`gdgreentech.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=1781194226

`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=2030695536

WOT: NOT_SAFE (20/100)

Same first word

gdgreentech.com.cn

gdgreentech.com

DNS History

6 records (2 active, 4 former)

●NSdm1.longmingdns.com2026-07-19 → 2026-07-19 · 2 obs

○ 2016-07-18 19:54:12
● 2026-07-19 23:05:56

●NSdm2.longmingdns.com2026-07-19 → 2026-07-19 · 2 obs

○ 2016-07-18 19:54:12
● 2026-07-19 23:05:56

○NSns1.51dns.com2015-07-07 → 2016-07-18 · 3 obs

● 2015-07-07 10:05:20
● 2016-07-18 19:54:12
○ 2026-07-19 23:05:56

○NSns2.51dns.com2015-07-07 → 2016-07-18 · 3 obs

● 2015-07-07 10:05:20
● 2016-07-18 19:54:12
○ 2026-07-19 23:05:56

○A104.238.193.782015-11-24 → 2017-03-31 · 3 obs

● 2015-11-24 02:20:54
● 2017-03-31 09:31:42
○ 2026-07-19 23:05:56

○A156.236.180.142026-07-19 → 2026-07-19 · 1 obs

○ 2026-07-19 23:05:56

🔍 DNS Trace

📋 Delegation Chain

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

⏱️ Timing

Total: 2324ms | 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 gdgreentech.com.cn delegate to dm1.longmingdns.com and dm2.longmingdns.com.

gdgreentech.com.cn shares its NS records with other domains, for example jqi.net.cn, faguoshipin.com.cn, jxyktx.cn and two others.

Host names that have two IP addresses:

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

Host names that point to one IP address:

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

gdgreentech.com.cn - robtex.com