csl-bd.com - robtex.com
csl-bd.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.0.48.2🇧🇩 AONB-AS-AP49.0.48.0/24 Always On Network Bangladesh Ltd. House no. CWN (B)-6 Road no. 36 Gulshan-2 | ||||||
| PTR | cloudcp01.alwaysonbd.com | ||||||
| NS | cloud1-ns1.alwaysonbd.com ⭐ | ||||||
| A | 49.0.48.3🇧🇩 AONB-AS-AP49.0.48.0/24 Always On Network Bangladesh Ltd. House no. CWN (B)-6 Road no. 36 Gulshan-2 | ||||||
| PTR | cloud1-ns1.alwaysonbd.com | ||||||
| NS | cloud1-ns2.alwaysonbd.com | ||||||
| A | 49.0.48.4🇧🇩 AONB-AS-AP49.0.48.0/24 Always On Network Bangladesh Ltd. House no. CWN (B)-6 Road no. 36 Gulshan-2 | ||||||
| PTR | cloud1-ns2.alwaysonbd.com | ||||||
| MX | csl-bd.com ⭐ | ||||||
| A | 49.0.48.2🇧🇩 AONB-AS-AP49.0.48.0/24 Always On Network Bangladesh Ltd. House no. CWN (B)-6 Road no. 36 Gulshan-2 | ||||||
| PTR | cloudcp01.alwaysonbd.com | ||||||
| TXT | v=spf1 ip4:49.0.48.2 +a +mx +ip4:117.58.240.162 +ip4:117.58.240.170 +ip4:118.... | ||||||
| SOA | cloud1-ns1.alwaysonbd.comsysadmin@alwayson.com.bd 2026-04-12 #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=1776071472 | ||||||
PTR for
MX for
csl-bd.com |
Same first word
csl-bd.com |
Similar names
DNS History
11 records (4 active, 7 former)
●NScloud1-ns1.alwaysonbd.com2026-04-09 → 2026-04-13 · 3 obs
● 2026-04-09 05:20:54
● 2026-04-13 09:27:18
●NScloud1-ns2.alwaysonbd.com2026-04-09 → 2026-04-13 · 3 obs
● 2026-04-09 05:20:54
● 2026-04-13 09:27:18
○NSns1.infolinkbd.com2015-08-19 → 2016-04-23 · 4 obs
● 2016-04-23 20:18:16
○ 2017-01-09 18:49:38
○ 2026-04-13 09:27:18
○NSns1.uttarainfotech.com2018-08-12 → 2018-08-12 · 4 obs
● 2018-08-12 06:26:34
○ 2026-04-09 05:20:54
○ 2026-04-13 09:27:18
○NSns2.infolinkbd.com2015-08-19 → 2016-04-23 · 4 obs
● 2016-04-23 20:18:16
○ 2017-01-09 18:49:38
○ 2026-04-13 09:27:18
○NSns2.uttarainfotech.com2018-08-12 → 2018-08-12 · 4 obs
● 2018-08-12 06:26:34
○ 2026-04-09 05:20:54
○ 2026-04-13 09:27:18
●MXcsl-bd.com2015-08-19 → 2026-04-13 · 5 obs
● 2016-04-23 20:18:16
○ 2017-01-09 18:49:38
● 2018-08-12 06:26:34
● 2026-04-13 09:27:18
○A104.156.55.1842016-04-23 → 2016-04-23 · 4 obs
● 2016-04-23 20:18:16
○ 2017-01-09 18:49:38
○ 2026-04-13 09:27:18
○A192.99.88.1782018-08-12 → 2018-08-12 · 4 obs
● 2018-08-12 06:26:34
○ 2026-04-09 05:20:54
○ 2026-04-13 09:27:18
●A49.0.48.22026-04-09 → 2026-04-13 · 3 obs
● 2026-04-09 05:20:54
● 2026-04-13 09:27:18
○A50.97.93.162015-08-19 → 2016-01-28 · 4 obs
● 2016-01-28 05:02:48
○ 2016-04-23 20:18:16
○ 2026-04-13 09:27:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net... | - |
| csl-bd.com | cloud1-ns1.alwaysonbd.com, cloud1-ns2.alwaysonbd.com | 2 records |
✅ Authoritative Response
Server:49.0.48.4
NS records: cloud1-ns1.alwaysonbd.com, cloud1-ns2.alwaysonbd.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for csl-bd.com (unsigned zone)
⏱️ Timing
Total: 582ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.0.48.2 |
| NS | 2 | cloud1-ns1.alwaysonbd.com, cloud1-ns2.alwaysonbd.com |
| MX | 1 | csl-bd.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:49.0.48.2 +a +mx +ip4:117.58. |
| SOA | 1 | cloud1-ns1.alwaysonbd.com sysadmin.alway |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (cloud1-ns1.alwaysonbd.com, cloud1-ns2.alwaysonbd.com)
Analysis
Mail Server Role
csl-bd.com serves as the mail server for csl-bd.com.
IP Addresses
csl-bd.com resolves to one IP number: 49.0.48.2.
Other host names, for instance lcl.com.bd, kafashionbd.com, toyotaservice-bd.com, cloudcp01.alwaysonbd.com and mail.ranifood.com.bd share IP numbers with csl-bd.com.
Name Servers
csl-bd.com's delegation uses two name servers: cloud1-ns1.alwaysonbd.com and cloud1-ns2.alwaysonbd.com.
csl-bd.com uses the same name server setup as other domains, such as mkrctg.com, alambuttons.com, wwtechltd.com, ranifood.com.bd and pbschain.com.
Host names with a single IP address: cloud1-ns1.alwaysonbd.com points to 49.0.48.3; cloud1-ns2.alwaysonbd.com points to 49.0.48.4.