`isf-foundation.com`

DNSSEC	⚠️ Not signed
A	47.75.26.117^{🇭🇰 Alibaba-Cloud47.75.0.0/17 Proxy-registered route object}
NS	`ns19.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	`ns20.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	`ns19.xincache.com`enterprise1dnsadmin@dnspod.com serial=1576624086

`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=1776557442

Same first word

isf-foundation.com

DNS History

13 records (3 active, 10 former)

○NSf1g1ns1.dnspod.net2015-05-10 → 2015-10-14 · 4 obs

● 2015-05-10 13:09:50
● 2015-10-14 13:05:42
○ 2016-04-16 04:56:02
○ 2026-04-19 00:24:22

○NSf1g1ns2.dnspod.net2015-05-10 → 2015-10-14 · 4 obs

● 2015-05-10 13:09:50
● 2015-10-14 13:05:42
○ 2016-04-16 04:56:02
○ 2026-04-19 00:24:22

○NSns11.xincache.com2016-04-16 → 2016-04-16 · 4 obs

○ 2015-10-14 13:05:42
● 2016-04-16 04:56:02
○ 2017-01-26 11:55:08
○ 2026-04-19 00:24:22

○NSns12.xincache.com2016-04-16 → 2016-04-16 · 4 obs

○ 2015-10-14 13:05:42
● 2016-04-16 04:56:02
○ 2017-01-26 11:55:08
○ 2026-04-19 00:24:22

●NSns19.xincache.com2017-01-26 → 2026-04-19 · 3 obs

○ 2016-04-16 04:56:02
● 2017-01-26 11:55:08
● 2026-04-19 00:24:22

●NSns20.xincache.com2017-01-26 → 2026-04-19 · 3 obs

○ 2016-04-16 04:56:02
● 2017-01-26 11:55:08
● 2026-04-19 00:24:22

○MXmxbiz1.qq.com2015-10-14 → 2015-10-14 · 3 obs

● 2015-10-14 13:05:42
○ 2016-01-04 14:20:16
○ 2026-04-19 00:24:22

○MXmxbiz2.qq.com2015-10-14 → 2015-10-14 · 3 obs

● 2015-10-14 13:05:42
○ 2016-01-04 14:20:16
○ 2026-04-19 00:24:22

○A180.178.37.212015-05-10 → 2015-10-14 · 4 obs

● 2015-05-10 13:09:50
● 2015-10-14 13:05:42
○ 2016-04-16 04:56:02
○ 2026-04-19 00:24:22

●A47.75.26.1172026-04-19 → 2026-04-19 · 2 obs

○ 2018-06-06 02:16:10
● 2026-04-19 00:24:22

○A47.91.198.1622018-06-06 → 2018-06-06 · 3 obs

○ 2016-04-16 04:56:02
● 2018-06-06 02:16:10
○ 2026-04-19 00:24:22

○CNAMEisf-foundation.org2015-10-14 → 2015-10-14 · 4 obs

○ 2015-05-10 13:09:50
● 2015-10-14 13:05:42
○ 2016-01-04 14:20:16
○ 2026-04-19 00:24:22

○CNAMEwww.isf-foundation.org2015-05-10 → 2015-10-14 · 4 obs

● 2015-05-10 13:09:50
● 2015-10-14 13:05:42
○ 2016-01-04 14:20:16
○ 2026-04-19 00:24:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net...	-
isf-foundation.com	ns19.xincache.com, ns20.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.4

NS records: ns19.xincache.com, ns20.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isf-foundation.com (unsigned zone)

⏱️ Timing

Total: 115ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.75.26.117`
NS	2	`ns20.xincache.com, ns19.xincache.com`
SOA	1	`ns19.xincache.com enterprise1dnsadmin.dn`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns19.xincache.com, ns19.xincache.com, ns19.xincache.com...)

Analysis

IP Addresses

isf-foundation.com resolves to a single IP: 47.75.26.117.

Name Servers

isf-foundation.com has two name servers: ns19.xincache.com and ns20.xincache.com.

isf-foundation.com shares the same name server setup as other domains, for example cumt.net, s-a.com.cn, 0house.com, chinadevelopmentbrief.cn and 183e.com.

isf-foundation.com shares some name servers with other domains, for example lemanbath.com, panjikeji.com, zspcl.com, cqhybwcl.com and laosu.com.

These name servers are commonly used alongside ns11.xincache.com, ns12.xincache.com, ns13.xincache.com and ns14.xincache.com.

Host names with eight IPs:

ns19.xincache.com points to: 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.

Host names with seven IPs:

ns20.xincache.com points to: 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 112.80.181.111, 117.89.178.184, 129.211.176.239 and 163.177.5.23.

isf-foundation.com - robtex.com