`ia19.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}
SOA	`dm1.longmingdns.com`dnsadmin@longmingdns.com serial=1781187962

`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=2035144096

Same first word

ia19.cn

Similar names

91ia.com

i91a.com

91ai.app

ai19.casa

91ai.net

ai19.net

9ai1.com

91ai.cc

ai91.cn

ai19.cn

1a9i.com

19ai.net

DNS History

3 records (2 active, 1 former)

●NSdm1.longmingdns.com2026-04-05 → 2026-08-05 · 2 obs

● 2026-04-05 05:59:44
● 2026-08-05 07:52:34

●NSdm2.longmingdns.com2026-04-05 → 2026-08-05 · 2 obs

● 2026-04-05 05:59:44
● 2026-08-05 07:52:34

○A38.238.83.1812026-04-05 → 2026-05-08 · 4 obs

● 2026-04-05 05:59:44
● 2026-05-08 06:07:14
○ 2026-08-04 23:19:02
○ 2026-08-05 07:52:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
ia19.cn	dm1.longmingdns.com, dm2.longmingdns.com	-

✅ Authoritative Response

Server:211.99.99.56

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ia19.cn (unsigned zone)

⏱️ Timing

Total: 2933ms | Queries: -

📄 Records

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

Analysis

Name Servers

The NS records for ia19.cn delegate to dm1.longmingdns.com and dm2.longmingdns.com.

ia19.cn has the same name server delegation as a number of other domains, such as wu-ye.com.cn, ga7mao8.cn, baobaozhijia.com.cn and two more.

Hosts with two IP numbers each:

The A records for dm2.longmingdns.com return 183.253.57.197 and 211.99.99.56.

Hosts that resolve to one IP address:

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

ia19.cn - robtex.com

ia19.cn

cn