`dentalsuctionunit.com`

DNSSEC	⚠️ Not signed
A	162.246.254.236^{🇺🇸 CharterComm-HOSTIRIAN162.246.248.0/21 CHTR-HOSTIRIAN-Central}
		PTR	`mail.treedental.com`
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,}
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=1774810697

Same first word

dentalsuctionunit.com

DNS History

8 records (3 active, 5 former)

●NSdns21.hichina.com2026-02-18 → 2026-03-29 · 3 obs

○ 2018-01-21 22:46:18
● 2026-02-18 16:09:56
● 2026-03-29 19:11:48

●NSdns22.hichina.com2026-02-18 → 2026-03-29 · 3 obs

○ 2018-01-21 22:46:18
● 2026-02-18 16:09:56
● 2026-03-29 19:11:48

○NSns25.domaincontrol.com2017-01-04 → 2018-01-21 · 4 obs

● 2017-01-04 21:59:08
● 2018-01-21 22:46:18
○ 2026-02-18 16:09:56
○ 2026-03-29 19:11:48

○NSns26.domaincontrol.com2017-01-04 → 2018-01-21 · 4 obs

● 2017-01-04 21:59:08
● 2018-01-21 22:46:18
○ 2026-02-18 16:09:56
○ 2026-03-29 19:11:48

○MXmailstore1.secureserver.net2017-01-04 → 2018-01-21 · 4 obs

● 2017-01-04 21:59:08
● 2018-01-21 22:46:18
○ 2026-02-18 16:09:56
○ 2026-03-29 19:11:48

○MXsmtp.secureserver.net2017-01-04 → 2018-01-21 · 4 obs

● 2017-01-04 21:59:08
● 2018-01-21 22:46:18
○ 2026-02-18 16:09:56
○ 2026-03-29 19:11:48

●A162.246.254.2362026-02-18 → 2026-03-29 · 3 obs

○ 2018-01-21 22:46:18
● 2026-02-18 16:09:56
● 2026-03-29 19:11:48

○A184.168.221.182017-01-04 → 2018-01-21 · 4 obs

● 2017-01-04 21:59:08
● 2018-01-21 22:46:18
○ 2026-02-18 16:09:56
○ 2026-03-29 19:11:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net...	-
dentalsuctionunit.com	dns21.hichina.com, dns22.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.40

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dentalsuctionunit.com (unsigned zone)

⏱️ Timing

Total: 853ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.246.254.236`
NS	2	`dns21.hichina.com, dns22.hichina.com`
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

IP Addresses

dentalsuctionunit.com maps to IP address 162.246.254.236.

Other host names, for instance e-treedental.com, handpiecedental.com, mobiledentalunits.com, dentalpins.com and dentalbib.com share IP numbers with dentalsuctionunit.com.

Name Servers

Two name servers dns21.hichina.com and dns22.hichina.com are delegated to dentalsuctionunit.com.

dentalsuctionunit.com uses the same name server configuration as other domains, such as rockover.com, zhixiang.com, qqjinpai.com, teleya.cn and www-xinyue.com.

dentalsuctionunit.com at least partially shares name servers with other domains such as feiniaozu.com.cn, b3n.cn, gzthby.com, bpsworld.com and gemsky.com.cn.

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

Two hosts with nine IPs each:

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.

Host 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.

dentalsuctionunit.com - robtex.com