`737271.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=1781195228

`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 serial=2035048609

Same first word

737271.cn

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DNS History

10 records (2 active, 8 former)

●NSdm1.longmingdns.com2026-05-18 → 2026-07-16 · 3 obs

○ 2020-01-11 01:36:20
● 2026-05-18 07:05:40
● 2026-07-16 23:01:54

●NSdm2.longmingdns.com2026-05-18 → 2026-07-16 · 3 obs

○ 2020-01-11 01:36:20
● 2026-05-18 07:05:40
● 2026-07-16 23:01:54

○NSdns13.hichina.com2020-01-11 → 2020-01-11 · 3 obs

● 2020-01-11 01:36:20
○ 2026-05-18 07:05:40
○ 2026-07-16 23:01:54

○NSdns14.hichina.com2020-01-11 → 2020-01-11 · 3 obs

● 2020-01-11 01:36:20
○ 2026-05-18 07:05:40
○ 2026-07-16 23:01:54

○A103.7.31.1882016-01-25 → 2016-04-22 · 5 obs

○ 2015-11-03 05:11:26
● 2016-01-25 12:01:48
● 2016-04-22 10:23:12
○ 2020-01-11 01:36:20
○ 2026-07-16 23:01:54

○A121.14.125.522015-11-03 → 2015-11-03 · 3 obs

● 2015-11-03 05:11:26
○ 2016-01-25 12:01:48
○ 2026-07-16 23:01:54

○A177.211.160.1112026-05-18 → 2026-05-18 · 3 obs

○ 2020-01-11 01:36:20
● 2026-05-18 07:05:40
○ 2026-07-16 23:01:54

○A47.74.57.1402020-01-11 → 2020-01-11 · 4 obs

○ 2016-04-22 10:23:12
● 2020-01-11 01:36:20
○ 2026-05-18 07:05:40
○ 2026-07-16 23:01:54

○CNAMEaps0550.qq.com2016-01-25 → 2016-04-22 · 5 obs

○ 2015-11-03 05:11:26
● 2016-01-25 12:01:48
● 2016-04-22 10:23:12
○ 2020-01-11 01:36:20
○ 2026-07-16 23:01:54

○CNAMEid.qzone.qq.com2015-11-03 → 2016-04-22 · 4 obs

● 2015-11-03 05:11:26
● 2016-04-22 10:23:12
○ 2020-01-11 01:36:20
○ 2026-07-16 23:01:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
737271.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 737271.cn (unsigned zone)

⏱️ Timing

Total: 1647ms | Queries: -

📄 Records

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

Analysis

Name Servers

737271.cn is served by two delegated name servers, dm1.longmingdns.com and dm2.longmingdns.com.

737271.cn uses the same name servers as several other domains — among them haosheji123.cn, zygh.org.cn, bxtbs.cn and two more.

Hostnames that resolve to two IP addresses:

dm2.longmingdns.com maps to two IP addresses — 183.253.57.197 and 211.99.99.56.

Hosts with just one IP address:

dm1.longmingdns.com points to the IP address 218.98.111.163.

737271.cn - robtex.com

737271.cn

cn