`studyvisaguide.com`

DNSSEC	⚠️ Not signed
A	161.248.201.153^{ESL-AS-AP161.248.201.0/24 Extent Technologies Limited Ground Floor, Sunny Mansion, Rajnagar - 3240, Moulvibazar}
NS	`ns3.chowdhurywebhost.com` ⭐
		A	161.248.201.153^{ESL-AS-AP161.248.201.0/24 Extent Technologies Limited Ground Floor, Sunny Mansion, Rajnagar - 3240, Moulvibazar}
NS	`ns4.chowdhurywebhost.com`
		A	161.248.201.153^{ESL-AS-AP161.248.201.0/24 Extent Technologies Limited Ground Floor, Sunny Mansion, Rajnagar - 3240, Moulvibazar}
MX	`studyvisaguide.com` ⭐
		A	161.248.201.153^{ESL-AS-AP161.248.201.0/24 Extent Technologies Limited Ground Floor, Sunny Mansion, Rajnagar - 3240, Moulvibazar}
TXT	`v=spf1 +a +mx +ip4:161.248.201.153 ~all`
SOA	`ns3.chowdhurywebhost.com`root@server1.chowdhurywebhost.com 2026-03-26 #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.net`nstld@verisign-grs.com serial=1778542686

MX for

studyvisaguide.com

Same first word

studyvisaguide.com

DNS History

10 records (4 active, 6 former)

○NSns1.bh-ht-4.webhostbox.net2017-11-22 → 2017-11-22 · 4 obs

○ 2016-12-21 04:24:48
● 2017-11-22 07:15:58
○ 2026-03-10 19:44:02
○ 2026-05-11 23:57:32

○NSns2.bh-ht-4.webhostbox.net2017-11-22 → 2017-11-22 · 4 obs

○ 2016-12-21 04:24:48
● 2017-11-22 07:15:58
○ 2026-03-10 19:44:02
○ 2026-05-11 23:57:32

●NSns3.chowdhurywebhost.com2026-03-10 → 2026-05-11 · 3 obs

○ 2017-11-22 07:15:58
● 2026-03-10 19:44:02
● 2026-05-11 23:57:32

●NSns4.chowdhurywebhost.com2026-03-10 → 2026-05-11 · 3 obs

○ 2017-11-22 07:15:58
● 2026-03-10 19:44:02
● 2026-05-11 23:57:32

○NSns7.guavasofts.biz2016-12-21 → 2016-12-21 · 3 obs

● 2016-12-21 04:24:48
○ 2017-11-22 07:15:58
○ 2026-05-11 23:57:32

○NSns8.guavasofts.biz2016-12-21 → 2016-12-21 · 3 obs

● 2016-12-21 04:24:48
○ 2017-11-22 07:15:58
○ 2026-05-11 23:57:32

●MXstudyvisaguide.com2016-12-21 → 2026-05-11 · 2 obs

● 2016-12-21 04:24:48
● 2026-05-11 23:57:32

○A103.21.59.152016-12-21 → 2016-12-21 · 3 obs

● 2016-12-21 04:24:48
○ 2017-11-22 07:15:58
○ 2026-05-11 23:57:32

●A161.248.201.1532026-03-10 → 2026-05-11 · 3 obs

○ 2017-11-22 07:15:58
● 2026-03-10 19:44:02
● 2026-05-11 23:57:32

○A192.185.129.962017-11-22 → 2017-11-22 · 4 obs

○ 2016-12-21 04:24:48
● 2017-11-22 07:15:58
○ 2026-03-10 19:44:02
○ 2026-05-11 23:57:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net...	-
studyvisaguide.com	ns4.chowdhurywebhost.com, ns3.chowdhurywebhost.com	2 records

✅ Authoritative Response

Server:161.248.201.153

NS records: ns4.chowdhurywebhost.com, ns3.chowdhurywebhost.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyvisaguide.com (unsigned zone)

⏱️ Timing

Total: 585ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`161.248.201.153`
NS	2	`ns4.chowdhurywebhost.com, ns3.chowdhurywebhost.com`
MX	1	`studyvisaguide.com (pri: 0)`
TXT	1	`v=spf1 +a +mx +ip4:161.248.201.153 ~all`
SOA	1	`ns3.chowdhurywebhost.com root.server1.ch`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns4.chowdhurywebhost.com, ns3.chowdhurywebhost.com)

Analysis

Mail Server Role

studyvisaguide.com serves as a mail server for studyvisaguide.com.

IP Addresses

studyvisaguide.com points to a single IP: 161.248.201.153.

Other host names, for instance bongobanglabrokerage.com, etech.com.bd, ns4.chowdhurywebhost.com, metcoenergy.com and alordhara24.com share IP numbers with studyvisaguide.com.

Name Servers

studyvisaguide.com's delegation is to two name servers ns3.chowdhurywebhost.com and ns4.chowdhurywebhost.com.

studyvisaguide.com shares the same name server configuration as other domains, such as etech.com.bd, metcoenergy.com, alordhara24.com, chowdhuryit.com and absfashionwear.com.

studyvisaguide.com shares name servers with other domains at least partially, for example tungiparafarm.com.

These name servers are commonly used alongside ns1chowdhuryit.com and ns2.chowdhuryit.com.

Host names with one IP number: ns3.chowdhurywebhost.com and ns4.chowdhurywebhost.com point to 161.248.201.153.

Mail Servers

studyvisaguide.com is handled by a single mail server.

studyvisaguide.com points to IP number 161.248.201.153.

studyvisaguide.com - robtex.com