firstgz.com - dns.ninja

`firstgz.com`

DNSSEC	⚠️ Not signed
NS	`ns13.xincache.com` ⭐ ⚠️ Not in parent delegation
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
NS	`ns14.xincache.com` ⚠️ Not in parent delegation
		A	2402:4e00:111:fff::c^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.1^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.111^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
		A	163.177.5.23^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
NS	`ns17.xincache.com` ⚠️ Not in zone NS records
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
NS	`ns18.xincache.com` ⚠️ Not in zone NS records
		A	2402:4e00:111:fff::c^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.1^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.111^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
		A	163.177.5.23^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
MX	`mx.entmail.sina.com` ⭐
		A	36.51.254.76^{🇨🇳 SINA36.51.254.0/24 Proxy-registered route object}
MX	`mx.sina.net`⁽¹⁰⁾
		A	36.51.254.76^{🇨🇳 SINA36.51.254.0/24 Proxy-registered route object}
SOA	`ns13.xincache.com`enterprise1dnsadmin@dnspod.com serial=1576661016

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786041924

Same first word

firstgz.com

firstgz.cn

Similar names

girtzfs.com

gzfirst.cn

gzfirst.com

DNS History

8 records (6 active, 2 former)

○NSns.xinnet.cn2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 23:48:40
○ 2015-05-11 02:29:18
○ 2026-08-06 18:57:12

○NSns.xinnetdns.com2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 23:48:40
○ 2015-05-11 02:29:18
○ 2026-08-06 18:57:12

●NSns13.xincache.com2015-05-11 → 2026-08-06 · 3 obs

○ 2008-03-16 23:48:40
● 2015-05-11 02:29:18
● 2026-08-06 18:57:12

●NSns14.xincache.com2015-05-11 → 2026-08-06 · 3 obs

○ 2008-03-16 23:48:40
● 2015-05-11 02:29:18
● 2026-08-06 18:57:12

●NSns17.xincache.com2015-05-11 → 2026-08-06 · 3 obs

○ 2008-03-16 23:48:40
● 2015-05-11 02:29:18
● 2026-08-06 18:57:12

●NSns18.xincache.com2015-05-11 → 2026-08-06 · 3 obs

○ 2008-03-16 23:48:40
● 2015-05-11 02:29:18
● 2026-08-06 18:57:12

●MXmx.entmail.sina.com2015-05-11 → 2026-08-06 · 3 obs

○ 2008-03-16 23:48:40
● 2015-05-11 02:29:18
● 2026-08-06 18:57:12

●MXmx.sina.net2008-03-16 → 2026-08-06 · 2 obs

● 2008-03-16 23:48:40
● 2026-08-06 18:57:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
firstgz.com	ns17.xincache.com, ns18.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.4

NS records: ns17.xincache.com, ns18.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstgz.com (unsigned zone)

⏱️ Timing

Total: 190ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns13.xincache.com, ns14.xincache.com`
MX	2	`mx.entmail.sina.com (pri: 5), mx.sina.net (pri: 10)`
SOA	1	`ns13.xincache.com enterprise1dnsadmin.dn`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns17.xincache.com, ns17.xincache.com, ns17.xincache.com...)

Analysis

Name Servers

Four name servers handle the delegation for firstgz.com: ns13.xincache.com, ns14.xincache.com, ns17.xincache.com and ns18.xincache.com.

firstgz.com shares at least some of its name servers with other domains, including sowhat.com.cn, xfqh.com, fsgroup.com.cn and two others.

These name servers are frequently seen alongside the name servers ns11.xincache.com, ns12.xincache.com, ns19.xincache.com and ns20.xincache.com.

Hosts with 8 IP addresses each:

ns13.xincache.com resolves to 1.12.0.4, 36.155.149.180, 112.80.181.45 and 5 other IP addresses.

ns17.xincache.com resolves to 1.12.0.4, 36.155.149.180, 112.80.181.45 and 5 other IP addresses.

Hosts with 7 IP addresses each:

ns14.xincache.com resolves to 1.12.0.1, 36.155.149.176, 112.80.181.111 and 4 other IP addresses.

ns18.xincache.com resolves to 1.12.0.1, 36.155.149.176, 112.80.181.111 and 4 other IP addresses.

ns13.xincache.com and ns17.xincache.com are host names that each point to 2402:4e00:1470:2::e IP addresses.

ns13.xincache.com and ns17.xincache.com are host names that each point to 2402:4e00:1730::e IP addresses.

ns13.xincache.com and ns17.xincache.com are host names that each point to 1.12.0.4 IP addresses.

ns13.xincache.com and ns17.xincache.com are host names that each point to 36.155.149.180 IP addresses.

ns13.xincache.com and ns17.xincache.com are host names that each point to 112.80.181.45 IP addresses.

ns13.xincache.com and ns17.xincache.com are host names that each point to 117.89.178.173 IP addresses.

ns13.xincache.com and ns17.xincache.com are host names that each point to 125.94.59.210 IP addresses.

ns13.xincache.com and ns17.xincache.com are host names that each point to 129.211.176.209 IP addresses.

ns14.xincache.com and ns18.xincache.com are host names that each point to 2402:4e00:111:fff::c IP addresses.

ns14.xincache.com and ns18.xincache.com are host names that each point to 1.12.0.1 IP addresses.

ns14.xincache.com and ns18.xincache.com are host names that each point to 36.155.149.176 IP addresses.

ns14.xincache.com and ns18.xincache.com are host names that each point to 112.80.181.111 IP addresses.

ns14.xincache.com and ns18.xincache.com are host names that each point to 117.89.178.184 IP addresses.

ns14.xincache.com and ns18.xincache.com are host names that each point to 129.211.176.239 IP addresses.

ns14.xincache.com and ns18.xincache.com are host names that each point to 163.177.5.23 IP addresses.

Mail Servers

firstgz.com uses two mail servers, mx.sina.net and mx.entmail.sina.com.

The mail server setup of firstgz.com matches that of other domains such as ksh.cn, dg-gpack.com, ciiam.com.cn and two others.

At least some of the mail servers used by firstgz.com are shared with other domains: zhpump.cn, yiheyang-sh.com, woll-china.com and two others among them.

These mail servers tend to be used in conjunction with the mail servers mx.sinanet.com.

mx.sina.net and mx.entmail.sina.com both resolve to the same single IP address: 36.51.254.76.

mx.sina.net and mx.entmail.sina.com are host names that each point to 36.51.254.76 IP addresses.