`quantu-medtech.com`

DNSSEC	⚠️ Not signed
A	120.133.2.80^{🇨🇳 CMNET-BEIJING-AP120.133.0.0/20 CMI (Customer Route)}
A	122.112.229.210^{🇨🇳 HWCSNET122.112.224.0/19 Huawei Technologies Co., Ltd}
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	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
SOA	`dns21.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=1777243041

Subdomains

mail.quantu-medtech.com

Same first word

quantu-medtech.com

DNS History

7 records (6 active, 1 former)

●NSdns21.hichina.com2017-08-10 → 2026-04-26 · 2 obs

● 2017-08-10 20:41:38
● 2026-04-26 22:54:02

●NSdns22.hichina.com2017-08-10 → 2026-04-26 · 2 obs

● 2017-08-10 20:41:38
● 2026-04-26 22:54:02

○MXmail.quantu-medtech.com2017-08-10 → 2017-08-10 · 3 obs

● 2017-08-10 20:41:38
○ 2026-03-26 20:46:44
○ 2026-04-26 22:54:02

●MXmxbiz1.qq.com2026-03-26 → 2026-04-26 · 3 obs

○ 2017-08-10 20:41:38
● 2026-03-26 20:46:44
● 2026-04-26 22:54:02

●MXmxbiz2.qq.com2026-03-26 → 2026-04-26 · 3 obs

○ 2017-08-10 20:41:38
● 2026-03-26 20:46:44
● 2026-04-26 22:54:02

●A120.133.2.802026-03-26 → 2026-04-26 · 3 obs

○ 2017-08-10 20:41:38
● 2026-03-26 20:46:44
● 2026-04-26 22:54:02

●A122.112.229.2102017-08-10 → 2026-04-26 · 2 obs

● 2017-08-10 20:41:38
● 2026-04-26 22:54:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
quantu-medtech.com	dns21.hichina.com, dns22.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.38

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for quantu-medtech.com (unsigned zone)

⏱️ Timing

Total: 580ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`120.133.2.80, 122.112.229.210`
NS	2	`dns22.hichina.com, dns21.hichina.com`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)`
SOA	1	`dns21.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns21.hichina.com, dns21.hichina.com, dns21.hichina.com...)

Analysis

Hierarchy

The parent of mail.quantu-medtech.com is quantu-medtech.com.

IP Addresses

quantu-medtech.com points to two IP numbers: 120.133.2.80 and 122.112.229.210.

Other host names such as arthouses.cn, gzwxjs.com, www.jcdn.com.cn, sgms.com.cn and qdceqi.com share IPs with quantu-medtech.com.

Name Servers

quantu-medtech.com is delegated to two name servers: dns21.hichina.com and dns22.hichina.com.

quantu-medtech.com shares the same name server setup as giif.com.cn, newmass.net, whjyqc.com, popnz.com and cyzgc.com.

quantu-medtech.com at least partially shares name servers with other domains, for instance sanding-electric.cn, rmvsm.com, szhra.org, trendyrola.com and jiangduluntan.com.

these name servers are commonly used with ns1.alidns.com, ns2.alidns.com, expirens3.hichina.com and expirens4.hichina.com.

Nine IP numbers per host:

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

quantu-medtech.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

The mail server setup for quantu-medtech.com matches that of other domains, for instance duodeng.com, dsic.cn, hnhrcy.com, wincargo.com and cngolf.tv.

quantu-medtech.com shares some mail servers with other domains, at least in part, for instance peifu.net.

quantu-medtech.com - robtex.com