sysdo.cn - dns.ninja
sysdo.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.200.39.70🇭🇰 USZNI-AS-AP45.200.32.0/20 Proxy-registered route object | ||||||
| NS | ns1.nowcndns.com ⭐ | ||||||
| A | 1.193.216.204🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network | ||||||
| A | 218.98.111.129🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 218.98.111.138🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.nowcndns.com | ||||||
| A | 61.158.128.11🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network | ||||||
| PTR | 11.128.158.61.ha.cnc | ||||||
| A | 183.253.57.202🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.38🇨🇳 DONGGUAN-1211.99.99.0/24 | ||||||
| SOA | ns1.nowcndns.comadmin@nowcndns.com serial=1781857433 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2035147345 | ||||||
Same first word
Similar names
DNS History
9 records (3 active, 6 former)
○NSf1g1ns1.dnspod.net2015-08-07 → 2015-08-07 · 3 obs
○ 2015-12-14 22:07:14
○ 2026-08-06 03:49:12
●NSns1.nowcndns.com2026-04-08 → 2026-08-06 · 3 obs
● 2026-04-08 17:15:18
● 2026-08-06 03:49:12
●NSns2.nowcndns.com2026-04-08 → 2026-08-06 · 3 obs
● 2026-04-08 17:15:18
● 2026-08-06 03:49:12
○NSns9.szhot.com2015-12-14 → 2021-09-19 · 5 obs
● 2015-12-14 22:07:14
● 2021-09-19 05:07:28
○ 2026-04-08 17:15:18
○ 2026-08-06 03:49:12
○MXmail.eurocloud.cn2015-12-14 → 2021-09-19 · 4 obs
● 2021-09-19 05:07:28
○ 2026-04-08 17:15:18
○ 2026-08-06 03:49:12
○A14.215.133.1192015-12-14 → 2021-09-19 · 5 obs
● 2015-12-14 22:07:14
● 2021-09-19 05:07:28
○ 2026-04-08 17:15:18
○ 2026-08-06 03:49:12
○A172.246.160.1832015-08-07 → 2015-08-07 · 3 obs
○ 2026-04-08 17:15:18
○ 2026-08-06 03:49:12
●A45.200.39.702026-07-15 → 2026-08-06 · 3 obs
● 2026-07-15 07:32:38
● 2026-08-06 03:49:12
○A45.200.40.1342026-04-08 → 2026-04-08 · 4 obs
● 2026-04-08 17:15:18
○ 2026-07-15 07:32:38
○ 2026-08-06 03:49:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, c.dns.cn, ns.cernet.net, e.dns.cn... | 11 records |
| sysdo.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server:211.99.99.38
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sysdo.cn (unsigned zone)
⏱️ Timing
Total: 1840ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.200.39.70 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
📌 Glue Records Collected
Total: 11
In-bailiwick: 10 (e.dns.cn, d.dns.cn, c.dns.cn...)
Out-of-bailiwick: 1 (ns.cernet.net)
Analysis
IP Addresses
sysdo.cn directs to one IP number, which is 45.200.39.70.
pyus.cn and qhdbxgs.cn are among other host names that share IP numbers with sysdo.cn.
Name Servers
DNS delegation for sysdo.cn points to two name servers: ns1.nowcndns.com and ns2.nowcndns.com.
sysdo.cn has the same name server delegation as a number of other domains, such as sm666.cn, yehj.cn, zgaiqi.cn and two more.
Both ns1.nowcndns.com and ns2.nowcndns.com point to three IP numbers: ns1.nowcndns.com points to 1.193.216.204, 218.98.111.129 and 218.98.111.138, while ns2.nowcndns.com points to 61.158.128.11, 183.253.57.202 and 211.99.99.38.