bitdev.cn - dns.ninja
bitdev.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.ezdnscenter.com ⚠️ Not in zone NS records | ||||||
| A | 218.98.111.140🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | b.ezdnscenter.com ⚠️ Not in zone NS records | ||||||
| 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 | ||||||
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=2035124331 | ||||||
Subdomains
Same first word
Similar names
DNS History
7 records (2 active, 5 former)
●NSa.ezdnscenter.com2026-02-15 → 2026-08-02 · 6 obs
○ 2017-04-08 18:18:44
● 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 13:45:12
● 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 13:45:12
●NSb.ezdnscenter.com2026-02-15 → 2026-08-02 · 6 obs
○ 2017-04-08 18:18:44
● 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 13:45:12
● 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 13:45:12
○NSns1.cdncenter.com2015-07-18 → 2017-04-08 · 4 obs
● 2015-07-18 10:55:14
● 2017-04-08 18:18:44
○ 2026-02-15 05:14:56
○ 2026-08-02 13:45:12
● 2017-04-08 18:18:44
○ 2026-02-15 05:14:56
○ 2026-08-02 13:45:12
○NSns2.cdncenter.com2015-07-18 → 2017-04-08 · 4 obs
● 2015-07-18 10:55:14
● 2017-04-08 18:18:44
○ 2026-02-15 05:14:56
○ 2026-08-02 13:45:12
● 2017-04-08 18:18:44
○ 2026-02-15 05:14:56
○ 2026-08-02 13:45:12
○MXmail.bitdev.cn2015-07-18 → 2026-02-17 · 4 obs
● 2015-07-18 10:55:14
● 2026-02-17 00:30:48
○ 2026-02-18 22:42:26
○ 2026-08-02 13:45:12
● 2026-02-17 00:30:48
○ 2026-02-18 22:42:26
○ 2026-08-02 13:45:12
○A103.21.141.1302026-02-15 → 2026-07-30 · 52 obs
○ 2017-04-08 18:18:44
● 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 13:45:12
● 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 13:45:12
○A114.80.156.672015-07-18 → 2017-04-08 · 4 obs
● 2015-07-18 10:55:14
● 2017-04-08 18:18:44
○ 2026-02-15 05:14:56
○ 2026-08-02 13:45:12
● 2017-04-08 18:18:44
○ 2026-02-15 05:14:56
○ 2026-08-02 13:45:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.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: 1868ms | 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
The parent domain of www.bitdev.cn and mail.bitdev.cn is bitdev.cn.
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.