ctdcn.com - robtex.com
ctdcn.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=1785576262 | ||||||
Same first word
Similar names
DNS History
15 records (8 active, 7 former)
○NS(root)2015-06-21 → 2020-02-12 · 5 obs
● 2015-06-21 10:39:52
● 2020-02-12 08:39:42
○ 2026-05-20 04:50:12
○ 2026-08-01 09:54:44
●NSns1.35.net2026-05-20 → 2026-08-01 · 3 obs
● 2026-05-20 04:50:12
● 2026-08-01 09:54:44
○NSns1.dns-diy.com2007-11-15 → 2007-11-15 · 3 obs
○ 2015-06-21 10:39:52
○ 2026-08-01 09:54:44
●NSns2.35.net2026-05-20 → 2026-08-01 · 3 obs
● 2026-05-20 04:50:12
● 2026-08-01 09:54:44
○NSns2.dns-diy.com2007-11-15 → 2007-11-15 · 3 obs
○ 2015-06-21 10:39:52
○ 2026-08-01 09:54:44
●NSns3.35.net2026-05-20 → 2026-08-01 · 3 obs
● 2026-05-20 04:50:12
● 2026-08-01 09:54:44
●NSns4.35.net2026-05-20 → 2026-08-01 · 3 obs
● 2026-05-20 04:50:12
● 2026-08-01 09:54:44
○MXmx.sina.net2007-11-15 → 2007-11-15 · 3 obs
○ 2015-06-21 10:39:52
○ 2026-08-01 09:54:44
●MXmxbiz1.qq.com2020-02-12 → 2026-08-01 · 5 obs
● 2020-02-12 08:39:42
● 2026-05-20 04:50:12
○ 2026-06-27 16:12:58
● 2026-08-01 09:54:44
●MXmxbiz2.qq.com2020-02-12 → 2026-08-01 · 5 obs
● 2020-02-12 08:39:42
● 2026-05-20 04:50:12
○ 2026-06-27 16:12:58
● 2026-08-01 09:54:44
○MXqiye163mx01.mxmail.netease.com2015-06-21 → 2017-03-28 · 5 obs
● 2015-06-21 10:39:52
● 2017-03-28 09:53:32
○ 2020-02-12 08:39:42
○ 2026-08-01 09:54:44
○MXqiye163mx02.mxmail.netease.com2015-06-21 → 2017-03-28 · 5 obs
● 2015-06-21 10:39:52
● 2017-03-28 09:53:32
○ 2020-02-12 08:39:42
○ 2026-08-01 09:54:44
●A119.57.97.1382026-05-20 → 2026-08-01 · 4 obs
● 2026-05-20 04:50:12
○ 2026-06-27 16:12:58
● 2026-08-01 09:54:44
●A120.78.78.92026-05-20 → 2026-08-01 · 4 obs
● 2026-05-20 04:50:12
○ 2026-06-27 16:12:58
● 2026-08-01 09:54:44
○A218.30.96.902007-11-15 → 2007-11-15 · 3 obs
○ 2015-06-21 10:39:52
○ 2026-08-01 09:54:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| ctdcn.com | ns3.35.net, ns2.35.net, ns1.35.net, ns4.35.net | - |
✅ Authoritative Response
Server:61.172.183.77
NS records: ns3.35.net, ns2.35.net, ns1.35.net, ns4.35.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctdcn.com (unsigned zone)
⏱️ Timing
Total: 1140ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 120.78.78.9, 119.57.97.138 |
| NS | 4 | ns3.35.net, ns4.35.net... |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.mail.qq.com ~all |
| SOA | 1 | ns1.35.net dnsconct.myhostadmin.net |
Analysis
IP Addresses
ctdcn.com resolves to the IP addresses 119.57.97.138 and 120.78.78.9
Name Servers
The authoritative name servers for ctdcn.com are ns1.35.net, ns2.35.net, ns3.35.net and ns4.35.net.
ctdcn.com partially shares its NS delegation with several other domains, including xn--9kry6rr88b.net, jszbtb.com, yaous.cn and two others.
The name servers ns1.dns-diy.com, ns2.dns-diy.com, ns5.35.net and ns6.35.net are often found in use alongside these name servers.
Hosts that point to four IP numbers:
ns1.35.net maps to the following IP addresses: 60.247.150.254, 118.123.249.114, 118.123.253.132 and 240e:d9:c200::2.
Hostnames that resolve to three IP addresses:
ns2.35.net has IP addresses 61.172.183.73, 211.149.230.100 and 240e:d9:c200:1::2.
ns3.35.net has IP addresses 61.172.183.77, 118.123.249.114 and 240e:d9:c200::2.
ns4.35.net has IP addresses 118.123.253.132, 211.149.230.100 and 240e:d9:c200:1::2.
Host names pointing to 240e:d9:c200::2 IP addresses: ns1.35.net and ns3.35.net.
Host names pointing to 118.123.249.114 IP addresses: ns1.35.net and ns3.35.net.
Host names pointing to 118.123.253.132 IP addresses: ns1.35.net and ns4.35.net.
Host names pointing to 240e:d9:c200:1::2 IP addresses: ns2.35.net and ns4.35.net.
Host names pointing to 211.149.230.100 IP addresses: ns2.35.net and ns4.35.net.
Mail Servers
Mail for ctdcn.com is handled by two mail servers — mxbiz1.qq.com and mxbiz2.qq.com.
ctdcn.com uses an identical mail server configuration to several other domains — among them wuhanyudian.com, qiwap.com, ywhs.cn and two more.
The MX records for ctdcn.com are at least partially shared with other domains, such as misoft.com.cn, begears.com, taobangbang.com and kunpengzhan.com.