sdmach.cn - robtex.com

sdmach.cn

DNSSEC⚠️ Not signed
NSns11.xincache.com ⚠️ Not in zone NS records
A2402:4e00:1470:2::e🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40
A2402:4e00:1730::e🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40
A1.12.0.4🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
A36.155.149.180🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
A112.80.181.45🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network
A117.89.178.173🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC
A125.94.59.210🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network
A129.211.176.209🇨🇳 TENCENT-NET-AP129.211.176.0/20
NSns12.xincache.com ⚠️ Not in zone NS records
A2402:4e00:111:fff::c🇨🇳 TENCENT-NET-AP2402:4e00::/35
A1.12.0.1🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
A36.155.149.176🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
A112.80.181.111🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network
A117.89.178.184🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC
A129.211.176.239🇨🇳 TENCENT-NET-AP129.211.176.0/20
A163.177.5.23🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2035123343

Same first word

sdmach.cn

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DNS History

3 records (2 active, 1 former)

NSns11.xincache.comns12.xincache.comCNAME703897.vhost321.cloudvhost.top
●NSns11.xincache.com2026-03-15 → 2026-08-02 · 2 obs
● 2026-03-15 06:08:18
● 2026-08-02 07:10:58
●NSns12.xincache.com2026-03-15 → 2026-08-02 · 2 obs
● 2026-03-15 06:08:18
● 2026-08-02 07:10:58
○CNAME703897.vhost321.cloudvhost.top2026-03-15 → 2026-03-26 · 4 obs
● 2026-03-15 06:08:18
● 2026-03-26 20:55:02
○ 2026-07-12 14:48:34
○ 2026-08-02 07:10:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
sdmach.cnns11.xincache.com, ns12.xincache.com-

✅ Authoritative Response

Server:163.177.5.23

NS records: ns11.xincache.com, ns12.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdmach.cn (unsigned zone)

⏱️ Timing

Total: 4464ms | Queries: -

📄 Records

TypeCountSample Data
NS2ns11.xincache.com, ns12.xincache.com
CNAME1703897.vhost321.cloudvhost.top
SOA1ns11.xincache.com ns12.xincache.com

Analysis

Name Servers

sdmach.cn is served by two delegated name servers, ns11.xincache.com and ns12.xincache.com.

sdmach.cn has the same name server delegation as a number of other domains, such as 720space.com, gz-guangze.com, sdmhc.com.cn and two more.

sdmach.cn partially shares its NS delegation with several other domains, including tsksj.com, wfsfgs.cn, cyay.cn and two others.

In DNS configurations, these name servers often share authority with ce1.xincache.com, ce2.xincache.com, ns19.xincache.com and 7 other name servers.

Host names resolving to 8 IP numbers:

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.

Host names resolving to 7 IP numbers:

ns12.xincache.com carries IP addresses 1.12.0.1, 36.155.149.176 and 112.80.181.111, with 4 other addresses beyond those.