cztsdz.com - robtex.com
cztsdz.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 61.129.102.96🇨🇳 SHANGHAITELECOM61.129.102.0/24 SHIDC | ||||||
| NS | ns3.chinanetidc.com ⚠️ Not in zone NS records | ||||||
| A | 61.129.102.67🇨🇳 SHANGHAITELECOM61.129.102.0/24 SHIDC | ||||||
| NS | ns4.chinanetidc.com ⚠️ Not in zone NS records | ||||||
| A | 159.138.43.193🇭🇰 HWCSNET159.138.32.0/20 HUAWEI INTERNATIONAL PTE. LTD. 15A Changi Business Park Central 1 Eightrium 03-03/04 | ||||||
| PTR | mail-fw4.bolead.com | ||||||
| MX | mail.cztsdz.com ⭐ | ||||||
| A | 61.129.102.59🇨🇳 SHANGHAITELECOM61.129.102.0/24 SHIDC | ||||||
| PTR | qmail.bolead.com | ||||||
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=1786915614 | ||||||
Subdomains
mail.cztsdz.com |
Same first word
cztsdz.com |
Similar names
DNS History
8 records (4 active, 4 former)
○NSdns.bizcn.com2015-06-28 → 2018-10-13 · 5 obs
○ 2015-11-27 12:36:42
● 2018-10-13 22:01:16
○ 2026-03-27 08:24:50
○ 2026-08-16 21:28:34
○NSdns.cnmsn.net2015-06-28 → 2015-06-28 · 3 obs
○ 2015-11-27 12:36:42
○ 2026-08-16 21:28:34
●NSns3.chinanetidc.com2026-03-27 → 2026-08-16 · 3 obs
● 2026-03-27 08:24:50
● 2026-08-16 21:28:34
●NSns4.chinanetidc.com2026-03-27 → 2026-08-16 · 3 obs
● 2026-03-27 08:24:50
● 2026-08-16 21:28:34
○NSns7.cnmsn.net2015-11-27 → 2018-10-13 · 5 obs
● 2015-11-27 12:36:42
● 2018-10-13 22:01:16
○ 2026-03-27 08:24:50
○ 2026-08-16 21:28:34
○NSns8.cnmsn.net2015-11-27 → 2018-10-13 · 5 obs
● 2015-11-27 12:36:42
● 2018-10-13 22:01:16
○ 2026-03-27 08:24:50
○ 2026-08-16 21:28:34
●MXmail.cztsdz.com2015-06-28 → 2026-08-16 · 2 obs
● 2026-08-16 21:28:34
●A61.129.102.962015-06-28 → 2026-08-16 · 2 obs
● 2026-08-16 21:28:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net... | - |
| cztsdz.com | ns3.chinanetidc.com, ns4.chinanetidc.com | 2 records |
✅ Authoritative Response
Server:61.129.102.67
NS records: ns3.chinanetidc.com, ns4.chinanetidc.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cztsdz.com (unsigned zone)
⏱️ Timing
Total: 591ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 61.129.102.96 |
| MX | 1 | mail.cztsdz.com (pri: 8) |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns3.chinanetidc.com, ns4.chinanetidc.com)
Analysis
Hierarchy
The domain mail.cztsdz.com falls under the parent cztsdz.com.
IP Addresses
cztsdz.com resolves to one IP address: 61.129.102.96.
0391zzb.com, syyxt.com, lgmft.com and two other host names share IP numbers with cztsdz.com.
Name Servers
cztsdz.com uses two name servers for its delegation: ns3.chinanetidc.com and ns4.chinanetidc.com.
cztsdz.com uses the same name servers as several other domains — among them mqqi.com, wxzj.net.cn, vandf.cn and two more.
At least some of cztsdz.com's name servers are shared with other domains, for example feikun.com, kevebron.com, gskxyz.com and two more.
These name servers tend to be deployed in combination with the name servers ns5.bolead.com and ns6.bolead.com.
Each of ns3.chinanetidc.com and ns4.chinanetidc.com has one IP address: ns3.chinanetidc.com uses 61.129.102.67 and ns4.chinanetidc.com uses 159.138.43.193.
Mail Servers
Mail for cztsdz.com is handled by a single mail server, mail.cztsdz.com.
mail.cztsdz.com directs to just one IP number, 61.129.102.59.