t-training.cn - robtex.com
t-training.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=2035113672 | ||||||
Same first word
t-training.com |
t-training.cn |
DNS History
5 records (2 active, 3 former)
●NSa.ezdnscenter.com2026-07-11 → 2026-07-31 · 2 obs
● 2026-07-11 09:48:34
● 2026-07-31 01:06:34
● 2026-07-31 01:06:34
●NSb.ezdnscenter.com2026-07-11 → 2026-07-31 · 2 obs
● 2026-07-11 09:48:34
● 2026-07-31 01:06:34
● 2026-07-31 01:06:34
○MXmxn.mxhichina.com2026-07-11 → 2026-07-11 · 2 obs
● 2026-07-11 09:48:34
○ 2026-07-31 01:06:34
○ 2026-07-31 01:06:34
○MXmxw.mxhichina.com2026-07-11 → 2026-07-11 · 2 obs
● 2026-07-11 09:48:34
○ 2026-07-31 01:06:34
○ 2026-07-31 01:06:34
○A114.80.156.1042026-07-11 → 2026-07-11 · 2 obs
● 2026-07-11 09:48:34
○ 2026-07-31 01:06:34
○ 2026-07-31 01:06:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| t-training.cn | a.ezdnscenter.com, b.ezdnscenter.com | - |
✅ Authoritative Response
Server:218.98.111.140
NS records: a.ezdnscenter.com, b.ezdnscenter.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at t-training.cn: Error: DNS query timeout: 203.119.25.1 for DS t-training.cn
⏱️ Timing
Total: 4568ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 114.80.156.104 |
| NS | 2 | a.ezdnscenter.com, b.ezdnscenter.com |
| MX | 2 | mxw.mxhichina.com (pri: 10), mxn.mxhichina.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.mxhichina.com -all |
| SOA | 1 | a.ezdnscenter.com dnsadmin.ezdnscenter.c |
Analysis
Name Servers
t-training.cn is served by two delegated name servers, a.ezdnscenter.com and b.ezdnscenter.com.
The name server configuration of t-training.cn is shared with other domains, for instance entook.com, cnyscw.com, sinocw.com and two others.
Host names pointing to two IP addresses:
b.ezdnscenter.com maps to two IP addresses — 183.253.57.210 and 211.99.99.58.
Host names resolving to a single IP address:
a.ezdnscenter.com points to the IP address 218.98.111.140.