`letswireless.com.cn`

DNSSEC	⚠️ Not signed
A	43.254.158.33^{🇨🇳 CHINANET-Guangdong-ShenZhen-IDC43.254.156.0/22 DongGuan IDC Network}
NS	`dns21.hichina.com` ⭐
		A	2408:4009:501::29^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.100^{🇨🇳 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	139.224.142.110^{🇨🇳 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	`dns22.hichina.com`
		A	2408:4009:501::30^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.98^{🇨🇳 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	139.224.142.108^{🇨🇳 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	`mxa165b.chinaemail.cn` ⭐
MX	`mx165b.chinaemail.cn`⁽¹⁰⁾
SOA	`dns21.hichina.com`hostmaster@hichina.com 2026-01-09 #13

`com.cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.cn` ⚠️ Not in parent delegation
	NS	`c.dns.cn` ⚠️ Not in parent delegation
	NS	`cns.cernet.net` ⚠️ Not in parent delegation
	NS	`d.dns.cn` ⚠️ Not in parent delegation
	NS	`e.dns.cn` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2030476316

WOT: UNKNOWN (61/100)
WOT: NOT_SAFE (20/100)

Same first word

letswireless.com.cn

DNS History

8 records (5 active, 3 former)

●NSdns21.hichina.com2026-02-27 → 2026-03-25 · 3 obs

○ 2017-03-24 10:01:10
● 2026-02-27 16:33:58
● 2026-03-25 09:47:46

●NSdns22.hichina.com2026-02-27 → 2026-03-25 · 3 obs

○ 2017-03-24 10:01:10
● 2026-02-27 16:33:58
● 2026-03-25 09:47:46

○NSni8dns2015-08-12 → 2016-07-12 · 4 obs

● 2015-08-12 11:21:04
● 2016-07-12 09:54:24
○ 2017-03-24 10:01:10
○ 2026-03-25 09:47:46

○NSni8web2092015-08-12 → 2017-03-24 · 6 obs

● 2015-08-12 11:21:04
○ 2015-12-01 12:05:12
○ 2016-07-12 09:54:24
● 2017-03-24 10:01:10
○ 2026-02-27 16:33:58
○ 2026-03-25 09:47:46

●MXmx165b.chinaemail.cn2015-08-12 → 2026-03-25 · 2 obs

● 2015-08-12 11:21:04
● 2026-03-25 09:47:46

●MXmxa165b.chinaemail.cn2015-08-12 → 2026-03-25 · 2 obs

● 2015-08-12 11:21:04
● 2026-03-25 09:47:46

○A210.83.225.182015-08-12 → 2017-03-24 · 4 obs

● 2015-08-12 11:21:04
● 2017-03-24 10:01:10
○ 2026-02-27 16:33:58
○ 2026-03-25 09:47:46

●A43.254.158.332026-02-27 → 2026-03-25 · 3 obs

○ 2017-03-24 10:01:10
● 2026-02-27 16:33:58
● 2026-03-25 09:47:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
letswireless.com.cn	dns21.hichina.com, dns22.hichina.com	-

✅ Authoritative Response

Server:139.224.142.108

NS records: dns21.hichina.com, dns22.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for letswireless.com.cn (unsigned zone)

⏱️ Timing

Total: 3549ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`43.254.158.33`
NS	2	`dns21.hichina.com, dns22.hichina.com`
MX	2	`mx165b.chinaemail.cn (pri: 10), mxa165b.chinaemail.cn (pri: 5)`
SOA	1	`dns21.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

letswireless.com.cn resolves to one IP number: 43.254.158.33.

other host names including tttsz.com, cabsat.com.cn, weikaida.com, lzgeagle.com and bluestar-mould.com share IP numbers with letswireless.com.cn.

Name Servers

letswireless.com.cn is delegated to two name servers dns21.hichina.com and dns22.hichina.com.

letswireless.com.cn shares the same name server setup as other domains, for instance taovod.com, cpgod.com, njucp.com, dhecard.com and bxdu.cn.

letswireless.com.cn at least partially shares name servers with other domains, for instance mrim.cn, yihaotie.com, ainab.shop and d9940.cn.

These name servers are commonly used alongside expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers:

dns21.hichina.com points to: 2408:4009:501::29, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110.

dns22.hichina.com points to: 2408:4009:501::30, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.

Mail Servers

Two mail servers handle letswireless.com.cn: mx165b.chinaemail.cn and mxa165b.chinaemail.cn.

letswireless.com.cn shares the same mail server setup as other domains, for instance pstdoors.com, sinwe.cn, lianjiaxiang.com, sict.com.cn and hi-ltte.com.

letswireless.com.cn shares some mail servers with other domains, at least partially, for example tt020.com and bouwa.com.

these mail servers are commonly used with the mail servers mail.tt020.com.

letswireless.com.cn - robtex.com