`tiercertified.com`

DNSSEC	⚠️ Not signed
A	50.116.18.143^{🇺🇸 AKAMAI-LINODE-AP50.116.16.0/20 Akamai Technologies}
		PTR	`50-116-18-143.ip.linodeusercontent.com`
NS	`dns.bizcn.com` ⭐
		A	240c:4082:ffff:ff01:0:d:0:34a^{🇨🇳 Baidu240c:4082::/32}
		A	61.172.183.76^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
		A	61.240.129.114^{🇨🇳 CHINA169-Backbone61.240.128.0/19 CMI (Customer Route)}
NS	`ns3.cnmsn.com`
		A	159.138.136.27^{🇭🇰 HWCSNET159.138.128.0/20 HUAWEI INTERNATIONAL PTE. LTD. 15A Changi Business Park Central 1 Eightrium 03-03/04}
			PTR	`ecs-159-138-136-27.compute.hwclouds-dns.com`
NS	`ns4.cnmsn.com`
		A	154.85.61.243^{🇺🇸 BAIDU-1154.85.56.0/21 AS55967}
SOA	`dns.bizcn.com`dnsconct@bizcn.com serial=1770785476

`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=1776222322

📈 Tranco rank: #417,949

Same first word

tiercertified.com

DNS History

4 records (4 active, 0 former)

●NSdns.bizcn.com2026-03-28 → 2026-04-15 · 2 obs

● 2026-03-28 09:31:14
● 2026-04-15 03:20:00

●NSns3.cnmsn.com2026-03-28 → 2026-04-15 · 2 obs

● 2026-03-28 09:31:14
● 2026-04-15 03:20:00

●NSns4.cnmsn.com2026-03-28 → 2026-04-15 · 2 obs

● 2026-03-28 09:31:14
● 2026-04-15 03:20:00

●A50.116.18.1432026-03-28 → 2026-04-15 · 2 obs

● 2026-03-28 09:31:14
● 2026-04-15 03:20:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
tiercertified.com	ns3.cnmsn.com, ns4.cnmsn.com	2 records

✅ Authoritative Response

Server:154.85.61.243

NS records: ns3.cnmsn.com, ns4.cnmsn.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tiercertified.com (unsigned zone)

⏱️ Timing

Total: 490ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.116.18.143`
NS	2	`ns3.cnmsn.com, ns4.cnmsn.com`
SOA	1	`dns.bizcn.com dnsconct.bizcn.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.cnmsn.com, ns4.cnmsn.com)

Analysis

IP Addresses

tiercertified.com points to IP number: 50.116.18.143.

Other host names, for instance 50-116-18-143.ip.linodeusercontent.com share IP numbers with tiercertified.com.

Name Servers

tiercertified.com is delegated to three name servers: dns.bizcn.com, ns3.cnmsn.com and ns4.cnmsn.com.

tiercertified.com at least partially shares name servers with other domains, for instance nine-westromania.com, kiddypro.com, fjpr.com.cn, ssschr.com and atfl.cn.

These name servers are commonly used with ns1.dns.com.cn, ns2.dns.com.cn, ns7.cnmsn.net, ns8.cnmsn.net, dns.cnmsn.net, ns13.dns.com.cn, ns14.dns.com.cn, ns5.cnmsn.net and ns6.cnmsn.net.

Host names with three IP numbers:

dns.bizcn.com points to: 240c:4082:ffff:ff01:0:d:0:34a, 61.172.183.76 and 61.240.129.114.

Host names with one IP number:

ns3.cnmsn.com points to: 159.138.136.27.

ns4.cnmsn.com points to: 154.85.61.243.

tiercertified.com - robtex.com