`esttools.com`

DNSSEC	⚠️ Not signed
A	121.196.236.141^{🇨🇳 Alibaba-Cloud121.196.0.0/16}
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}
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
NS	`ns19.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}
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
NS	`ns20.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}
		A	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.111^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
		A	163.177.5.23^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
TXT	`v=spf1 include:spf.mail.qq.com ~all`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1748415173

`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=1775690252

Same first word

esttools.com

Similar names

solotest.com

toolsets.nl

toolsets.ca

toolsets.us

toolsets.it

solotest.net

stootles.com

solotest.de

testools.com

toolsets.de

solotest.com.br

DNS History

14 records (6 active, 8 former)

○NSns.xinnet.cn2007-11-05 → 2007-11-05 · 3 obs

● 2007-11-05 13:13:36
○ 2015-08-21 22:50:30
○ 2026-04-08 23:38:04

○NSns.xinnetdns.com2007-11-05 → 2007-11-05 · 3 obs

● 2007-11-05 13:13:36
○ 2015-08-21 22:50:30
○ 2026-04-08 23:38:04

●NSns11.xincache.com2026-04-07 → 2026-04-08 · 3 obs

○ 2017-05-26 15:56:10
● 2026-04-07 06:42:34
● 2026-04-08 23:38:04

○NSns15.xincache.com2015-08-21 → 2016-07-26 · 5 obs

○ 2007-11-05 13:13:36
● 2015-08-21 22:50:30
● 2016-07-26 10:23:10
○ 2017-05-26 15:56:10
○ 2026-04-08 23:38:04

○NSns16.xincache.com2015-08-21 → 2016-07-26 · 5 obs

○ 2007-11-05 13:13:36
● 2015-08-21 22:50:30
● 2016-07-26 10:23:10
○ 2017-05-26 15:56:10
○ 2026-04-08 23:38:04

●NSns19.xincache.com2017-05-26 → 2026-04-08 · 3 obs

○ 2016-07-26 10:23:10
● 2017-05-26 15:56:10
● 2026-04-08 23:38:04

●NSns20.xincache.com2017-05-26 → 2026-04-08 · 3 obs

○ 2016-07-26 10:23:10
● 2017-05-26 15:56:10
● 2026-04-08 23:38:04

○MXhzmx01.mxmail.netease.com2015-08-21 → 2017-05-26 · 5 obs

○ 2007-11-05 13:13:36
● 2015-08-21 22:50:30
● 2017-05-26 15:56:10
○ 2026-04-07 06:42:34
○ 2026-04-08 23:38:04

○MXhzmx02.mxmail.netease.com2015-08-21 → 2017-05-26 · 5 obs

○ 2007-11-05 13:13:36
● 2015-08-21 22:50:30
● 2017-05-26 15:56:10
○ 2026-04-07 06:42:34
○ 2026-04-08 23:38:04

○MXmail.esttools.com2007-11-05 → 2007-11-05 · 3 obs

● 2007-11-05 13:13:36
○ 2015-08-21 22:50:30
○ 2026-04-08 23:38:04

●MXmxbiz1.qq.com2026-04-07 → 2026-04-08 · 3 obs

○ 2017-05-26 15:56:10
● 2026-04-07 06:42:34
● 2026-04-08 23:38:04

●MXmxbiz2.qq.com2026-04-07 → 2026-04-08 · 3 obs

○ 2017-05-26 15:56:10
● 2026-04-07 06:42:34
● 2026-04-08 23:38:04

●A121.196.236.1412026-04-07 → 2026-04-08 · 3 obs

○ 2015-08-21 22:50:30
● 2026-04-07 06:42:34
● 2026-04-08 23:38:04

○A202.101.42.1202007-11-05 → 2007-11-05 · 3 obs

● 2007-11-05 13:13:36
○ 2015-08-21 22:50:30
○ 2026-04-08 23:38:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
esttools.com	ns19.xincache.com, ns20.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.1

NS records: ns19.xincache.com, ns20.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for esttools.com (unsigned zone)

⏱️ Timing

Total: 843ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.196.236.141`
NS	2	`ns19.xincache.com, ns20.xincache.com`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
TXT	1	`v=spf1 include:spf.mail.qq.com ~all`
SOA	1	`ns11.xincache.com ns12.xincache.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns19.xincache.com, ns19.xincache.com, ns19.xincache.com...)

Analysis

IP Addresses

esttools.com points to a single IP number: 121.196.236.141.

Other host names, for instance suna-opto.com and bfw-solutions.com, share IP numbers with esttools.com.

Name Servers

The domain esttools.com is delegated to three name servers: ns11.xincache.com, ns19.xincache.com and ns20.xincache.com.

esttools.com shares name servers with other domains at least partially, for instance xn--3bs325dprla028w.com, cdzthk.cn, chintiyansolar.com, mye.cn and dlyinze.com.

these name servers are commonly paired with ns12.xincache.com, ns17.xincache.com, ns18.xincache.com, ce1.xincache.com, ce2.xincache.com, ns15.xincache.com, ns16.xincache.com, ns13.xincache.com and ns14.xincache.com.

Host names with 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.

ns19.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.

Host names with seven IP numbers:

ns20.xincache.com points to: 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 112.80.181.111, 117.89.178.184, 129.211.176.239 and 163.177.5.23.

Names that point to 2402:4e00:1470:2::e: ns11.xincache.com and ns19.xincache.com.

Names that point to 2402:4e00:1730::e: ns11.xincache.com and ns19.xincache.com.

Names that point to 1.12.0.4: ns11.xincache.com and ns19.xincache.com.

Names that point to 36.155.149.180: ns11.xincache.com and ns19.xincache.com.

Names that point to 112.80.181.45: ns11.xincache.com and ns19.xincache.com.

Names that point to 117.89.178.173: ns11.xincache.com and ns19.xincache.com.

Names that point to 125.94.59.210: ns11.xincache.com and ns19.xincache.com.

Names that point to 129.211.176.209: ns11.xincache.com and ns19.xincache.com.

Mail Servers

esttools.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

esttools.com shares the same mail server setup as other domains, including cinql.com, xfjddq.com, berait.com, (0x77616e6b)e.cn and ruijichina.com.

esttools.com - robtex.com

esttools.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`esttools.com`

`com`