`prominentedu.com`

DNSSEC	⚠️ Not signed
A	5.223.50.32^{🇮🇷 HETZNER-CLOUD4-AS5.223.50.0/24}
		PTR	`server.nsbusinessbd.com`
NS	`ns1.nsbusinessbd.com` ⭐
		A	5.223.50.32^{🇮🇷 HETZNER-CLOUD4-AS5.223.50.0/24}
			PTR	`server.nsbusinessbd.com`
NS	`ns2.nsbusinessbd.com`
		A	5.223.50.32^{🇮🇷 HETZNER-CLOUD4-AS5.223.50.0/24}
			PTR	`server.nsbusinessbd.com`
MX	`prominentedu.com` ⭐
		A	5.223.50.32^{🇮🇷 HETZNER-CLOUD4-AS5.223.50.0/24}
			PTR	`server.nsbusinessbd.com`
TXT	`v=spf1 +a +mx +ip4:5.223.50.32 +ip4:185.111.159.165 +ip4:5.78.126.158 +ip4:10...`
SOA	`ns1.nsbusinessbd.com`root@server.nsbusinessbd.com 2026-03-06 #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=1777209856

MX for

prominentedu.com

Subdomains

www.prominentedu.com

Same first word

prominentedu.com

DNS History

17 records (4 active, 13 former)

○NSdns1.bigrock.in2015-05-29 → 2016-04-10 · 4 obs

● 2015-05-29 14:56:46
● 2016-04-10 19:51:20
○ 2016-11-08 05:13:18
○ 2026-04-26 13:38:46

○NSdns2.bigrock.in2015-05-29 → 2016-04-10 · 4 obs

● 2015-05-29 14:56:46
● 2016-04-10 19:51:20
○ 2016-11-08 05:13:18
○ 2026-04-26 13:38:46

○NSdns3.bigrock.in2015-05-29 → 2016-04-10 · 4 obs

● 2015-05-29 14:56:46
● 2016-04-10 19:51:20
○ 2016-11-08 05:13:18
○ 2026-04-26 13:38:46

○NSdns4.bigrock.in2015-05-29 → 2016-04-10 · 4 obs

● 2015-05-29 14:56:46
● 2016-04-10 19:51:20
○ 2016-11-08 05:13:18
○ 2026-04-26 13:38:46

○NSdns5.deepahosting.com2017-12-04 → 2017-12-04 · 4 obs

○ 2016-11-08 05:13:18
● 2017-12-04 06:54:34
○ 2026-03-21 00:14:02
○ 2026-04-26 13:38:46

○NSdns6.deepahosting.com2017-12-04 → 2017-12-04 · 4 obs

○ 2016-11-08 05:13:18
● 2017-12-04 06:54:34
○ 2026-03-21 00:14:02
○ 2026-04-26 13:38:46

●NSns1.nsbusinessbd.com2026-03-21 → 2026-04-26 · 3 obs

○ 2017-12-04 06:54:34
● 2026-03-21 00:14:02
● 2026-04-26 13:38:46

●NSns2.nsbusinessbd.com2026-03-21 → 2026-04-26 · 3 obs

○ 2017-12-04 06:54:34
● 2026-03-21 00:14:02
● 2026-04-26 13:38:46

○MXmail.prominentedu.com2017-12-04 → 2017-12-04 · 4 obs

○ 2016-11-08 05:13:18
● 2017-12-04 06:54:34
○ 2026-03-21 00:14:02
○ 2026-04-26 13:38:46

●MXprominentedu.com2026-03-21 → 2026-04-26 · 3 obs

○ 2017-12-04 06:54:34
● 2026-03-21 00:14:02
● 2026-04-26 13:38:46

○MXus2.mx1.mailhostbox.com2015-10-26 → 2016-04-10 · 5 obs

○ 2015-05-29 14:56:46
● 2015-10-26 13:23:26
● 2016-04-10 19:51:20
○ 2016-11-08 05:13:18
○ 2026-04-26 13:38:46

○MXus2.mx2.mailhostbox.com2015-10-26 → 2016-04-10 · 5 obs

○ 2015-05-29 14:56:46
● 2015-10-26 13:23:26
● 2016-04-10 19:51:20
○ 2016-11-08 05:13:18
○ 2026-04-26 13:38:46

○MXus2.mx3.mailhostbox.com2015-10-26 → 2016-04-10 · 5 obs

○ 2015-05-29 14:56:46
● 2015-10-26 13:23:26
● 2016-04-10 19:51:20
○ 2016-11-08 05:13:18
○ 2026-04-26 13:38:46

○MXwww.prominentedu.com2015-05-29 → 2016-04-10 · 4 obs

● 2015-05-29 14:56:46
● 2016-04-10 19:51:20
○ 2016-11-08 05:13:18
○ 2026-04-26 13:38:46

○A118.139.186.12015-05-29 → 2016-04-10 · 4 obs

● 2015-05-29 14:56:46
● 2016-04-10 19:51:20
○ 2016-11-08 05:13:18
○ 2026-04-26 13:38:46

○A192.185.175.642017-12-04 → 2017-12-04 · 4 obs

○ 2016-11-08 05:13:18
● 2017-12-04 06:54:34
○ 2026-03-21 00:14:02
○ 2026-04-26 13:38:46

●A5.223.50.322026-03-21 → 2026-04-26 · 3 obs

○ 2017-12-04 06:54:34
● 2026-03-21 00:14:02
● 2026-04-26 13:38:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
prominentedu.com	ns1.nsbusinessbd.com, ns2.nsbusinessbd.com	2 records

✅ Authoritative Response

Server:5.223.50.32

NS records: ns1.nsbusinessbd.com, ns2.nsbusinessbd.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for prominentedu.com (unsigned zone)

⏱️ Timing

Total: 500ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`5.223.50.32`
NS	2	`ns2.nsbusinessbd.com, ns1.nsbusinessbd.com`
MX	1	`prominentedu.com (pri: 0)`
TXT	1	`v=spf1 +a +mx +ip4:5.223.50.32 +ip4:185.`
SOA	1	`ns1.nsbusinessbd.com root.server.nsbusin`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.nsbusinessbd.com, ns2.nsbusinessbd.com)

Analysis

Hierarchy

prominentedu.com is the parent of www.prominentedu.com.

Mail Server Role

prominentedu.com serves as the mail server for prominentedu.com.

IP Addresses

prominentedu.com points to IP number 5.223.50.32.

For instance, other host names server.nsbusinessbd.com, bcnews24.com, ns2.nsbusinessbd.com, nsbusinessbd.com and drnubayratasneem.com share IP numbers with prominentedu.com.

Name Servers

prominentedu.com is delegated to two name servers: ns1.nsbusinessbd.com and ns2.nsbusinessbd.com.

prominentedu.com uses the same name server setup as other domains such as drnubayratasneem.com, expertitbd.com, ns1.nsbusinessbd.com, cni24.com and dhakatalkies.com.

Host names with a single IP

ns1.nsbusinessbd.com points to: 5.223.50.32

ns2.nsbusinessbd.com points to: 5.223.50.32

Host names pointing to 5.223.50.32: ns1.nsbusinessbd.com and ns2.nsbusinessbd.com

Mail Servers

prominentedu.com is handled by a single mail server, prominentedu.com.

prominentedu.com points to a single IP: 5.223.50.32.

prominentedu.com - robtex.com