tdht.com.cn - robtex.com
tdht.com.cn
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030478751 | ||||||
Subdomains
mail.tdht.com.cn |
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
●NSns19.xincache.com2015-08-01 → 2026-03-26 · 2 obs
● 2026-03-26 14:33:40
●NSns20.xincache.com2015-08-01 → 2026-03-26 · 2 obs
● 2026-03-26 14:33:40
○MXfreemail-g5.xinnetdns.com2015-08-01 → 2017-07-04 · 4 obs
● 2017-07-04 05:05:52
○ 2026-02-27 18:23:56
○ 2026-03-26 14:33:40
●MXmail.tdht.com.cn2026-02-27 → 2026-03-26 · 3 obs
● 2026-02-27 18:23:56
● 2026-03-26 14:33:40
●A114.255.156.1272026-02-27 → 2026-03-26 · 3 obs
● 2026-02-27 18:23:56
● 2026-03-26 14:33:40
○A119.10.36.552016-02-25 → 2016-05-06 · 5 obs
● 2016-02-25 11:28:20
● 2016-05-06 01:13:18
○ 2017-07-04 05:05:52
○ 2026-03-26 14:33:40
○A120.133.5.572017-07-04 → 2017-07-04 · 4 obs
● 2017-07-04 05:05:52
○ 2026-02-27 18:23:56
○ 2026-03-26 14:33:40
○A122.193.17.562015-08-01 → 2015-11-24 · 4 obs
● 2015-11-24 12:48:42
○ 2016-02-25 11:28:20
○ 2026-03-26 14:33:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| tdht.com.cn | ns19.xincache.com, ns20.xincache.com | - |
✅ Authoritative Response
Server:1.12.0.1
NS records: ns19.xincache.com, ns20.xincache.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at tdht.com.cn: Error: DNS query timeout: 203.119.29.1 for DS tdht.com.cn
⏱️ Timing
Total: 3520ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 114.255.156.127 |
| NS | 2 | ns19.xincache.com, ns20.xincache.com |
| MX | 1 | mail.tdht.com.cn (pri: 5) |
| TXT | 1 | v=spf1 mx ip4:p4:114.255.156.125 ~all |
| SOA | 1 | ns19.xincache.com enterprise1dnsadmin.dn |
Analysis
Hierarchy
tdht.com.cn is parent of mail.tdht.com.cn.
IP Addresses
tdht.com.cn points to a single IP: 114.255.156.127.
Other host names such as www.xbbn.com.cn, ccri.com.cn, mtghy.com and xbbn.com.cn share IP numbers with tdht.com.cn.
Name Servers
tdht.com.cn's delegation is to two name servers ns19.xincache.com and ns20.xincache.com.
tdht.com.cn shares the same name server configuration as other domains, such as hrbtiantan.com, sojoin.net, seastar-sh.com, jinbangtoy.com and sh000.com.
tdht.com.cn at least partially shares its name servers with other domains, for instance everesports.com, szsako.com, dgjyzc.com, baryte.net and tyi.cn.
These name servers are commonly used alongside ns11.xincache.com and ns12.xincache.com.
Host names with eight IP numbers: ns19.xincache.com points to: 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209. Host names with seven IP numbers: ns20.xincache.com points to: 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 112.80.181.111, 117.89.178.184, 129.211.176.239 and 163.177.5.23.
Mail Servers
tdht.com.cn is served by a single mail server, mail.tdht.com.cn.
mail.tdht.com.cn points to IP number 114.255.156.119.