017-06-20 · 3 obs

● 2015-07-10 12:29:06
● 2017-06-20 16:30:50
○ 2026-03-23 01:17:22

○MXsmtp.secureserver.net2015-07-10 → 2017-06-20 · 3 obs

● 2015-07-10 12:29:06
● 2017-06-20 16:30:50
○ 2026-03-23 01:17:22

○A204.93.163.812015-07-10 → 2017-06-20 · 3 obs

● 2015-07-10 12:29:06
● 2017-06-20 16:30:50
○ 2026-03-23 01:17:22

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:120.76.107.39

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for a-precision.com (unsigned zone)

⏱️ Timing

Total: 586ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns25.hichina.com, dns26.hichina.com`
MX	2	`hzmx01.mxmail.netease.com (pri: 10), hzmx02.mxmail.netease.com (pri: 10)`
TXT	1	`v=spf1 include:spf.163.com -all`
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

Name Servers

Two name servers dns25.hichina.com and dns26.hichina.com are delegated to a-precision.com.

a-precision.com uses the same name server configuration as other domains, such as chongmin.cn, thingnet.net, jnjtzxpx.com, good365.net and zjyksf.com.

a-precision.com at least partially shares name servers with other domains such as fszxl.cn, poiuytw.com, nnhs.cn, aerosolchina.org and anlu.gov.cn.

These name servers are commonly used with ns1.alidns.com and ns2.alidns.com.

Two hosts with nine IPs each:

Host 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.

Host 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

Two mail servers handle a-precision.com: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.

a-precision.com shares the same mail server setup as other domains, including nittaya.cn, duyangchem.com, sfvest.com, wxunite.com and cable-manufacturers.com.

a-precision.com shares mail servers with other domains at least in part, for instance jlsu.edu.cn, eastastro.com, veytu.com, ecguard.com and igrslink.cn.

Host names with two IP numbers:

hzmx01.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126

hzmx02.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126

Hosts that point to 47.251.71.119: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com

Hosts that point to 47.251.84.126: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com

a-precision.com - robtex.com

a-precision.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Name Servers

Mail Servers

`a-precision.com`

`com`