ctw.inc - robtex.com
ctw.inc
inc
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.nic.inc | ||||||
| NS | b.nic.inc | ||||||
| NS | c.nic.inc | ||||||
| NS | d.nic.inc | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1786965181 | ||||||
Subdomains
www.ctw.inc |
Same first word
Similar names
DNS History
11 records (9 active, 2 former)
●NSns-1188.awsdns-20.org2026-08-08 → 2026-08-17 · 2 obs
● 2026-08-17 12:01:46
●NSns-1558.awsdns-02.co.uk2026-08-08 → 2026-08-17 · 2 obs
● 2026-08-17 12:01:46
●NSns-303.awsdns-37.com2026-08-08 → 2026-08-17 · 2 obs
● 2026-08-17 12:01:46
●NSns-622.awsdns-13.net2026-08-08 → 2026-08-17 · 2 obs
● 2026-08-17 12:01:46
●MXmx1.qiye.aliyun.com2026-08-08 → 2026-08-17 · 2 obs
● 2026-08-17 12:01:46
●MXmx2.qiye.aliyun.com2026-08-08 → 2026-08-17 · 2 obs
● 2026-08-17 12:01:46
●MXmx3.qiye.aliyun.com2026-08-08 → 2026-08-17 · 2 obs
● 2026-08-17 12:01:46
●A16.76.73.1052026-08-15 → 2026-08-17 · 3 obs
● 2026-08-15 13:36:52
● 2026-08-17 12:01:46
●A35.74.45.1402026-08-15 → 2026-08-17 · 3 obs
● 2026-08-15 13:36:52
● 2026-08-17 12:01:46
○A52.192.162.252026-08-08 → 2026-08-08 · 3 obs
○ 2026-08-15 13:36:52
○ 2026-08-17 12:01:46
○A54.248.125.2092026-08-08 → 2026-08-08 · 3 obs
○ 2026-08-15 13:36:52
○ 2026-08-17 12:01:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| inc | c.nic.inc, b.nic.inc, a.nic.inc, d.nic.inc | 8 records |
| ctw.inc | ns-1188.awsdns-20.org, ns-303.awsdns-37.com, ns-1558.awsdns-02.co.uk, ns-622.awsdns-13.net | - |
✅ Authoritative Response
Server:205.251.198.22
NS records: ns-1188.awsdns-20.org, ns-303.awsdns-37.com, ns-1558.awsdns-02.co.uk, ns-622.awsdns-13.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctw.inc (unsigned zone)
⏱️ Timing
Total: 698ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 16.76.73.105, 35.74.45.140 |
| NS | 4 | ns-1188.awsdns-20.org, ns-1558.awsdns-02.co.uk... |
| MX | 3 | mx2.qiye.aliyun.com (pri: 10), mx3.qiye.aliyun.com (pri: 15)... |
| TXT | 6 | 1password-site-verification=JSHYU5TR2FG6, atlassian-domain-verification=ahqz5Mo7Kk... |
| SOA | 1 | ns-1558.awsdns-02.co.uk awsdns-hostmaste |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (d.nic.inc, c.nic.inc, b.nic.inc...)
Analysis
Hierarchy
www.ctw.inc is delegated beneath ctw.inc.
IP Addresses
ctw.inc has two IP addresses: 16.76.73.105 and 35.74.45.140
Name Servers
The NS records for ctw.inc point to four name servers: ns-303.awsdns-37.com, ns-622.awsdns-13.net, ns-1188.awsdns-20.org and ns-1558.awsdns-02.co.uk.
There is at least partial name server overlap between ctw.inc and other domains — abc-clio.com, dreamhop.jp, 18-hk8rt-b-secure.com and two more among them.
All four hostnames — ns-303.awsdns-37.com, ns-622.awsdns-13.net, ns-1188.awsdns-20.org and ns-1558.awsdns-02.co.uk — resolve to two IP numbers apiece: ns-303.awsdns-37.com to 205.251.193.47 and 2600:9000:5301:2f00::1; ns-622.awsdns-13.net to 205.251.194.110 and 2600:9000:5302:6e00::1; ns-1188.awsdns-20.org to 205.251.196.164 and 2600:9000:5304:a400::1; ns-1558.awsdns-02.co.uk to 205.251.198.22 and 2600:9000:5306:1600::1.
Mail Servers
Incoming mail for ctw.inc is delivered via three mail servers: mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.
There is at least a partial MX overlap between ctw.inc and other domains, including tlbrake.com, ukeg.cn, mimido.com.cn and two others.
These mail servers are routinely seen in conjunction with the mail servers mxn.mxhichina.com and mxw.mxhichina.com.
Host names that have two IP addresses:
mx3.qiye.aliyun.com resolves to 47.246.136.231 and 47.246.137.47.
Host names that point to one IP address:
mx1.qiye.aliyun.com resolves to 47.246.137.47.
mx2.qiye.aliyun.com resolves to 47.246.136.231.
The host names mx3.qiye.aliyun.com and mx2.qiye.aliyun.com both resolve to 47.246.136.231 IP addresses.
The host names mx3.qiye.aliyun.com and mx1.qiye.aliyun.com both resolve to 47.246.137.47 IP addresses.