`first-ex.com`

DNSSEC	⚠️ Not signed
NS	`ns11.xincache.com` ⭐
		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	`ns15.xincache.com`
		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	`ns16.xincache.com`
		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}
SOA	`ns11.xincache.com`ns12@xincache.com serial=1772719952

`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=1785901699

Same first word

first-ex.com.bo

first-ex.com

DNS History

6 records (3 active, 3 former)

●NSns11.xincache.com2026-05-11 → 2026-08-05 · 3 obs

○ 2015-11-20 02:15:42
● 2026-05-11 14:10:46
● 2026-08-05 04:09:36

●NSns15.xincache.com2015-07-21 → 2026-08-05 · 2 obs

● 2015-07-21 08:43:18
● 2026-08-05 04:09:36

●NSns16.xincache.com2015-11-20 → 2026-08-05 · 3 obs

○ 2015-07-21 08:43:18
● 2015-11-20 02:15:42
● 2026-08-05 04:09:36

○MXmxbiz1.qq.com2018-09-09 → 2018-09-09 · 3 obs

● 2018-09-09 15:08:28
○ 2026-05-11 14:10:46
○ 2026-08-05 04:09:36

○MXmxbiz2.qq.com2018-09-09 → 2018-09-09 · 3 obs

● 2018-09-09 15:08:28
○ 2026-05-11 14:10:46
○ 2026-08-05 04:09:36

○A61.152.104.2002015-07-21 → 2018-09-09 · 4 obs

● 2015-07-21 08:43:18
● 2018-09-09 15:08:28
○ 2026-05-11 14:10:46
○ 2026-08-05 04:09:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
first-ex.com	ns15.xincache.com, ns16.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.4

NS records: ns15.xincache.com, ns16.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for first-ex.com (unsigned zone)

⏱️ Timing

Total: 192ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns15.xincache.com, ns16.xincache.com`
SOA	1	`ns11.xincache.com ns12.xincache.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns15.xincache.com, ns15.xincache.com, ns15.xincache.com...)

Analysis

Name Servers

Three name servers are authoritative for first-ex.com: ns11.xincache.com, ns15.xincache.com and ns16.xincache.com.

There is at least partial name server overlap between first-ex.com and other domains — besg-bee.com, haas.cn, shenzhoumining.com and two more among them.

These name servers regularly appear alongside ns12.xincache.com, ce1.xincache.com, ce2.xincache.com and 6 other name servers in NS record sets.

DNS names with 8 IP addresses:

ns11.xincache.com carries IP addresses 1.12.0.4, 36.155.149.180 and 112.80.181.45, with 5 other addresses beyond those.

ns15.xincache.com carries IP addresses 1.12.0.4, 36.155.149.180 and 112.80.181.45, with 5 other addresses beyond those.

DNS names with 7 IP addresses:

ns16.xincache.com carries IP addresses 1.12.0.1, 36.155.149.176 and 112.80.181.111, with 4 other addresses beyond those.

These two host names — ns11.xincache.com and ns15.xincache.com — each point to 2402:4e00:1470:2::e IP addresses.

These two host names — ns11.xincache.com and ns15.xincache.com — each point to 2402:4e00:1730::e IP addresses.

These two host names — ns11.xincache.com and ns15.xincache.com — each point to 1.12.0.4 IP addresses.

These two host names — ns11.xincache.com and ns15.xincache.com — each point to 36.155.149.180 IP addresses.

These two host names — ns11.xincache.com and ns15.xincache.com — each point to 112.80.181.45 IP addresses.

These two host names — ns11.xincache.com and ns15.xincache.com — each point to 117.89.178.173 IP addresses.

These two host names — ns11.xincache.com and ns15.xincache.com — each point to 125.94.59.210 IP addresses.

These two host names — ns11.xincache.com and ns15.xincache.com — each point to 129.211.176.209 IP addresses.

first-ex.com - robtex.com

first-ex.com

com