`smartoss.com`

DNSSEC	⚠️ Not signed
A	47.90.109.76^{🇭🇰 Alibaba-Cloud47.90.64.0/18 Alibaba Cloud}
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	`ns17.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	`ns18.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	`mx1.yunyou.top` ⭐
		A	2404:ccc0:263:103:5054:ff:fe4a:5abe^{🇭🇰 WEST263GO-HK2404:ccc0:263::/48 West263 International Limited 12/F, San Toi Building, 137-139 Connaught Road Central, Hong Kong,}
		A	43.224.153.210^{🇸🇬 WEST263GO-HK43.224.152.0/23 ZHONGYA PTE LTD 15 Pioneer Walk Singapore}
			PTR	`hk-mx2.yunyou.top`
		A	43.224.154.178^{🇸🇬 WEST263GO-HK43.224.154.0/24 ZHONGYA PTE LTD 15 Pioneer Walk Singapore}
			PTR	`hk-mx1.yunyou.top`
MX	`mx2.yunyou.top`⁽¹⁰⁾
		A	211.149.239.73^{🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client}
			PTR	`mx2.yunyou.top`
		A	211.149.240.37^{🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client}
			PTR	`mx2.yunyou.top`
TXT	`v=spf1 include:yunyou.top -all`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1757910335

`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=1778371487

Subdomains

mx.smartoss.com

Same first word

smartoss.com

Similar names

mastross.co.za

smsastro.com

smartsos.com

DNS History

7 records (6 active, 1 former)

●NSns11.xincache.com2026-04-09 → 2026-05-10 · 3 obs

○ 2015-08-23 15:22:30
● 2026-04-09 07:34:26
● 2026-05-10 00:24:50

●NSns17.xincache.com2015-08-23 → 2026-05-10 · 2 obs

● 2015-08-23 15:22:30
● 2026-05-10 00:24:50

●NSns18.xincache.com2015-08-23 → 2026-05-10 · 2 obs

● 2015-08-23 15:22:30
● 2026-05-10 00:24:50

○MXmx.smartoss.com2015-08-23 → 2018-01-14 · 4 obs

● 2015-08-23 15:22:30
● 2018-01-14 04:28:36
○ 2026-04-09 07:34:26
○ 2026-05-10 00:24:50

●MXmx1.yunyou.top2026-04-09 → 2026-05-10 · 3 obs

○ 2018-01-14 04:28:36
● 2026-04-09 07:34:26
● 2026-05-10 00:24:50

●MXmx2.yunyou.top2026-04-09 → 2026-05-10 · 3 obs

○ 2018-01-14 04:28:36
● 2026-04-09 07:34:26
● 2026-05-10 00:24:50

●A47.90.109.762026-04-09 → 2026-05-10 · 2 obs

● 2026-04-09 07:34:26
● 2026-05-10 00:24:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
smartoss.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 smartoss.com (unsigned zone)

⏱️ Timing

Total: 217ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.90.109.76`
NS	2	`ns18.xincache.com, ns17.xincache.com`
MX	2	`mx1.yunyou.top (pri: 5), mx2.yunyou.top (pri: 10)`
TXT	1	`v=spf1 include:yunyou.top -all`
SOA	1	`ns11.xincache.com ns12.xincache.com`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The parent of mx.smartoss.com is smartoss.com.

IP Addresses

smartoss.com points to a single IP number: 47.90.109.76.

Other host names, for instance www.gbita.net, 1st-co.com, sngsit.com, mydecorland.com and shqianyao.com share IP numbers with smartoss.com.

Name Servers

The domain smartoss.com is delegated to three name servers: ns11.xincache.com, ns17.xincache.com and ns18.xincache.com.

smartoss.com shares name servers with other domains at least partially, for instance lecom.cn, hn8k.com, saledept.biz, treasurest.com and cdljsw.cn.