bitdev.cn - dns.ninja
bitdev.cn
| DNSSEC | โ ๏ธ Not signed | ||||||
| NS | a.ezdnscenter.com โ ๏ธ Not in zone NS records | ||||||
| A | 218.98.111.140๐ฉ๐ช HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | b.ezdnscenter.com โ ๏ธ Not in zone NS records | ||||||
| A | 183.253.57.210๐จ๐ณ CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.58๐จ๐ณ DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
cn
| DNSSEC | ๐ Signed (DS record present) | ||||||
| NS | a.dns.cn โญ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net โ ๏ธ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034917593 | ||||||
Subdomains
Same first word
Similar names
DNS History
7 records (2 active, 5 former)
โNSa.ezdnscenter.com2026-02-15 โ 2026-06-14 ยท 6 obs
โ 2017-04-08 18:18:44
โ 2026-02-15 05:14:56
โ 2026-03-20 15:24:28
โ 2026-03-20 18:24:26
โ 2026-03-20 19:11:40
โ 2026-06-14 17:51:18
โ 2026-02-15 05:14:56
โ 2026-03-20 15:24:28
โ 2026-03-20 18:24:26
โ 2026-03-20 19:11:40
โ 2026-06-14 17:51:18
โNSb.ezdnscenter.com2026-02-15 โ 2026-06-14 ยท 6 obs
โ 2017-04-08 18:18:44
โ 2026-02-15 05:14:56
โ 2026-03-20 15:24:28
โ 2026-03-20 18:24:26
โ 2026-03-20 19:11:40
โ 2026-06-14 17:51:18
โ 2026-02-15 05:14:56
โ 2026-03-20 15:24:28
โ 2026-03-20 18:24:26
โ 2026-03-20 19:11:40
โ 2026-06-14 17:51:18
โNSns1.cdncenter.com2015-07-18 โ 2017-04-08 ยท 4 obs
โ 2015-07-18 10:55:14
โ 2017-04-08 18:18:44
โ 2026-02-15 05:14:56
โ 2026-06-14 17:51:18
โ 2017-04-08 18:18:44
โ 2026-02-15 05:14:56
โ 2026-06-14 17:51:18
โNSns2.cdncenter.com2015-07-18 โ 2017-04-08 ยท 4 obs
โ 2015-07-18 10:55:14
โ 2017-04-08 18:18:44
โ 2026-02-15 05:14:56
โ 2026-06-14 17:51:18
โ 2017-04-08 18:18:44
โ 2026-02-15 05:14:56
โ 2026-06-14 17:51:18
โMXmail.bitdev.cn2015-07-18 โ 2026-02-17 ยท 4 obs
โ 2015-07-18 10:55:14
โ 2026-02-17 00:30:48
โ 2026-02-18 22:42:26
โ 2026-06-14 17:51:18
โ 2026-02-17 00:30:48
โ 2026-02-18 22:42:26
โ 2026-06-14 17:51:18
โA103.21.141.1302026-02-15 โ 2026-06-14 ยท 18 obs
โ 2017-04-08 18:18:44
โ 2026-02-15 05:14:56
โ 2026-03-20 15:24:28
โ 2026-03-20 18:24:26
โ 2026-03-20 19:11:40
โ 2026-06-06 00:59:06
โ 2026-06-06 09:37:22
โ 2026-06-06 13:55:50
โ 2026-06-06 16:16:40
โ 2026-06-08 04:37:08
โ 2026-06-10 06:06:46
โ 2026-06-10 19:38:20
โ 2026-06-11 06:31:56
โ 2026-06-11 08:42:42
โ 2026-06-13 03:06:26
โ 2026-06-14 10:23:56
โ 2026-06-14 15:33:22
โ 2026-06-14 17:51:18
โ 2026-02-15 05:14:56
โ 2026-03-20 15:24:28
โ 2026-03-20 18:24:26
โ 2026-03-20 19:11:40
โ 2026-06-06 00:59:06
โ 2026-06-06 09:37:22
โ 2026-06-06 13:55:50
โ 2026-06-06 16:16:40
โ 2026-06-08 04:37:08
โ 2026-06-10 06:06:46
โ 2026-06-10 19:38:20
โ 2026-06-11 06:31:56
โ 2026-06-11 08:42:42
โ 2026-06-13 03:06:26
โ 2026-06-14 10:23:56
โ 2026-06-14 15:33:22
โ 2026-06-14 17:51:18
โA114.80.156.672015-07-18 โ 2017-04-08 ยท 4 obs
โ 2015-07-18 10:55:14
โ 2017-04-08 18:18:44
โ 2026-02-15 05:14:56
โ 2026-06-14 17:51:18
โ 2017-04-08 18:18:44
โ 2026-02-15 05:14:56
โ 2026-06-14 17:51:18
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, d.dns.cn, b.dns.cn, c.dns.cn... | - |
| bitdev.cn | a.ezdnscenter.com, b.ezdnscenter.com | - |
โ Authoritative Response
Server:183.253.57.210
NS records: a.ezdnscenter.com, b.ezdnscenter.com
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for bitdev.cn (unsigned zone)
โฑ๏ธ Timing
Total: 1921ms | Queries: -
๐ 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.