pretechbd.com - robtex.com
pretechbd.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.106.118.118🇧🇩 RACEONLINE-BD103.106.118.0/24 DhakaColo-DataCenter-BD | ||||||
| PTR | whmserver2.dhakacolo.com | ||||||
| NS | ns3.dhakacolo.com ⭐ | ||||||
| A | 103.106.118.118🇧🇩 RACEONLINE-BD103.106.118.0/24 DhakaColo-DataCenter-BD | ||||||
| PTR | whmserver2.dhakacolo.com | ||||||
| NS | ns4.dhakacolo.com | ||||||
| A | 103.106.118.74🇧🇩 RACEONLINE-BD103.106.118.0/24 DhakaColo-DataCenter-BD | ||||||
| PTR | ns4.dhakacolo.com | ||||||
| MX | pretechbd.com ⭐ | ||||||
| A | 103.106.118.118🇧🇩 RACEONLINE-BD103.106.118.0/24 DhakaColo-DataCenter-BD | ||||||
| PTR | whmserver2.dhakacolo.com | ||||||
| TXT | v=spf1 +a +mx +ip4:103.106.118.118 ~all | ||||||
| SOA | ns3.dhakacolo.comsysops@dhakacolo.com 2026-05-11 #1 | ||||||
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=1778551891 | ||||||
MX for
pretechbd.com |
Same first word
pretechbd.com |
DNS History
4 records (4 active, 0 former)
●NSns3.dhakacolo.com2026-03-27 → 2026-05-12 · 2 obs
● 2026-05-12 02:35:14
●NSns4.dhakacolo.com2026-03-27 → 2026-05-12 · 2 obs
● 2026-05-12 02:35:14
●MXpretechbd.com2026-03-27 → 2026-05-12 · 2 obs
● 2026-05-12 02:35:14
●A103.106.118.1182026-03-27 → 2026-05-12 · 2 obs
● 2026-05-12 02:35:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net... | - |
| pretechbd.com | ns3.dhakacolo.com, ns4.dhakacolo.com | 2 records |
✅ Authoritative Response
Server:103.106.118.74
NS records: ns3.dhakacolo.com, ns4.dhakacolo.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for pretechbd.com (unsigned zone)
⏱️ Timing
Total: 598ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.106.118.118 |
| NS | 2 | ns4.dhakacolo.com, ns3.dhakacolo.com |
| MX | 1 | pretechbd.com (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:103.106.118.118 ~all |
| SOA | 1 | ns3.dhakacolo.com sysops.dhakacolo.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns3.dhakacolo.com, ns4.dhakacolo.com)
Analysis
Mail Server Role
pretechbd.com serves as the mail server for pretechbd.com.
IP Addresses
pretechbd.com resolves to a single IP address: 103.106.118.118.
Other host names including deltashipyard.com.bd, sakcpl.com, caregdl.com, crbd.net and ns3.dhakacolo.com share IP numbers with pretechbd.com.
Name Servers
pretechbd.com's delegation uses two name servers, ns3.dhakacolo.com and ns4.dhakacolo.com.
pretechbd.com shares the same name server setup as other domains, such as sfdw.org, deltashipyard.com.bd, sakcpl.com and caregdl.com.
pretechbd.com at least partially shares name servers with other domains; for instance stwbd.com.
These name servers are commonly used with ns12.dhakacloud.cloud and ns13.dhakacloud.cloud.
Host names with a single IP:
ns3.dhakacolo.com points to 103.106.118.118.
ns4.dhakacolo.com points to 103.106.118.74.
Mail Servers
A single mail server handles pretechbd.com.
pretechbd.com points to a single IP: 103.106.118.118.