codsc.cn - dns.ninja
codsc.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.12.179.187🇺🇸 PEGTECHINC38.12.128.0/18 PEG TECH INC | ||||||
| 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=1777625333 | ||||||
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=2035129383 | ||||||
Subdomains
www.codsc.cn |
Same first word
Similar names
DNS History
13 records (3 active, 10 former)
○NSjm1.dns.com2020-03-15 → 2020-03-15 · 4 obs
● 2020-03-15 18:38:10
○ 2026-03-09 09:15:40
○ 2026-08-03 21:10:00
○NSjm2.dns.com2020-03-15 → 2020-03-15 · 4 obs
● 2020-03-15 18:38:10
○ 2026-03-09 09:15:40
○ 2026-08-03 21:10:00
●NSns1.nowcndns.com2026-03-09 → 2026-08-03 · 3 obs
● 2026-03-09 09:15:40
● 2026-08-03 21:10:00
○NSns11.xincache.com2015-12-21 → 2017-03-31 · 4 obs
● 2017-03-31 10:25:24
○ 2020-03-15 18:38:10
○ 2026-08-03 21:10:00
○NSns12.xincache.com2015-12-21 → 2017-03-31 · 4 obs
● 2017-03-31 10:25:24
○ 2020-03-15 18:38:10
○ 2026-08-03 21:10:00
●NSns2.nowcndns.com2026-03-09 → 2026-08-03 · 3 obs
● 2026-03-09 09:15:40
● 2026-08-03 21:10:00
○MXmxbiz1.qq.com2015-12-21 → 2017-03-31 · 4 obs
● 2017-03-31 10:25:24
○ 2026-03-09 09:15:40
○ 2026-08-03 21:10:00
○MXmxbiz2.qq.com2015-12-21 → 2017-03-31 · 4 obs
● 2017-03-31 10:25:24
○ 2026-03-09 09:15:40
○ 2026-08-03 21:10:00
○A119.10.121.1902016-07-18 → 2016-07-18 · 3 obs
○ 2017-03-31 10:25:24
○ 2026-08-03 21:10:00
○A120.133.5.602017-03-31 → 2017-03-31 · 4 obs
● 2017-03-31 10:25:24
○ 2020-03-15 18:38:10
○ 2026-08-03 21:10:00
●A38.12.179.1872026-06-04 → 2026-08-03 · 5 obs
● 2026-06-04 19:05:14
○ 2026-08-03 12:34:56
● 2026-08-03 13:31:40
● 2026-08-03 21:10:00
○A38.28.187.2432026-03-09 → 2026-03-31 · 5 obs
● 2026-03-09 09:15:40
● 2026-03-31 23:14:52
○ 2026-06-04 19:05:14
○ 2026-08-03 21:10:00
○CNAMEwww.codsc.cn2020-03-15 → 2020-03-15 · 3 obs
○ 2026-03-09 09:15:40
○ 2026-08-03 21:10:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| codsc.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server:218.98.111.129
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for codsc.cn (unsigned zone)
⏱️ Timing
Total: 3110ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.12.179.187 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
Hierarchy
www.codsc.cn is delegated beneath codsc.cn.
IP Addresses
codsc.cn points to a single IP number: 38.12.179.187.
Additional host names — www.xuexibar.cn, bhdb.com.cn, www.javatx.cn and two others — share IP numbers with codsc.cn.
Name Servers
codsc.cn is served by two delegated name servers, ns1.nowcndns.com and ns2.nowcndns.com.
codsc.cn shares its name server setup with other domains, including hetu.net.cn, sfgmz.cn, jzbbc.com.cn and two others.
ns1.nowcndns.com points to 1.193.216.204, 218.98.111.129 and 218.98.111.138. ns2.nowcndns.com points to 61.158.128.11, 183.253.57.202 and 211.99.99.38. Both hosts resolve to three IP numbers.