`szkunw.com`

DNSSEC	⚠️ Not signed
A	139.129.175.51^{🇨🇳 Alibaba-Cloud139.129.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
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	`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}
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
TXT	`v=spf1 include:spf.mail.qq.com ~al`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1718673041

`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=1776060412

Same first word

szkunw.com

DNS History

10 records (6 active, 4 former)

●NSns11.xincache.com2015-05-23 → 2026-04-13 · 6 obs

● 2015-05-23 20:46:32
● 2016-04-08 18:01:32
○ 2016-09-25 04:25:30
○ 2017-10-14 18:56:26
● 2026-02-22 15:28:46
● 2026-04-13 06:32:12

○NSns12.xincache.com2015-05-23 → 2016-04-08 · 4 obs

● 2015-05-23 20:46:32
● 2016-04-08 18:01:32
○ 2016-09-25 04:25:30
○ 2026-04-13 06:32:12

●NSns19.xincache.com2016-09-25 → 2026-04-13 · 3 obs

○ 2016-04-08 18:01:32
● 2016-09-25 04:25:30
● 2026-04-13 06:32:12

●NSns20.xincache.com2016-09-25 → 2026-04-13 · 3 obs

○ 2016-04-08 18:01:32
● 2016-09-25 04:25:30
● 2026-04-13 06:32:12

●MXmxbiz1.qq.com2016-04-08 → 2026-04-13 · 2 obs

● 2016-04-08 18:01:32
● 2026-04-13 06:32:12

●MXmxbiz2.qq.com2016-04-08 → 2026-04-13 · 2 obs

● 2016-04-08 18:01:32
● 2026-04-13 06:32:12

○A113.10.158.472015-05-23 → 2015-05-23 · 3 obs

● 2015-05-23 20:46:32
○ 2015-09-23 22:59:56
○ 2026-04-13 06:32:12

○A121.42.79.2012016-09-25 → 2017-10-14 · 5 obs

○ 2016-04-08 18:01:32
● 2016-09-25 04:25:30
● 2017-10-14 18:56:26
○ 2026-02-22 15:28:46
○ 2026-04-13 06:32:12

○A122.10.80.632015-09-23 → 2016-04-08 · 5 obs

○ 2015-05-23 20:46:32
● 2015-09-23 22:59:56
● 2016-04-08 18:01:32
○ 2016-09-25 04:25:30
○ 2026-04-13 06:32:12

●A139.129.175.512026-02-22 → 2026-04-13 · 3 obs

○ 2017-10-14 18:56:26
● 2026-02-22 15:28:46
● 2026-04-13 06:32:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net...	-
szkunw.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 szkunw.com (unsigned zone)

⏱️ Timing

Total: 166ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`139.129.175.51`
NS	2	`ns20.xincache.com, ns19.xincache.com`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
TXT	1	`v=spf1 include:spf.mail.qq.com ~al`
SOA	1	`ns11.xincache.com ns12.xincache.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

szkunw.com points to an IP address: 139.129.175.51.

Name Servers

szkunw.com is delegated to three name servers ns11.xincache.com, ns19.xincache.com and ns20.xincache.com.

szkunw.com at least partially shares name servers with other domains, for instance ganlen.com, weia.org.cn, wrco.com.cn, sydonfon.net and hjzjs.com.

These name servers are commonly used with ns12.xincache.com, ns13.xincache.com, ns14.xincache.com, ce1.xincache.com, ce2.xincache.com, ns17.xincache.com, ns18.xincache.com, ns15.xincache.com and ns16.xincache.com.

Host names with eight IP numbers:

The host names ns11.xincache.com and ns19.xincache.com point 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 IP numbers:

The host name 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.

Host names that point to 2402:4e00:1470:2::e: ns11.xincache.com and ns19.xincache.com.

Host names that point to 2402:4e00:1730::e: ns11.xincache.com and ns19.xincache.com.

Host names that point to 1.12.0.4: ns11.xincache.com and ns19.xincache.com.

Host names that point to 36.155.149.180: ns11.xincache.com and ns19.xincache.com.

Host names that point to 112.80.181.45: ns11.xincache.com and ns19.xincache.com.

Host names that point to 117.89.178.173: ns11.xincache.com and ns19.xincache.com.

Host names that point to 125.94.59.210: ns11.xincache.com and ns19.xincache.com.

Host names that point to 129.211.176.209: ns11.xincache.com and ns19.xincache.com.

Mail Servers

szkunw.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

szkunw.com uses the same mail server setup as other domains, for instance ahkm.net, gu-e.cn, b-y-f.com, ausasiahr.com and yunio.com.

szkunw.com shares some mail servers with other domains, including 5678910.com, loutong.com, pandacompass.com and itspxx.com.

szkunw.com - robtex.com

szkunw.com

com