`ant-precision.com`

DNSSEC	⚠️ Not signed
NS	`ns11.xincache.com` ⭐
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
			PTR	`ip-1-12-0-4.defastlink.net`
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
			PTR	`ip-36-155-149-180.defastlink.net`
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
			PTR	`ip-112-80-181-45.defastlink.net`
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
			PTR	`ip-117-89-178-173.defastlink.net`
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
			PTR	`ip-125-94-59-210.defastlink.net`
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
			PTR	`ip-129-211-176-209.defastlink.net`
NS	`ce1.xincache.com`
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
			PTR	`ip-1-12-0-4.defastlink.net`
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
			PTR	`ip-112-80-181-45.defastlink.net`
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
			PTR	`ip-117-89-178-173.defastlink.net`
		A	117.135.128.235^{🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)}
			PTR	`(root)`
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
			PTR	`ip-125-94-59-210.defastlink.net`
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
			PTR	`ip-129-211-176-209.defastlink.net`
NS	`ce2.xincache.com`
		A	2402:4e00:111:fff::c^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.1^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
			PTR	`ip-1-12-0-1.defastlink.net`
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
			PTR	`ip-117-89-178-184.defastlink.net`
		A	117.135.128.235^{🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)}
			PTR	`(root)`
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
			PTR	`ip-129-211-176-239.defastlink.net`
		A	220.196.136.35^{🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24}
			PTR	`ip-220-196-136-35.defastlink.net`
MX	`mxbiz1.qq.com` ⭐
		A	203.205.147.218^{🇭🇰 TENCENT-NET-AP-CN203.205.147.0/24 Proxy-registered route object}
		A	203.205.232.191^{🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object}
MX	`mxbiz2.qq.com`⁽¹⁰⁾
		A	203.205.232.191^{🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object}
TXT	`v=spf1 include:spf.mail.qq.com ~all`
TXT	`asv=bbfd6d9fbc05d81ac2964058a0d823b4`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1720413956

`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

Subdomains

mail.ant-precision.com

Same first word

ant-precision.com

ant-precision.com.cn

ant-precision.com.tw

DNS History

10 records (5 active, 5 former)

○NSce1.dns.com2020-04-10 → 2020-04-10 · 4 obs

○ 2017-03-18 18:48:10
● 2020-04-10 04:15:28
○ 2026-03-22 18:06:58
○ 2026-03-22 20:36:30

●NSce1.xincache.com2026-03-22 → 2026-03-22 · 3 obs

○ 2020-04-10 04:15:28
● 2026-03-22 18:06:58
● 2026-03-22 20:36:30

●NSce2.xincache.com2026-03-22 → 2026-03-22 · 3 obs

○ 2020-04-10 04:15:28
● 2026-03-22 18:06:58
● 2026-03-22 20:36:30

●NSns11.xincache.com2026-03-22 → 2026-03-22 · 3 obs

○ 2020-04-10 04:15:28
● 2026-03-22 18:06:58
● 2026-03-22 20:36:30

○NSns3.ce.net.cn2015-08-23 → 2017-03-18 · 4 obs

● 2015-08-23 10:29:46
● 2017-03-18 18:48:10
○ 2020-04-10 04:15:28
○ 2026-03-22 20:36:30

○MXmail.ant-precision.com2015-08-23 → 2017-03-18 · 4 obs

● 2015-08-23 10:29:46
● 2017-03-18 18:48:10
○ 2020-04-10 04:15:28
○ 2026-03-22 20:36:30

●MXmxbiz1.qq.com2020-04-10 → 2026-03-22 · 3 obs

○ 2017-03-18 18:48:10
● 2020-04-10 04:15:28
● 2026-03-22 20:36:30

●MXmxbiz2.qq.com2020-04-10 → 2026-03-22 · 3 obs

○ 2017-03-18 18:48:10
● 2020-04-10 04:15:28
● 2026-03-22 20:36:30

○A103.17.8.632020-04-10 → 2020-04-10 · 4 obs

○ 2017-03-18 18:48:10
● 2020-04-10 04:15:28
○ 2026-03-22 18:06:58
○ 2026-03-22 20:36:30

○A60.250.77.792015-08-23 → 2017-03-18 · 4 obs

● 2015-08-23 10:29:46
● 2017-03-18 18:48:10
○ 2020-04-10 04:15:28
○ 2026-03-22 20:36:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net...	-
ant-precision.com	ce1.xincache.com, ce2.xincache.com	9 records

✅ Authoritative Response

Server: 1.12.0.4

NS records: ce1.xincache.com, ce2.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 143ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ce2.xincache.com, ce1.xincache.com`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
TXT	2	`v=spf1 include:spf.mail.qq.com ~all, asv=bbfd6d9fbc05d81ac2964058a0d823b4`
SOA	1	`ns11.xincache.com ns12.xincache.com`

📌 Glue Records Collected

Total: 9

Out-of-bailiwick: 9 (ce1.xincache.com, ce1.xincache.com, ce1.xincache.com...)

Analysis

Hierarchy

ant-precision.com is a parent of mail.ant-precision.com.

Name Servers

ant-precision.com is delegated to three name servers: ce1.xincache.com, ce2.xincache.com and ns11.xincache.com.

At least part of the name servers for ant-precision.com are shared with other domains, for instance ynsports.org, gzchelsea.com, jr-tech.net, medtronic.com.cn and bdsys.cn.

These name servers are often used together with the name servers ns12.xincache.com, ns19.xincache.com, ns20.xincache.com, ns13.xincache.com, ns14.xincache.com, ns15.xincache.com and ns16.xincache.com.

Eight IP numbers:

ns11.xincache.com points to 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.

Seven IP numbers:

ce1.xincache.com points to 2402:4e00:1470:2::e, 1.12.0.4, 112.80.181.45, 117.89.178.173, 117.135.128.235, 125.94.59.210 and 129.211.176.209.

Six IP numbers:

ce2.xincache.com points to 2402:4e00:111:fff::c, 1.12.0.1, 117.89.178.184, 117.135.128.235, 129.211.176.239 and 220.196.136.35.

IPs pointing to 2402:4e00:1470:2::e: ns11.xincache.com and ce1.xincache.com.

IPs pointing to 1.12.0.4: ns11.xincache.com and ce1.xincache.com.

IPs pointing to 112.80.181.45: ns11.xincache.com and ce1.xincache.com.

IPs pointing to 117.89.178.173: ns11.xincache.com and ce1.xincache.com.

IPs pointing to 125.94.59.210: ns11.xincache.com and ce1.xincache.com.

IPs pointing to 129.211.176.209: ns11.xincache.com and ce1.xincache.com.

IPs pointing to 117.135.128.235: ce1.xincache.com and ce2.xincache.com.

Mail Servers

ant-precision.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

ant-precision.com uses the same mail server setup as other domains, for instance cqhnbp.com, mnecm.com, huachuangsz.com, bmtek.com and qixiao.net.

ant-precision.com shares mail servers with other domains to some extent, for instance cbern.com.cn, mail.821.cn, tuond.com and kingpos.net.

Host names with two IPs:

mxbiz1.qq.com points to 203.205.147.218 and 203.205.232.191.

Host names with one IP:

mxbiz2.qq.com points to 203.205.232.191.

Host names pointing to 203.205.232.191:

mxbiz1.qq.com and mxbiz2.qq.com.

ant-precision.com - robtex.com