ctddz.com - robtex.com
ctddz.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=1774442122 | ||||||
Same first word
ctddz.com |
Similar names
DNS History
8 records (5 active, 3 former)
●NSdns17.hichina.com2026-03-11 → 2026-03-25 · 3 obs
● 2026-03-11 19:29:54
● 2026-03-25 12:37:28
●NSdns18.hichina.com2026-03-11 → 2026-03-25 · 3 obs
● 2026-03-11 19:29:54
● 2026-03-25 12:37:28
○NSns1.eedns.com2017-03-20 → 2017-03-20 · 3 obs
○ 2020-02-11 23:37:46
○ 2026-03-25 12:37:28
○NSns2.eedns.com2017-03-20 → 2017-03-20 · 3 obs
○ 2020-02-11 23:37:46
○ 2026-03-25 12:37:28
●MXmx1.qiye.aliyun.com2026-03-11 → 2026-03-25 · 2 obs
● 2026-03-25 12:37:28
●MXmx2.qiye.aliyun.com2026-03-11 → 2026-03-25 · 2 obs
● 2026-03-25 12:37:28
●MXmx3.qiye.aliyun.com2026-03-11 → 2026-03-25 · 2 obs
● 2026-03-25 12:37:28
○A47.89.39.982016-04-28 → 2016-04-28 · 3 obs
○ 2020-02-11 23:37:46
○ 2026-03-25 12:37:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net... | - |
| ctddz.com | dns17.hichina.com, dns18.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.40
NS records: dns17.hichina.com, dns18.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctddz.com (unsigned zone)
⏱️ Timing
Total: 3672ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns18.hichina.com, dns17.hichina.com |
| MX | 3 | mx2.qiye.aliyun.com (pri: 10), mx3.qiye.aliyun.com (pri: 10)... |
| TXT | 1 | v=spf1 include:spf.qiye.aliyun.com -all |
| SOA | 1 | dns17.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns17.hichina.com, dns17.hichina.com, dns17.hichina.com...)
Analysis
Name Servers
ctddz.com's delegation uses two name servers, dns17.hichina.com and dns18.hichina.com.
ctddz.com shares the same name server setup as other domains, for example asahitools.com.cn, lseel.com, 13953.com, conglory.com and 51insights.com.
ctddz.com partially shares its name servers with other domains, for example ch77.cn and galisun.com.
dns17.hichina.com points to: 2408:4009:501::25, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110.
dns18.hichina.com points to: 2408:4009:501::26, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.
Mail Servers
ctddz.com is handled by three mail servers: mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.
The mail servers for ctddz.com are shared with other domains, for instance whwiz.com, yepson.com, qdjrx.com, hwatek.com and nbabeite.com.
These mail servers are commonly used alongside mxn.mxhichina.com and mxw.mxhichina.com.
Host names with two IP numbers:
mx3.qiye.aliyun.com points to: 47.246.136.231 and 47.246.137.47.
Host names with one IP number:
mx1.qiye.aliyun.com points to: 47.246.146.58.
mx2.qiye.aliyun.com points to: 47.246.136.231.
Host names that point to 47.246.136.231: mx3.qiye.aliyun.com and mx2.qiye.aliyun.com.