tcast.cn - robtex.com
tcast.cn
| CNAME | ns1.dnsdiy.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 43.134.117.145🇸🇬 TENCENT-NET-AP-CN43.134.64.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES | ||||||
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=2034590369 | ||||||
Same first word
Similar names
DNS History
7 records (6 active, 1 former)
●NSdns11.hichina.com2018-05-11 → 2026-03-26 · 2 obs
● 2018-05-11 11:01:16
● 2026-03-26 18:18:22
● 2026-03-26 18:18:22
●NSdns12.hichina.com2018-05-11 → 2026-03-26 · 2 obs
● 2018-05-11 11:01:16
● 2026-03-26 18:18:22
● 2026-03-26 18:18:22
●NSns1.alidns.com2026-03-25 → 2026-03-26 · 3 obs
○ 2018-05-11 11:01:16
● 2026-03-25 23:33:42
● 2026-03-26 18:18:22
● 2026-03-25 23:33:42
● 2026-03-26 18:18:22
●NSns2.alidns.com2026-03-25 → 2026-03-26 · 3 obs
○ 2018-05-11 11:01:16
● 2026-03-25 23:33:42
● 2026-03-26 18:18:22
● 2026-03-25 23:33:42
● 2026-03-26 18:18:22
●MXmailserver.purelymail.com2026-03-25 → 2026-03-26 · 2 obs
● 2026-03-25 23:33:42
● 2026-03-26 18:18:22
● 2026-03-26 18:18:22
●CNAMEns1.dnsdiy.com2026-03-25 → 2026-03-26 · 3 obs
○ 2018-05-11 11:01:16
● 2026-03-25 23:33:42
● 2026-03-26 18:18:22
● 2026-03-25 23:33:42
● 2026-03-26 18:18:22
○CNAMEoverdue.aliyun.com2018-05-11 → 2018-05-11 · 3 obs
● 2018-05-11 11:01:16
○ 2026-03-25 23:33:42
○ 2026-03-26 18:18:22
○ 2026-03-25 23:33:42
○ 2026-03-26 18:18:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| tcast.cn | ns1.alidns.com, ns2.alidns.com | - |
✅ Authoritative Response
Server:139.224.142.116
NS records: ns1.alidns.com, ns2.alidns.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at tcast.cn: Error: DNS query timeout: 203.119.29.1 for DS tcast.cn
⏱️ Timing
Total: 4961ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns12.hichina.com, dns11.hichina.com |
| MX | 1 | mailserver.purelymail.com (pri: 10) |
| TXT | 5 | v=spf1 include:_spf.purelymail.com ~all, f129a4c8aa71a5ac08a2533e67e6edec0307ff5d... |
| CNAME | 1 | ns1.dnsdiy.com |
| SOA | 1 | dns11.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
tcast.cn points to a single IP address: 43.134.117.145.
Other host names, for instance ns2.dnsdiy.com, www.dnsdiy.com, dnsdiy.com and ns1.dnsdiy.com share IP numbers with tcast.cn.