bitdev.cn - dns.ninja
bitdev.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.21.141.130🇨🇳 SHANGHAITELECOM103.21.140.0/23 SHIDC | ||||||
| NS | a.ezdnscenter.com ⭐ | ||||||
| A | 218.98.111.140🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | b.ezdnscenter.com | ||||||
| A | 183.253.57.210🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.58🇨🇳 DONGGUAN-1211.99.99.0/24 | ||||||
| SOA | a.ezdnscenter.comdnsadmin@ezdnscenter.com serial=1751342709 | ||||||
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=2035125299 | ||||||
Subdomains
www.bitdev.cn |
Same first word
Similar names
DNS History
7 records (3 active, 4 former)
●NSa.ezdnscenter.com2026-02-15 → 2026-08-02 · 6 obs
● 2026-02-15 05:14:56
● 2026-03-20 15:24:28
○ 2026-03-20 18:24:26
● 2026-03-20 19:11:40
● 2026-08-02 20:54:30
●NSb.ezdnscenter.com2026-02-15 → 2026-08-02 · 6 obs
● 2026-02-15 05:14:56
● 2026-03-20 15:24:28
○ 2026-03-20 18:24:26
● 2026-03-20 19:11:40
● 2026-08-02 20:54:30
○NSns1.cdncenter.com2015-07-18 → 2017-04-08 · 4 obs
● 2017-04-08 18:18:44
○ 2026-02-15 05:14:56
○ 2026-08-02 20:54:30
○NSns2.cdncenter.com2015-07-18 → 2017-04-08 · 4 obs
● 2017-04-08 18:18:44
○ 2026-02-15 05:14:56
○ 2026-08-02 20:54:30
○MXmail.bitdev.cn2015-07-18 → 2026-02-17 · 4 obs
● 2026-02-17 00:30:48
○ 2026-02-18 22:42:26
○ 2026-08-02 20:54:30
●A103.21.141.1302026-02-15 → 2026-08-02 · 53 obs
● 2026-02-15 05:14:56
● 2026-03-20 15:24:28
○ 2026-03-20 18:24:26
● 2026-03-20 19:11:40
● 2026-06-06 00:59:06
○ 2026-06-06 09:37:22
○ 2026-06-06 13:55:50
● 2026-06-06 16:16:40
● 2026-06-08 04:37:08
○ 2026-06-10 06:06:46
● 2026-06-10 19:38:20
● 2026-06-11 06:31:56
○ 2026-06-11 08:42:42
● 2026-06-13 03:06:26
● 2026-06-14 10:23:56
○ 2026-06-14 15:33:22
○ 2026-06-14 17:19:00
● 2026-06-14 17:51:22
● 2026-06-17 07:44:52
○ 2026-06-20 16:08:12
● 2026-06-22 09:35:32
○ 2026-06-26 05:37:10
● 2026-06-26 09:28:38
○ 2026-06-26 14:15:16
● 2026-06-26 14:48:52
○ 2026-06-26 15:31:20
● 2026-06-26 18:04:16
○ 2026-06-27 08:46:08
● 2026-06-27 13:16:46
○ 2026-06-28 01:57:08
● 2026-06-28 08:41:10
○ 2026-06-29 17:28:04
● 2026-06-30 07:12:16
○ 2026-07-03 13:25:44
● 2026-07-04 09:10:30
○ 2026-07-10 20:04:16
● 2026-07-11 12:24:22
○ 2026-07-11 18:19:04
● 2026-07-12 06:15:06
○ 2026-07-15 04:58:14
● 2026-07-16 01:14:24
○ 2026-07-26 06:53:20
● 2026-07-26 09:28:50
○ 2026-07-27 02:00:08
● 2026-07-27 20:27:54
○ 2026-07-28 02:28:28
● 2026-07-28 11:19:00
○ 2026-07-30 05:19:30
● 2026-07-30 09:39:06
○ 2026-08-01 11:10:12
● 2026-08-02 13:45:14
● 2026-08-02 20:54:30
○A114.80.156.672015-07-18 → 2017-04-08 · 4 obs
● 2017-04-08 18:18:44
○ 2026-02-15 05:14:56
○ 2026-08-02 20:54:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, c.dns.cn, b.dns.cn, d.dns.cn... | - |
| bitdev.cn | a.ezdnscenter.com, b.ezdnscenter.com | - |
✅ Authoritative Response
Server:218.98.111.140
NS records: a.ezdnscenter.com, b.ezdnscenter.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bitdev.cn (unsigned zone)
⏱️ Timing
Total: 1830ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.21.141.130 |
| NS | 2 | a.ezdnscenter.com, b.ezdnscenter.com |
| SOA | 1 | a.ezdnscenter.com dnsadmin.ezdnscenter.c |
Analysis
Hierarchy
bitdev.cn is the parent zone for www.bitdev.cn.
IP Addresses
bitdev.cn directs to one IP number, which is 103.21.141.130.
Among the host names that share IP numbers with bitdev.cn are sdhjty.com, ahqiaokang.com, scikoon-dsh.com and two others.
Name Servers
bitdev.cn uses two name servers for its delegation: a.ezdnscenter.com and b.ezdnscenter.com.
bitdev.cn has the same name server delegation as a number of other domains, such as pxfygk.gov.cn, bbwnzw.com, esaohao.com and two more.
Hosts with two IP numbers each:
b.ezdnscenter.com directs traffic to 183.253.57.210 and 211.99.99.58.
Hosts that resolve to one IP address:
a.ezdnscenter.com has the IP address 218.98.111.140.