firstadmin.cn - dns.ninja

`firstadmin.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=1781189702

`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=2035065919

Subdomains

pic.firstadmin.cn

Same first word

firstadmin.cn

Similar names

ndtfirmasi.com

mnfirstaid.com

adminfirst.com

DNS History

14 records (2 active, 12 former)

●NSdm1.longmingdns.com2026-03-26 → 2026-07-20 · 3 obs

○ 2026-03-07 11:29:54
● 2026-03-26 11:14:42
● 2026-07-20 15:08:22

●NSdm2.longmingdns.com2026-03-26 → 2026-07-20 · 3 obs

○ 2026-03-07 11:29:54
● 2026-03-26 11:14:42
● 2026-07-20 15:08:22

○NSmarvin.ns.cloudflare.com2026-03-01 → 2026-03-07 · 5 obs

○ 2019-12-24 22:04:40
● 2026-03-01 05:22:50
● 2026-03-07 11:29:54
○ 2026-03-26 11:14:42
○ 2026-07-20 15:08:22

○NSns3.dnsdun.com2019-12-24 → 2019-12-24 · 3 obs

● 2019-12-24 22:04:40
○ 2026-03-01 05:22:50
○ 2026-07-20 15:08:22

○NSns3.dnsdun.net2019-12-24 → 2019-12-24 · 3 obs

● 2019-12-24 22:04:40
○ 2026-03-01 05:22:50
○ 2026-07-20 15:08:22

○NSserena.ns.cloudflare.com2026-03-01 → 2026-03-07 · 5 obs

○ 2019-12-24 22:04:40
● 2026-03-01 05:22:50
● 2026-03-07 11:29:54
○ 2026-03-26 11:14:42
○ 2026-07-20 15:08:22

○A104.21.32.1522026-03-01 → 2026-03-07 · 9 obs

○ 2026-03-01 05:22:50
● 2026-03-01 06:51:40
● 2026-03-05 23:07:14
○ 2026-03-06 04:40:28
● 2026-03-06 05:26:48
○ 2026-03-07 10:05:14
● 2026-03-07 11:29:54
○ 2026-03-26 11:14:42
○ 2026-07-20 15:08:22

○A172.64.80.12026-03-01 → 2026-03-07 · 9 obs

○ 2019-12-24 22:04:40
● 2026-03-01 05:22:50
○ 2026-03-01 06:51:40
○ 2026-03-05 23:07:14
● 2026-03-06 04:40:28
○ 2026-03-06 05:26:48
● 2026-03-07 10:05:14
○ 2026-03-07 11:29:54
○ 2026-07-20 15:08:22

○A172.67.223.2292026-03-01 → 2026-03-07 · 9 obs

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-01 → 2026-03-07 · 9 obs

○A2606:4700:3037::6815:20982026-03-01 → 2026-03-07 · 9 obs

○A2606:4700:3037::ac43:dfe52026-03-01 → 2026-03-07 · 9 obs

○A38.239.226.842026-03-26 → 2026-05-31 · 5 obs

○ 2026-03-07 11:29:54
● 2026-03-26 11:14:42
● 2026-05-31 23:14:58
○ 2026-07-08 19:09:36
○ 2026-07-20 15:08:22

○A45.203.91.2092019-12-24 → 2019-12-24 · 3 obs

● 2019-12-24 22:04:40
○ 2026-03-01 05:22:50
○ 2026-07-20 15:08:22

🔍 DNS Trace

📋 Delegation Chain

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

⏱️ Timing

Total: 3964ms | Queries: -

📄 Records

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

Analysis

Hierarchy

firstadmin.cn serves as the parent of pic.firstadmin.cn.

Name Servers

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

The name server configuration of firstadmin.cn is shared with other domains, for instance bhnh.com.cn, rdrce.cn, v7i0js.cn and two others.

Host names pointing to two IP addresses:

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

Host names resolving to a single IP address:

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