`osr-tech.com`

DNSSEC	⚠️ Not signed
A	39.104.172.202^{🇨🇳 Alibaba-Cloud39.104.0.0/15 CT BeiJing IDC}
NS	`dns7.hichina.com` ⭐
		A	2408:4009:501::15^{🇨🇳 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	`dns8.hichina.com`
		A	2408:4009:501::16^{🇨🇳 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	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=Htj4kZfiIftWxCXlhkIP`
SOA	`dns7.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=1776060412

Same first word

osr-tech.com

Similar names

rs-otech.de

ros-tech.ru

st-roche.myshopify.com

thrs-coe.de

st-roche.com

ros-tech.com

ch-store.ru

recht-so.info

so-recht.de

recht-so.at

recht-so.de

ros-tech.info

DNS History

8 records (6 active, 2 former)

●NSdns7.hichina.com2019-12-15 → 2026-04-13 · 2 obs

● 2019-12-15 21:18:40
● 2026-04-13 06:35:08

●NSdns8.hichina.com2019-12-15 → 2026-04-13 · 2 obs

● 2019-12-15 21:18:40
● 2026-04-13 06:35:08

●MXmx1.feishu.cn2026-04-10 → 2026-04-13 · 3 obs

○ 2019-12-15 21:18:40
● 2026-04-10 22:16:40
● 2026-04-13 06:35:08

●MXmx2.feishu.cn2026-04-10 → 2026-04-13 · 3 obs

○ 2019-12-15 21:18:40
● 2026-04-10 22:16:40
● 2026-04-13 06:35:08

●MXmx3.feishu.cn2026-04-10 → 2026-04-13 · 3 obs

○ 2019-12-15 21:18:40
● 2026-04-10 22:16:40
● 2026-04-13 06:35:08

○MXmxbiz1.qq.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 21:18:40
○ 2026-04-10 22:16:40
○ 2026-04-13 06:35:08

○MXmxbiz2.qq.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 21:18:40
○ 2026-04-10 22:16:40
○ 2026-04-13 06:35:08

●A39.104.172.2022019-12-15 → 2026-04-13 · 2 obs

● 2019-12-15 21:18:40
● 2026-04-13 06:35:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net...	-
osr-tech.com	dns7.hichina.com, dns8.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.44

NS records: dns7.hichina.com, dns8.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for osr-tech.com (unsigned zone)

⏱️ Timing

Total: 935ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`39.104.172.202`
NS	2	`dns8.hichina.com, dns7.hichina.com`
MX	3	`mx3.feishu.cn (pri: 10), mx1.feishu.cn (pri: 1)...`
TXT	2	`v=spf1 +include:_netblocks.m.feishu.cn -, verification-code-site-App_feishu=Htj4kZ`
SOA	1	`dns7.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns7.hichina.com, dns7.hichina.com, dns7.hichina.com...)

Analysis

IP Addresses

osr-tech.com points to a single IP number: 39.104.172.202.

Name Servers

Delegation for osr-tech.com rests with two name servers, dns7.hichina.com and dns8.hichina.com.

osr-tech.com shares the same name server setup as other domains, including 91ydx.com, pondon.net, donghe.gov.cn, guixian.cn and 51rencai.com.

osr-tech.com partially shares name servers with other domains; for instance dalkia.cn, heal.cc and bianca.cn.

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

Host names with nine IP numbers:

dns7.hichina.com points to: 2408:4009:501::15, 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.

dns8.hichina.com points to: 2408:4009:501::16, 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

osr-tech.com is handled by three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

osr-tech.com shares mail servers with other domains at least in part, for instance shutime.cn, dica.cc, 3dxr.com, hongchang.com.cn and coupons4shopping.org.