ctchau.com - robtex.com
ctchau.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.3.234.46🇭🇰 HUTCHISON-AS-AP210.3.224.0/20 HGC Global Communications Limited 9/F Hutchison Telecom Tower 99 Cheung Fai Road | ||||||
| PTR | mail.etradehk.com | ||||||
| NS | ns1.mdtechcorp.com ⭐ | ||||||
| A | 210.3.234.46🇭🇰 HUTCHISON-AS-AP210.3.224.0/20 HGC Global Communications Limited 9/F Hutchison Telecom Tower 99 Cheung Fai Road | ||||||
| PTR | mail.etradehk.com | ||||||
| NS | ns2.mdtechcorp.com | ||||||
| A | 118.140.222.106🇭🇰 HUTCHISON-AS-AP118.140.192.0/19 HGC Global Communications Limited 9/F Hutchison Telecom Tower 99 Cheung Fai Road | ||||||
| PTR | static-bbs-106-222-140-118-on-nets.com | ||||||
| NS | ns3.mdtechcorp.com ⚠️ Not in parent delegation | ||||||
| A | 58.64.214.166🇭🇰 HKBNESL-AS-AP58.64.214.0/24 New World Telecommunications Limited Hong Kong Broadband Network Ltd 15/F, Trans Asia Centre 18 Kin Hong Street, Kwai Chung, N.T. | ||||||
| MX | mail003.d-information.com ⭐ | ||||||
| A | 118.140.222.106🇭🇰 HUTCHISON-AS-AP118.140.192.0/19 HGC Global Communications Limited 9/F Hutchison Telecom Tower 99 Cheung Fai Road | ||||||
| PTR | static-bbs-106-222-140-118-on-nets.com | ||||||
| TXT | v=spf1 ip4:210.3.234.46 ip4:103.26.120.114 ip4:61.244.222.57/29 ip4:61.244.21... | ||||||
| SOA | ns1.mdtechcorp.comhostmaster@mdtechcorp.com 2026-05-13 #45 | ||||||
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=1786184634 | ||||||
Same first word
ctchau.com |
Similar names
DNS History
6 records (5 active, 1 former)
●NSns1.mdtechcorp.com2015-07-04 → 2026-08-08 · 2 obs
● 2026-08-08 10:40:48
●NSns2.mdtechcorp.com2015-07-04 → 2026-08-08 · 2 obs
● 2026-08-08 10:40:48
●NSns3.mdtechcorp.com2015-07-04 → 2026-08-08 · 2 obs
● 2026-08-08 10:40:48
○MXmail.ctchau.com2015-07-04 → 2017-06-05 · 4 obs
● 2017-06-05 10:21:38
○ 2026-07-19 20:39:54
○ 2026-08-08 10:40:48
●MXmail003.d-information.com2026-07-19 → 2026-08-08 · 3 obs
● 2026-07-19 20:39:54
● 2026-08-08 10:40:48
●A210.3.234.462015-07-04 → 2026-08-08 · 2 obs
● 2026-08-08 10:40:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net... | - |
| ctchau.com | ns1.mdtechcorp.com, ns2.mdtechcorp.com | 2 records |
✅ Authoritative Response
Server:210.3.234.46
NS records: ns1.mdtechcorp.com, ns2.mdtechcorp.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctchau.com (unsigned zone)
⏱️ Timing
Total: 1444ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.3.234.46 |
| NS | 3 | ns3.mdtechcorp.com, ns1.mdtechcorp.com... |
| MX | 1 | mail003.d-information.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:210.3.234.46 ip4:103.26.120.1 |
| SOA | 1 | ns1.mdtechcorp.com hostmaster.mdtechcorp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.mdtechcorp.com, ns2.mdtechcorp.com)
Analysis
IP Addresses
ctchau.com resolves to one IP address: 210.3.234.46.
woofamily.org, buyingate.com, mdtechcorp.net and two other host names share IP numbers with ctchau.com.
Name Servers
The authoritative name servers for ctchau.com are ns1.mdtechcorp.com, ns2.mdtechcorp.com and ns3.mdtechcorp.com — three in total.
ctchau.com partially shares its NS delegation with several other domains, including moding.com.tw, mactechhk.com, d-information.com and two others.
These name servers regularly co-occur with the name servers ns4.mdtechcorp.com, ns1.md-sms.net and ns2.md-sms.net.
The hostnames ns1.mdtechcorp.com, ns2.mdtechcorp.com and ns3.mdtechcorp.com each resolve to a single IP: ns1.mdtechcorp.com → 210.3.234.46, ns2.mdtechcorp.com → 118.140.222.106, ns3.mdtechcorp.com → 58.64.214.166.
Mail Servers
Mail for ctchau.com is handled by a single mail server, mail003.d-information.com.
ctchau.com uses an identical mail server configuration to several other domains — among them md-sms.com, woofamily.org, mdtechcorp.net and two more.
mail003.d-information.com directs to just one IP number, 118.140.222.106.