mastercom.cn - dns.ninja
mastercom.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 119.29.23.222🇨🇳 TENCENT-NET-AP119.29.22.0/23 Proxy-registered route object | ||||||
| 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) | ||||||
| TXT | v=spf1 include:spf.mail.qq.com ~all | ||||||
| SOA | a.ezdnscenter.comdnsadmin@ezdnscenter.com serial=1772532801 | ||||||
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=2035157112 | ||||||
Same first word
Similar names
DNS History
15 records (5 active, 10 former)
●NSa.ezdnscenter.com2026-02-20 → 2026-08-08 · 3 obs
● 2026-02-20 17:14:26
● 2026-08-08 22:31:30
●NSb.ezdnscenter.com2026-02-20 → 2026-08-08 · 3 obs
● 2026-02-20 17:14:26
● 2026-08-08 22:31:30
○NSf1g1ns1.dnspod.net2015-08-21 → 2015-08-21 · 3 obs
○ 2015-12-14 01:12:44
○ 2026-08-08 22:31:30
○NSns1.ezdnscenter.com2015-12-14 → 2017-03-21 · 5 obs
● 2015-12-14 01:12:44
● 2017-03-21 03:07:32
○ 2026-02-20 17:14:26
○ 2026-08-08 22:31:30
○NSns2.ezdnscenter.com2015-12-14 → 2017-03-21 · 5 obs
● 2015-12-14 01:12:44
● 2017-03-21 03:07:32
○ 2026-02-20 17:14:26
○ 2026-08-08 22:31:30
○NSns3.ezdnscenter.com2015-12-14 → 2017-03-21 · 5 obs
● 2015-12-14 01:12:44
● 2017-03-21 03:07:32
○ 2026-02-20 17:14:26
○ 2026-08-08 22:31:30
○NSns4.ezdnscenter.com2015-12-14 → 2017-03-21 · 5 obs
● 2015-12-14 01:12:44
● 2017-03-21 03:07:32
○ 2026-02-20 17:14:26
○ 2026-08-08 22:31:30
○NSns5.ezdnscenter.com2015-12-14 → 2017-03-21 · 5 obs
● 2015-12-14 01:12:44
● 2017-03-21 03:07:32
○ 2026-02-20 17:14:26
○ 2026-08-08 22:31:30
○NSns6.ezdnscenter.com2015-12-14 → 2017-03-21 · 5 obs
● 2015-12-14 01:12:44
● 2017-03-21 03:07:32
○ 2026-02-20 17:14:26
○ 2026-08-08 22:31:30
○MXmastercommain.mastercom.cn2015-12-14 → 2016-07-20 · 4 obs
● 2016-07-20 02:48:08
○ 2017-03-21 03:07:32
○ 2026-08-08 22:31:30
●MXmxbiz1.qq.com2017-03-21 → 2026-08-08 · 3 obs
● 2017-03-21 03:07:32
● 2026-08-08 22:31:30
●MXmxbiz2.qq.com2017-03-21 → 2026-08-08 · 3 obs
● 2017-03-21 03:07:32
● 2026-08-08 22:31:30
○A114.80.156.1002015-12-14 → 2015-12-14 · 4 obs
● 2015-12-14 01:12:44
○ 2016-03-27 06:19:38
○ 2026-08-08 22:31:30
●A119.29.23.2222016-03-27 → 2026-08-08 · 3 obs
● 2016-03-27 06:19:38
● 2026-08-08 22:31:30
○A59.40.97.862015-08-21 → 2015-08-21 · 3 obs
○ 2015-12-14 01:12:44
○ 2026-08-08 22:31:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, c.dns.cn, e.dns.cn, a.dns.cn... | - |
| mastercom.cn | a.ezdnscenter.com, b.ezdnscenter.com | - |
✅ Authoritative Response
Server:211.99.99.58
NS records: a.ezdnscenter.com, b.ezdnscenter.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mastercom.cn (unsigned zone)
⏱️ Timing
Total: 1038ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 119.29.23.222 |
| NS | 2 | a.ezdnscenter.com, b.ezdnscenter.com |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.mail.qq.com ~all |
| SOA | 1 | a.ezdnscenter.com dnsadmin.ezdnscenter.c |
Analysis
IP Addresses
mastercom.cn resolves to just one IP address, 119.29.23.222.
Name Servers
Two name servers handle the delegation for mastercom.cn: a.ezdnscenter.com and b.ezdnscenter.com.
mastercom.cn shares its NS records with other domains, for example zjbnam.com, chelenemacau.com, nekolines.com and two others.
mastercom.cn is at least partially co-delegated on name servers with other domains, such as hunghsin.com.
Host names that have two IP addresses:
b.ezdnscenter.com resolves to two addresses: 183.253.57.210 and 211.99.99.58.
Host names that point to one IP address:
The hostname a.ezdnscenter.com resolves to 218.98.111.140.
Mail Servers
mastercom.cn is served by two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.
Among the domains sharing a mail server setup with mastercom.cn are 99sbl.com, airkus.com, etbsz.com and two others.
There is at least a partial MX overlap between mastercom.cn and other domains, including xhgsb.com, aiinbi.com, cuonei.cn and two others.