pretechbd.com - dns.ninja
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 2026-07-11 #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=1784810122 | ||||||
MX for
pretechbd.com |
Same first word
pretechbd.com |
DNS History
4 records (4 active, 0 former)
●NSns3.dhakacolo.com2026-03-27 → 2026-07-23 · 2 obs
● 2026-07-23 12:36:50
●NSns4.dhakacolo.com2026-03-27 → 2026-07-23 · 2 obs
● 2026-07-23 12:36:50
●MXpretechbd.com2026-03-27 → 2026-07-23 · 2 obs
● 2026-07-23 12:36:50
●A103.106.118.1182026-03-27 → 2026-07-23 · 2 obs
● 2026-07-23 12:36:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| pretechbd.com | ns3.dhakacolo.com, ns4.dhakacolo.com | 2 records |
✅ Authoritative Response
Server:103.106.118.118
NS records: ns3.dhakacolo.com, ns4.dhakacolo.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for pretechbd.com (unsigned zone)
⏱️ Timing
Total: 581ms | 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 is listed as a mail server for itself.
IP Addresses
pretechbd.com resolves to one IP address: 103.106.118.118.
deltashipyard.com.bd, hameemtextiles.com, sakcpl.com and two other host names share IP numbers with pretechbd.com.
Name Servers
pretechbd.com is delegated to two name servers: ns3.dhakacolo.com and ns4.dhakacolo.com.
pretechbd.com uses the same name servers as several other domains — among them sfdw.org, deltashipyard.com.bd, sakcpl.com and two more.
pretechbd.com shares at least some of its name servers with other domains, such as stwbd.com.
These name servers tend to be deployed in combination with the name servers ns12.dhakacloud.cloud and ns13.dhakacloud.cloud.
Each of ns3.dhakacolo.com and ns4.dhakacolo.com has one IP address: ns3.dhakacolo.com uses 103.106.118.118 and ns4.dhakacolo.com uses 103.106.118.74.
Mail Servers
Mail for pretechbd.com is handled by one mail server — pretechbd.com.
pretechbd.com resolves to a single IP number: 103.106.118.118.