`linnotech.com`

DNSSEC	⚠️ Not signed
A	47.251.36.62^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
NS	`dns17.hichina.com` ⭐
		A	2408:4009:501::25^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-40.defastlink.net`
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-60.defastlink.net`
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-200.defastlink.net`
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-220.defastlink.net`
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-40.defastlink.net`
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-60.defastlink.net`
		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,}
			PTR	`ip-139-224-142-100.defastlink.net`
		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,}
			PTR	`ip-139-224-142-110.defastlink.net`
NS	`dns18.hichina.com`
		A	2408:4009:501::26^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-38.defastlink.net`
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-61.defastlink.net`
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-198.defastlink.net`
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-222.defastlink.net`
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-38.defastlink.net`
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-61.defastlink.net`
		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,}
			PTR	`ip-139-224-142-98.defastlink.net`
		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,}
			PTR	`ip-139-224-142-108.defastlink.net`
MX	`qiye163mx01.mxmail.netease.com` ⭐
		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}
MX	`qiye163mx02.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	`dns17.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=1771291435

Subdomains

www.linnotech.com

Same first word

linnotech.com

Similar names

DNS History

11 records (5 active, 6 former)

○NSdns10.hichina.com2016-06-29 → 2016-06-29 · 4 obs

○ 2016-03-03 08:19:46
● 2016-06-29 01:03:42
○ 2020-01-23 05:24:34
○ 2026-03-23 06:59:50

●NSdns17.hichina.com2020-01-23 → 2026-03-23 · 3 obs

○ 2016-06-29 01:03:42
● 2020-01-23 05:24:34
● 2026-03-23 06:59:50

●NSdns18.hichina.com2020-01-23 → 2026-03-23 · 3 obs

○ 2016-06-29 01:03:42
● 2020-01-23 05:24:34
● 2026-03-23 06:59:50

○NSdns9.hichina.com2016-06-29 → 2016-06-29 · 4 obs

○ 2016-03-03 08:19:46
● 2016-06-29 01:03:42
○ 2020-01-23 05:24:34
○ 2026-03-23 06:59:50

○NSns1.72dns.com2015-08-01 → 2016-03-03 · 4 obs

● 2015-08-01 11:24:56
● 2016-03-03 08:19:46
○ 2016-06-29 01:03:42
○ 2026-03-23 06:59:50

○NSns2.idc1.cn2015-08-01 → 2016-03-03 · 4 obs

● 2015-08-01 11:24:56
● 2016-03-03 08:19:46
○ 2016-06-29 01:03:42
○ 2026-03-23 06:59:50

●MXqiye163mx01.mxmail.netease.com2015-08-01 → 2026-03-23 · 2 obs

● 2015-08-01 11:24:56
● 2026-03-23 06:59:50

●MXqiye163mx02.mxmail.netease.com2015-08-01 → 2026-03-23 · 2 obs

● 2015-08-01 11:24:56
● 2026-03-23 06:59:50

○A174.37.147.222015-08-01 → 2016-06-29 · 4 obs

● 2015-08-01 11:24:56
● 2016-06-29 01:03:42
○ 2020-01-23 05:24:34
○ 2026-03-23 06:59:50

○A39.109.96.2192020-01-23 → 2020-01-23 · 4 obs

○ 2016-06-29 01:03:42
● 2020-01-23 05:24:34
○ 2026-02-21 21:02:06
○ 2026-03-23 06:59:50

●A47.251.36.622026-02-21 → 2026-03-23 · 3 obs

○ 2020-01-23 05:24:34
● 2026-02-21 21:02:06
● 2026-03-23 06:59:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net...	-
linnotech.com	dns17.hichina.com, dns18.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.38

NS records: dns17.hichina.com, dns18.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linnotech.com (unsigned zone)

⏱️ Timing

Total: 3695ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.251.36.62`
NS	2	`dns18.hichina.com, dns17.hichina.com`
MX	2	`qiye163mx01.mxmail.netease.com (pri: 5), qiye163mx02.mxmail.netease.com (pri: 10)`
TXT	1	`v=spf1 include:spf.163.com -all`
SOA	1	`dns17.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns17.hichina.com, dns17.hichina.com, dns17.hichina.com...)

Analysis

Hierarchy

The parent of www.linnotech.com is linnotech.com.

IP Addresses

linnotech.com points to an IP address: 47.251.36.62.

Other host names, for instance www.linnotech.com, share IP numbers with linnotech.com.

Name Servers

Two name servers dns17.hichina.com and dns18.hichina.com handle the delegation for linnotech.com.

linnotech.com shares the same name server setup as other domains, for instance zzpkj.com, sjnxs.cn, jjttjx.com, shsfac.com and jsfululu.cn.

linnotech.com at least partially shares name servers with other domains, such as sdm.cn, snuhvn.store and itzyr.com.

These name servers are commonly used with ns1.alidns.com and ns2.alidns.com.

Host names with nine IP numbers:

dns17.hichina.com points to: 2408:4009:501::25, 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.

dns18.hichina.com points to: 2408:4009:501::26, 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

linnotech.com is handled by two mail servers: qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com.

linnotech.com uses the same mail server setup as other domains, for instance mtt.com.hk, yappam.com, shwishi.com, gdjygx.com and fosinlin.com.

linnotech.com shares at least partially some mail servers with other domains, for instance wellpcb.com, zba.org.cn, polyro.com, owenchem.com and creativehome.net.

Host names with two IP numbers:

qiye163mx01.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126

qiye163mx02.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126

Names pointing to 47.251.71.119: qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com

Names pointing to 47.251.84.126: qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com

linnotech.com - robtex.com

linnotech.com

com