`51robot.com`

DNSSEC	⚠️ Not signed
NS	`dns15.hichina.com` ⭐
		A	2408:4009:501::23^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.112^{🇨🇳 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	139.224.142.122^{🇨🇳 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	`dns16.hichina.com`
		A	2408:4009:501::24^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.111^{🇨🇳 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	139.224.142.121^{🇨🇳 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	`hzmx01.mxmail.netease.com` ⭐
		A	8.209.70.223^{🇩🇪 Alibaba-Cloud8.209.64.0/19 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	8.209.88.255^{🇩🇪 Alibaba-Cloud8.209.64.0/19 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
MX	`hzmx02.mxmail.netease.com`⁽¹⁰⁾
		A	8.209.70.223^{🇩🇪 Alibaba-Cloud8.209.64.0/19 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	8.209.88.255^{🇩🇪 Alibaba-Cloud8.209.64.0/19 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
SOA	`dns15.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=1776047547

Subdomains

www.51robot.com

Same first word

51robot.com

Similar names

robot51.com

DNS History

17 records (4 active, 13 former)

○NSdns1.iidns.com2015-06-11 → 2016-11-08 · 4 obs

● 2015-06-11 21:57:50
● 2016-11-08 04:31:20
○ 2017-12-28 17:27:08
○ 2026-04-13 02:42:12

●NSdns15.hichina.com2017-12-28 → 2026-04-13 · 3 obs

○ 2016-11-08 04:31:20
● 2017-12-28 17:27:08
● 2026-04-13 02:42:12

●NSdns16.hichina.com2017-12-28 → 2026-04-13 · 3 obs

○ 2016-11-08 04:31:20
● 2017-12-28 17:27:08
● 2026-04-13 02:42:12

○NSdns2.iidns.com2015-06-11 → 2016-11-08 · 4 obs

● 2015-06-11 21:57:50
● 2016-11-08 04:31:20
○ 2017-12-28 17:27:08
○ 2026-04-13 02:42:12

○NSdns3.iidns.com2015-06-11 → 2016-11-08 · 4 obs

● 2015-06-11 21:57:50
● 2016-11-08 04:31:20
○ 2017-12-28 17:27:08
○ 2026-04-13 02:42:12

○NSdns4.iidns.com2015-06-11 → 2016-11-08 · 4 obs

● 2015-06-11 21:57:50
● 2016-11-08 04:31:20
○ 2017-12-28 17:27:08
○ 2026-04-13 02:42:12

○NSdns5.iidns.com2015-06-11 → 2016-11-08 · 4 obs

● 2015-06-11 21:57:50
● 2016-11-08 04:31:20
○ 2017-12-28 17:27:08
○ 2026-04-13 02:42:12

○NSdns6.iidns.com2015-06-11 → 2016-11-08 · 4 obs

● 2015-06-11 21:57:50
● 2016-11-08 04:31:20
○ 2017-12-28 17:27:08
○ 2026-04-13 02:42:12

●MXhzmx01.mxmail.netease.com2026-03-22 → 2026-04-13 · 2 obs

● 2026-03-22 14:36:46
● 2026-04-13 02:42:12

●MXhzmx02.mxmail.netease.com2026-03-22 → 2026-04-13 · 2 obs

● 2026-03-22 14:36:46
● 2026-04-13 02:42:12

○A107.167.19.672015-10-24 → 2015-10-24 · 4 obs

○ 2015-06-11 21:57:50
● 2015-10-24 16:59:40
○ 2017-12-28 17:27:08
○ 2026-04-13 02:42:12

○A107.167.19.682015-10-24 → 2015-10-24 · 4 obs

○ 2015-06-11 21:57:50
● 2015-10-24 16:59:40
○ 2017-12-28 17:27:08
○ 2026-04-13 02:42:12

○A107.167.19.692015-10-24 → 2015-10-24 · 4 obs

○ 2015-06-11 21:57:50
● 2015-10-24 16:59:40
○ 2017-12-28 17:27:08
○ 2026-04-13 02:42:12

○A107.167.19.702015-10-24 → 2015-10-24 · 4 obs

○ 2015-06-11 21:57:50
● 2015-10-24 16:59:40
○ 2017-12-28 17:27:08
○ 2026-04-13 02:42:12

○A198.148.92.872015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 21:57:50
○ 2017-12-28 17:27:08
○ 2026-04-13 02:42:12

○A198.148.92.882015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 21:57:50
○ 2017-12-28 17:27:08
○ 2026-04-13 02:42:12

○CNAMEcs.ename.net2015-06-11 → 2016-11-08 · 6 obs

● 2015-06-11 21:57:50
● 2015-10-24 16:59:40
○ 2016-04-05 06:25:58
● 2016-11-08 04:31:20
○ 2017-12-28 17:27:08
○ 2026-04-13 02:42:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
51robot.com	dns15.hichina.com, dns16.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.41

NS records: dns15.hichina.com, dns16.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51robot.com (unsigned zone)

⏱️ Timing

Total: 588ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns15.hichina.com, dns16.hichina.com`
MX	2	`hzmx01.mxmail.netease.com (pri: 5), hzmx02.mxmail.netease.com (pri: 10)`
SOA	1	`dns15.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns15.hichina.com, dns15.hichina.com, dns15.hichina.com...)

Analysis

Hierarchy

51robot.com is a parent of www.51robot.com.

Name Servers

51robot.com is delegated to two name servers: dns15.hichina.com and dns16.hichina.com.

51robot.com uses the same name server setup as other domains, including shishi.city, bofumotor.com, ynjzsj.com, soulboxgame.com and ho-lly.com.

At least part of the name servers for 51robot.com are shared with other domains, for instance angxefksdj.cn, kaerma.com, intl-smart.com, trendyhabits.shop and dgpengbo.com.

These name servers are commonly used with expirens3.hichina.com, expirens4.hichina.com, dns10.hichina.com and dns9.hichina.com.

Host names with nine IP numbers:

dns15.hichina.com points to: 2408:4009:501::23, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.

dns16.hichina.com points to: 2408:4009:501::24, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.

Mail Servers

51robot.com is handled by two mail servers: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.

51robot.com uses the same mail server setup as other domains, for instance nuoa.cn, canoly.com, sainoz.com, csust.edu.cn and easthospital.cn.

51robot.com shares some mail servers with other domains at least partially, for example sichtech.com, fato.cn and maienzx.com.

Host names with two IP numbers:

hzmx01.mxmail.netease.com points to 8.209.70.223 and 8.209.88.255.

hzmx02.mxmail.netease.com points to 8.209.70.223 and 8.209.88.255.

Names pointing to 8.209.70.223: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.

Names pointing to 8.209.88.255: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.

51robot.com - robtex.com

51robot.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

`51robot.com`

`com`