flatworldknowledge.com.cn - dns.ninja

`flatworldknowledge.com.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=1781092163

`com.cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.cn` ⚠️ Not in parent delegation
	NS	`c.dns.cn` ⚠️ Not in parent delegation
	NS	`cns.cernet.net` ⚠️ Not in parent delegation
	NS	`d.dns.cn` ⚠️ Not in parent delegation
	NS	`e.dns.cn` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2030703642

WOT: NOT_SAFE (20/100)

Same first word

flatworldknowledge.com.cn

flatworldknowledge.com

DNS History

14 records (2 active, 12 former)

●NSdm1.longmingdns.com2026-03-12 → 2026-07-24 · 3 obs

○ 2017-04-06 21:55:58
● 2026-03-12 07:13:26
● 2026-07-24 01:36:32

●NSdm2.longmingdns.com2026-03-12 → 2026-07-24 · 3 obs

○ 2017-04-06 21:55:58
● 2026-03-12 07:13:26
● 2026-07-24 01:36:32

○NSns1.dns.com2017-04-06 → 2017-04-06 · 4 obs

○ 2016-07-03 21:30:22
● 2017-04-06 21:55:58
○ 2026-03-12 07:13:26
○ 2026-07-24 01:36:32

○NSwww.flatworldknowledge.com.cn2015-08-02 → 2016-07-03 · 4 obs

● 2015-08-02 11:46:36
● 2016-07-03 21:30:22
○ 2017-04-06 21:55:58
○ 2026-07-24 01:36:32

○MXio.bouncemx.com2015-11-28 → 2016-07-03 · 4 obs

● 2015-11-28 18:26:22
● 2016-07-03 21:30:22
○ 2017-04-06 21:55:58
○ 2026-07-24 01:36:32

○A103.242.134.1962017-04-06 → 2017-04-06 · 4 obs

○ 2016-07-03 21:30:22
● 2017-04-06 21:55:58
○ 2026-03-12 07:13:26
○ 2026-07-24 01:36:32

○A201.5.67.882026-05-20 → 2026-05-20 · 4 obs

○ 2026-03-12 07:13:26
● 2026-05-20 03:16:08
● 2026-05-20 18:42:50
○ 2026-07-24 01:36:32

○A45.194.214.882026-03-12 → 2026-03-12 · 4 obs

○ 2017-04-06 21:55:58
● 2026-03-12 07:13:26
○ 2026-05-20 03:16:08
○ 2026-07-24 01:36:32

○A70.39.84.2262016-07-03 → 2016-07-03 · 4 obs

○ 2016-03-07 06:22:20
● 2016-07-03 21:30:22
○ 2017-04-06 21:55:58
○ 2026-07-24 01:36:32

○A70.39.84.2282015-08-02 → 2015-08-02 · 3 obs

● 2015-08-02 11:46:36
○ 2026-03-12 07:13:26
○ 2026-07-24 01:36:32

○A70.39.84.2302016-03-07 → 2016-03-07 · 4 obs

○ 2015-11-28 18:26:22
● 2016-03-07 06:22:20
○ 2016-07-03 21:30:22
○ 2026-07-24 01:36:32

○A70.39.84.2432015-11-28 → 2015-11-28 · 4 obs

○ 2015-08-02 11:46:36
● 2015-11-28 18:26:22
○ 2016-03-07 06:22:20
○ 2026-07-24 01:36:32

○CNAMEdn.yob.com.cn2017-04-06 → 2017-04-06 · 4 obs

○ 2016-07-03 21:30:22
● 2017-04-06 21:55:58
○ 2026-03-12 07:13:26
○ 2026-07-24 01:36:32

○CNAMEf.dcoin.co2015-08-02 → 2016-07-03 · 4 obs

● 2015-08-02 11:46:36
● 2016-07-03 21:30:22
○ 2017-04-06 21:55:58
○ 2026-07-24 01:36:32

🔍 DNS Trace

📋 Delegation Chain

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

⏱️ Timing

Total: 3822ms | Queries: -

📄 Records

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

Analysis

Name Servers

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

flatworldknowledge.com.cn shares its name server setup with other domains, including steellesscasting.cn, 888app.cn, videocar.cn and two others.

Host names with two IP numbers:

dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.

Host names pointing to a single IP address:

dm1.longmingdns.com points to 218.98.111.163.