`smicschool.com`

DNSSEC	⚠️ Not signed
A	106.14.193.70^{🇨🇳 Alibaba-Cloud106.14.0.0/16 Alibaba (US) Technology Co., Ltd.}
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	`smicschool-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c801::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm6pr05cu00404.inbound.protection.outlook.com`
		A	2a01:111:f403:c936::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy1pr05cu00400.inbound.protection.outlook.com`
		A	2a01:111:f403:f912::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy5pr03cu00200.inbound.protection.outlook.com`
		A	52.101.9.24^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr02cu00400.inbound.protection.outlook.com`
		A	52.101.40.4^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr03cu00204.inbound.protection.outlook.com`
		A	52.101.41.21^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00305.inbound.protection.outlook.com`
		A	52.101.50.13^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr02cu00605.inbound.protection.outlook.com`
TXT	`MS=4120C4391C89F7AA6EDBFAF83D7CAC16398BD19B`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`sC83yjeQyi13`
TXT	`apple-domain-verification=JnpDgHMrCT0XTbaD`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1773907045

`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=1774629632

Subdomains

smic-server1.smicschool.com

Same first word

smicschool.com

DNS History

10 records (5 active, 5 former)

●NSns11.xincache.com2026-02-22 → 2026-03-27 · 3 obs

○ 2017-07-09 19:19:54
● 2026-02-22 02:07:42
● 2026-03-27 16:43:04

○NSns17.xincache.com2015-06-14 → 2016-09-17 · 4 obs

● 2015-06-14 03:39:16
● 2016-09-17 20:26:40
○ 2017-07-09 19:19:54
○ 2026-03-27 16:43:04

○NSns18.xincache.com2015-06-14 → 2016-09-17 · 4 obs

● 2015-06-14 03:39:16
● 2016-09-17 20:26:40
○ 2017-07-09 19:19:54
○ 2026-03-27 16:43:04

●NSns19.xincache.com2017-07-09 → 2026-03-27 · 3 obs

○ 2016-09-17 20:26:40
● 2017-07-09 19:19:54
● 2026-03-27 16:43:04

●NSns20.xincache.com2017-07-09 → 2026-03-27 · 3 obs

○ 2016-09-17 20:26:40
● 2017-07-09 19:19:54
● 2026-03-27 16:43:04

○MXsmic-server1.smicschool.com2015-10-28 → 2017-07-09 · 4 obs

● 2015-10-28 05:02:24
● 2017-07-09 19:19:54
○ 2026-02-22 02:07:42
○ 2026-03-27 16:43:04

●MXsmicschool-com.mail.protection.outlook.com2026-02-22 → 2026-03-27 · 3 obs

○ 2017-07-09 19:19:54
● 2026-02-22 02:07:42
● 2026-03-27 16:43:04

●A106.14.193.702026-02-22 → 2026-03-27 · 3 obs

○ 2017-07-09 19:19:54
● 2026-02-22 02:07:42
● 2026-03-27 16:43:04

○A220.248.76.1622015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 03:39:16
○ 2015-10-28 05:02:24
○ 2026-03-27 16:43:04

○A50.56.64.42015-10-28 → 2017-07-09 · 5 obs

○ 2015-06-14 03:39:16
● 2015-10-28 05:02:24
● 2017-07-09 19:19:54
○ 2026-02-22 02:07:42
○ 2026-03-27 16:43:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
smicschool.com	ns19.xincache.com, ns20.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smicschool.com (unsigned zone)

⏱️ Timing

Total: 106ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`106.14.193.70`
NS	2	`ns20.xincache.com, ns19.xincache.com`
MX	1	`smicschool-com.mail.protection.outlook.c`
TXT	4	`MS=4120C4391C89F7AA6EDBFAF83D7CAC16398BD, v=spf1 include:spf.protection.outlook.co...`
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

Hierarchy

The parent of smic-server1.smicschool.com is smicschool.com.

IP Addresses

smicschool.com points to a single IP: 106.14.193.70.

Name Servers

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

smicschool.com partially shares name servers with other domains; examples include gona-industrial.com, mindsets.cn, eastbio.cn, jtzyxc.com and ycdl-china.com.