`tzsansen.cn`

DNSSEC	⚠️ Not signed
NS	`dm1.longmingdns.com` ⭐
		A	218.98.111.163^{🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
NS	`dm2.longmingdns.com`
		A	183.253.57.197^{🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route)}
		A	211.99.99.56^{🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object}
SOA	`dm1.longmingdns.com`dnsadmin@longmingdns.com serial=1781196676

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn 2035-03-14 #63

Same first word

tzsansen.cn

Similar names

sztansen.com

DNS History

2 records (2 active, 0 former)

●NSdm1.longmingdns.com2026-06-27 → 2026-07-12 · 2 obs

● 2026-06-27 10:01:46
● 2026-07-12 07:26:06

●NSdm2.longmingdns.com2026-06-27 → 2026-07-12 · 2 obs

● 2026-06-27 10:01:46
● 2026-07-12 07:26:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, c.dns.cn, d.dns.cn, e.dns.cn...	-
tzsansen.cn	dm1.longmingdns.com, dm2.longmingdns.com	-

✅ Authoritative Response

Server:218.98.111.163

NS records: dm1.longmingdns.com, dm2.longmingdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tzsansen.cn (unsigned zone)

⏱️ Timing

Total: 4489ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dm1.longmingdns.com, dm2.longmingdns.com`
SOA	1	`dm1.longmingdns.com dnsadmin.longmingdns`

Analysis

Name Servers

tzsansen.cn has two authoritative name servers — dm1.longmingdns.com and dm2.longmingdns.com.

tzsansen.cn has the same name server delegation as a number of other domains, such as 5cdv8n.cn, adock.cn, sxjmzx.cn and two more.

Hosts with two IP numbers each:

dm2.longmingdns.com resolves to 183.253.57.197 and 211.99.99.56.

Hosts that resolve to one IP address:

dm1.longmingdns.com resolves to 218.98.111.163.

tzsansen.cn - robtex.com

tzsansen.cn

cn