`57iot.com`

DNSSEC	⚠️ Not signed
A	123.59.154.172^{🇨🇳 CHINA169-BJ123.59.128.0/19 CloudVsp.Inc}
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	`hzmx01.mxmail.netease.com` ⭐
MX	`hzmx02.mxmail.netease.com`⁽¹⁰⁾
		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	`dns3.hichina.com`hostmaster@hichina.com 2026-06-04 #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=1784694067

Same first word

57iot.com

DNS History

6 records (5 active, 1 former)

●NSdns3.hichina.com2017-08-10 → 2026-07-22 · 2 obs

● 2017-08-10 00:09:38
● 2026-07-22 04:35:04

●NSdns4.hichina.com2017-08-10 → 2026-07-22 · 2 obs

● 2017-08-10 00:09:38
● 2026-07-22 04:35:04

●MXhzmx01.mxmail.netease.com2026-04-14 → 2026-07-22 · 2 obs

● 2026-04-14 01:47:44
● 2026-07-22 04:35:04

●MXhzmx02.mxmail.netease.com2026-04-14 → 2026-07-22 · 2 obs

● 2026-04-14 01:47:44
● 2026-07-22 04:35:04

●A123.59.154.1722026-04-14 → 2026-07-22 · 3 obs

○ 2017-08-10 00:09:38
● 2026-04-14 01:47:44
● 2026-07-22 04:35:04

○A47.89.58.322017-08-10 → 2017-08-10 · 3 obs

● 2017-08-10 00:09:38
○ 2026-04-14 01:47:44
○ 2026-07-22 04:35:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
57iot.com	dns3.hichina.com, dns4.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.44

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 57iot.com (unsigned zone)

⏱️ Timing

Total: 3507ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`123.59.154.172`
NS	2	`dns3.hichina.com, dns4.hichina.com`
MX	2	`hzmx02.mxmail.netease.com (pri: 10), hzmx01.mxmail.netease.com (pri: 5)`
TXT	1	`v=spf1 include:spf.163.com -all`
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

IP Addresses

57iot.com points to a single IP number: 123.59.154.172.

Additional host names — wyjl.cn, wanbanglaser.com, hnjgjj.com and two others — share IP numbers with 57iot.com.

Name Servers

The NS records for 57iot.com delegate to dns3.hichina.com and dns4.hichina.com.

57iot.com shares its name server setup with other domains, including ssyl.cn, ailanjing.com, b-l.link and two others.

There is at least partial name server overlap between 57iot.com and other domains — cfhigy.com, ahyebo.com, focevi.com and two more among them.

These name servers frequently co-occur with the name servers expirens3.hichina.com and expirens4.hichina.com.

Host names with 9 IP numbers:

dns3.hichina.com maps to 39.96.153.43, 39.96.153.63, 47.118.199.203 and 6 additional IP addresses.

dns4.hichina.com maps to 39.96.153.44, 39.96.153.54, 47.118.199.204 and 6 additional IP addresses.

Mail Servers

57iot.com has two mail servers: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.

57iot.com shares the same mail server setup as other domains, including esonics.cn, vancharli.com, jstuoyuan.com and two others.

57iot.com partially shares its mail servers with other domains; known examples include saintsea.net, 126qiyeyou.com and aotos.com.

Host names with two IP numbers:

The A records for hzmx02.mxmail.netease.com return 47.251.71.119 and 47.251.84.126.

57iot.com - robtex.com

57iot.com

com