`a1972.cn`

DNSSEC	⚠️ Not signed
A	38.238.200.42^{🇺🇸 HDHK38.238.192.0/20}
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=1773236337

`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=2034774056

Same first word

a1972.cn

Similar names

17a29.com

1297a.com

a9271.com

a9712.com

DNS History

5 records (3 active, 2 former)

●NSdm1.longmingdns.com2026-03-01 → 2026-05-10 · 2 obs

● 2026-03-01 21:02:44
● 2026-05-10 10:33:42

●NSdm2.longmingdns.com2026-03-01 → 2026-05-10 · 2 obs

● 2026-03-01 21:02:44
● 2026-05-10 10:33:42

●A38.238.200.422026-03-22 → 2026-05-10 · 3 obs

○ 2026-03-03 08:04:58
● 2026-03-22 12:51:52
● 2026-05-10 10:33:42

○A45.197.79.1332020-03-16 → 2020-03-16 · 3 obs

● 2020-03-16 06:33:46
○ 2026-03-01 21:02:44
○ 2026-05-10 10:33:42

○A45.199.8.2342026-03-01 → 2026-03-03 · 5 obs

○ 2020-03-16 06:33:46
● 2026-03-01 21:02:44
● 2026-03-03 08:04:58
○ 2026-03-22 12:51:52
○ 2026-05-10 10:33:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
a1972.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 a1972.cn (unsigned zone)

⏱️ Timing

Total: 2064ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.238.200.42`
NS	2	`dm1.longmingdns.com, dm2.longmingdns.com`
SOA	1	`dm1.longmingdns.com dnsadmin.longmingdns`

Analysis

IP Addresses

a1972.cn points to IP number: 38.238.200.42.

Other host names, for instance 419r.cn share IP numbers with a1972.cn.

Name Servers

a1972.cn is delegated to two name servers: dm1.longmingdns.com and dm2.longmingdns.com.

a1972.cn shares the same name server setup as hyhtj.com.cn, sd555.cn, xpr.cn, nianrun.com.cn and rrlq.com.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.

a1972.cn - robtex.com

a1972.cn

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