`cnbuilder.cn`

A	140.188.220.82^{🇺🇸 PEGTECHINC140.188.192.0/19 PEG TECH INC}
NS	`dm1.longmingdns.com`
		A	218.98.111.163^{🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
			PTR	`ip-218-98-111-163.defastlink.net`
NS	`dm2.longmingdns.com`
		A	183.253.57.197^{🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route)}
			PTR	`ip-183-253-57-197.defastlink.net`
		A	211.99.99.56^{🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object}
			PTR	`ip-211-99-99-56.defastlink.net`

`cn`

	DNSSEC	⚠️ Not signed
	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 serial=2034456417

Subdomains

blog.cnbuilder.cn

Same first word

cnbuilder.cn

cnbuilder.com

Similar names

cduberlin.de

blindcure.com

dinerclub.net

dinerclub.co.za

clubdiner.com

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
cnbuilder.cn	dm1.longmingdns.com, dm2.longmingdns.com	-

✅ Authoritative Response

Server: 183.253.57.197

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cnbuilder.cn (unsigned zone)

⏱️ Timing

Total: 4922ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`140.188.220.82`
NS	2	`dm1.longmingdns.com, dm2.longmingdns.com`
SOA	1	`dm1.longmingdns.com dnsadmin.longmingdns`

Analysis

Hierarchy

The parent of blog.cnbuilder.cn is cnbuilder.cn.

IP Addresses

cnbuilder.cn points to IP number: 140.188.220.82.

Other host names, for instance blog.cnbuilder.cn share IP numbers with cnbuilder.cn.

Name Servers

cnbuilder.cn is delegated to two name servers: dm1.longmingdns.com and dm2.longmingdns.com.

cnbuilder.cn shares the same name server setup as nuzx.cn, 82381.cn, richbyte.com.cn, meipe.cn and ypaitrr.cn.

Host names with two IP numbers:

dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.

Host names with one IP number:

dm1.longmingdns.com points to 218.98.111.163.

cnbuilder.cn - robtex.com

cnbuilder.cn

cn