cdosd.com - robtex.com
cdosd.com
| DNSSEC | ⚠️ Not signed | ||||||
| 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 | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| SOA | a.ezdnscenter.comdnsadmin@ezdnscenter.com serial=1751342707 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1784957207 | ||||||
Same first word
cdosd.com |
Similar names
DNS History
11 records (4 active, 7 former)
●NSa.ezdnscenter.com2026-06-08 → 2026-07-25 · 3 obs
● 2026-06-08 18:59:26
● 2026-07-25 05:28:42
●NSb.ezdnscenter.com2026-06-08 → 2026-07-25 · 3 obs
● 2026-06-08 18:59:26
● 2026-07-25 05:28:42
○NSns1.ezdnscenter.com2015-07-09 → 2018-08-24 · 4 obs
● 2018-08-24 05:46:58
○ 2026-06-08 18:59:26
○ 2026-07-25 05:28:42
○NSns2.ezdnscenter.com2015-07-09 → 2018-08-24 · 4 obs
● 2018-08-24 05:46:58
○ 2026-06-08 18:59:26
○ 2026-07-25 05:28:42
○NSns3.ezdnscenter.com2015-07-09 → 2018-08-24 · 4 obs
● 2018-08-24 05:46:58
○ 2026-06-08 18:59:26
○ 2026-07-25 05:28:42
○NSns4.ezdnscenter.com2015-07-09 → 2018-08-24 · 4 obs
● 2018-08-24 05:46:58
○ 2026-06-08 18:59:26
○ 2026-07-25 05:28:42
○NSns5.ezdnscenter.com2015-07-09 → 2018-08-24 · 4 obs
● 2018-08-24 05:46:58
○ 2026-06-08 18:59:26
○ 2026-07-25 05:28:42
○NSns6.ezdnscenter.com2015-07-09 → 2018-08-24 · 4 obs
● 2018-08-24 05:46:58
○ 2026-06-08 18:59:26
○ 2026-07-25 05:28:42
○A180.153.100.462015-07-09 → 2018-08-24 · 4 obs
● 2018-08-24 05:46:58
○ 2026-06-08 18:59:26
○ 2026-07-25 05:28:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cdosd.com | a.ezdnscenter.com, b.ezdnscenter.com | 3 records |
✅ Authoritative Response
Server:183.253.57.210
NS records: a.ezdnscenter.com, b.ezdnscenter.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cdosd.com (unsigned zone)
⏱️ Timing
Total: 1111ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | a.ezdnscenter.com, b.ezdnscenter.com |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5) |
| SOA | 1 | a.ezdnscenter.com dnsadmin.ezdnscenter.c |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (a.ezdnscenter.com, b.ezdnscenter.com, b.ezdnscenter.com)
Analysis
Name Servers
The NS records for cdosd.com delegate to a.ezdnscenter.com and b.ezdnscenter.com.
cdosd.com has the same name server delegation as a number of other domains, such as zenbond.com, rifauto.cn, 0523520.com and two more.
Hosts with two IP numbers each:
The A records for b.ezdnscenter.com return 183.253.57.210 and 211.99.99.58.
Hosts that resolve to one IP address:
a.ezdnscenter.com resolves to the IP address 218.98.111.140.
Mail Servers
The MX records for cdosd.com point to two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
cdosd.com has the same mail server arrangement as a number of other domains, for example cvbs.cn, zzrmyy.com, hzkaifa.com and two more.
cdosd.com partially shares its mail servers with other domains; known examples include cqjft.com, 16bindian.com and pooway.com.