`randmind.com`

DNSSEC	⚠️ Not signed
NS	`dns3.hichina.com` ⭐
		A	2408:4009:501::11^{🇨🇳 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	`dns4.hichina.com`
		A	2408:4009:501::12^{🇨🇳 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	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`verification-code-site-App_feishu=ahQ1aUZ7t6XW28uI5M0U`
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
SOA	`dns3.hichina.com`hostmaster@hichina.com 2026-01-09 #13

`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=1774527857

Same first word

randmind.com

DNS History

19 records (5 active, 14 former)

●NSdns3.hichina.com2026-02-17 → 2026-03-26 · 3 obs

○ 2017-04-09 14:20:12
● 2026-02-17 08:18:44
● 2026-03-26 12:25:26

●NSdns4.hichina.com2026-02-17 → 2026-03-26 · 3 obs

○ 2017-04-09 14:20:12
● 2026-02-17 08:18:44
● 2026-03-26 12:25:26

○NSns-cloud-b1.googledomains.com2016-03-30 → 2016-09-19 · 5 obs

○ 2015-10-16 15:20:50
● 2016-03-30 22:59:40
● 2016-09-19 07:09:22
○ 2017-04-09 14:20:12
○ 2026-03-26 12:25:26

○NSns-cloud-b2.googledomains.com2016-03-30 → 2016-09-19 · 5 obs

○ 2015-10-16 15:20:50
● 2016-03-30 22:59:40
● 2016-09-19 07:09:22
○ 2017-04-09 14:20:12
○ 2026-03-26 12:25:26

○NSns-cloud-b3.googledomains.com2016-03-30 → 2016-09-19 · 5 obs

○ 2015-10-16 15:20:50
● 2016-03-30 22:59:40
● 2016-09-19 07:09:22
○ 2017-04-09 14:20:12
○ 2026-03-26 12:25:26

○NSns-cloud-b4.googledomains.com2016-03-30 → 2016-09-19 · 5 obs

○ 2015-10-16 15:20:50
● 2016-03-30 22:59:40
● 2016-09-19 07:09:22
○ 2017-04-09 14:20:12
○ 2026-03-26 12:25:26

○NSns43.domaincontrol.com2008-03-12 → 2008-03-12 · 3 obs

● 2008-03-12 00:41:24
○ 2015-10-16 15:20:50
○ 2026-03-26 12:25:26

○NSns44.domaincontrol.com2008-03-12 → 2008-03-12 · 3 obs

● 2008-03-12 00:41:24
○ 2015-10-16 15:20:50
○ 2026-03-26 12:25:26

●MXmx1.feishu.cn2026-02-17 → 2026-03-26 · 2 obs

● 2026-02-17 08:18:44
● 2026-03-26 12:25:26

●MXmx2.feishu.cn2026-02-17 → 2026-03-26 · 2 obs

● 2026-02-17 08:18:44
● 2026-03-26 12:25:26

●MXmx3.feishu.cn2026-02-17 → 2026-03-26 · 2 obs

● 2026-02-17 08:18:44
● 2026-03-26 12:25:26

○A2001:4860:4802:32::152016-03-30 → 2016-09-19 · 4 obs

● 2016-03-30 22:59:40
● 2016-09-19 07:09:22
○ 2017-04-09 14:20:12
○ 2026-03-26 12:25:26

○A2001:4860:4802:34::152016-03-30 → 2016-09-19 · 4 obs

● 2016-03-30 22:59:40
● 2016-09-19 07:09:22
○ 2017-04-09 14:20:12
○ 2026-03-26 12:25:26

○A2001:4860:4802:36::152016-03-30 → 2016-09-19 · 4 obs

● 2016-03-30 22:59:40
● 2016-09-19 07:09:22
○ 2017-04-09 14:20:12
○ 2026-03-26 12:25:26

○A2001:4860:4802:38::152016-03-30 → 2016-09-19 · 4 obs

● 2016-03-30 22:59:40
● 2016-09-19 07:09:22
○ 2017-04-09 14:20:12
○ 2026-03-26 12:25:26

○A216.239.32.212016-03-30 → 2016-09-19 · 4 obs

● 2016-03-30 22:59:40
● 2016-09-19 07:09:22
○ 2017-04-09 14:20:12
○ 2026-03-26 12:25:26

○A216.239.34.212016-03-30 → 2016-09-19 · 4 obs

● 2016-03-30 22:59:40
● 2016-09-19 07:09:22
○ 2017-04-09 14:20:12
○ 2026-03-26 12:25:26

○A216.239.36.212016-03-30 → 2016-09-19 · 4 obs

● 2016-03-30 22:59:40
● 2016-09-19 07:09:22
○ 2017-04-09 14:20:12
○ 2026-03-26 12:25:26

○A216.239.38.212016-03-30 → 2016-09-19 · 4 obs

● 2016-03-30 22:59:40
● 2016-09-19 07:09:22
○ 2017-04-09 14:20:12
○ 2026-03-26 12:25:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
randmind.com	dns3.hichina.com, dns4.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.43

NS records: dns3.hichina.com, dns4.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for randmind.com (unsigned zone)

⏱️ Timing

Total: 3590ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns4.hichina.com, dns3.hichina.com`
MX	3	`mx1.feishu.cn (pri: 1), mx2.feishu.cn (pri: 5)...`
TXT	2	`verification-code-site-App_feishu=ahQ1aU, v=spf1 +include:_netblocks.m.feishu.cn -`
SOA	1	`dns3.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns3.hichina.com, dns3.hichina.com, dns3.hichina.com...)

Analysis

Name Servers

randmind.com's delegation uses two name servers: dns3.hichina.com and dns4.hichina.com.

randmind.com uses the same name server setup as other domains, such as club-18.com, youctrl.cn, hwhuyu.com, cnnbzc.com and gekon.cn.

randmind.com at least partially shares name servers with other domains, including pydown.cn, qumozhe.com, hnbc.com.cn, jhwckqyy.com and mrints.com.

These name servers are often used with expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers: The host name dns3.hichina.com points to 2408:4009:501::11, 39.96.153.43, 39.96.153.63, 47.118.199.203, 47.118.199.213, 120.76.107.43, 120.76.107.63, 139.224.142.113 and 139.224.142.123. The host name dns4.hichina.com points to 2408:4009:501::12, 39.96.153.44, 39.96.153.54, 47.118.199.204, 47.118.199.214, 120.76.107.44, 120.76.107.54, 139.224.142.114 and 139.224.142.124.

Mail Servers

Three mail servers handle randmind.com: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

randmind.com shares at least some mail servers with other domains, for example sjo.com.cn, heycheng.com, anlilaw.com, adx.cn and mhive.cn.