`concordexp-bd.com`

DNSSEC	⚠️ Not signed
A	103.30.191.135^{🇧🇩 DFLL-BD103.30.191.0/24 191-route object of DFLL}
		PTR	`103-30-191-135.dhakafiber.net`
NS	`dns1.dhakafiber.net` ⭐
		A	2401:3580:1:1::10^{🇧🇩 DFLL-BD2401:3580::/32 Dhaka Fiber Link Ltd. House-22, Road-13C , Block-E, Banani, Dhaka-1213}
			PTR	`dns1.dhakafiber.net`
		A	103.30.188.10^{🇧🇩 DFLL-BD103.30.188.0/24 188-route object of DFLL}
			PTR	`dns1.dhakafiber.net`
NS	`dns2.dhakafiber.net`
		A	2401:3580:1:2::12^{🇧🇩 DFLL-BD2401:3580::/32 Dhaka Fiber Link Ltd. House-22, Road-13C , Block-E, Banani, Dhaka-1213}
			PTR	`dns2.dhakafiber.net`
		A	103.30.189.12^{🇧🇩 DFLL-BD103.30.189.0/24 189-route object of DFLL}
			PTR	`dns2.dhakafiber.net`
NS	`dns3.dhakafiber.net`
		A	2607:f130:0:190::a11b:8932^{🇺🇸 MULTA-ASN12607:f130::/32 Multacom's IPv6 Network}
		A	74.48.68.113^{🇺🇸 MULTA-ASN174.48.64.0/18 placeholder}
			PTR	`dns3.dhakafiber.net`
MX	`antispam.dhakafiber.net` ⭐
		A	103.30.188.2^{🇧🇩 DFLL-BD103.30.188.0/24 188-route object of DFLL}
			PTR	`antispam.dhakafiber.net`
		A	103.30.188.12^{🇧🇩 DFLL-BD103.30.188.0/24 188-route object of DFLL}
			PTR	`antispam.dhakafiber.net`
		A	103.30.188.16^{🇧🇩 DFLL-BD103.30.188.0/24 188-route object of DFLL}
			PTR	`antispam.dhakafiber.net`
MX	`mail.dhakafiber.net`⁽²⁰⁾
		A	2401:3580:1:1::9^{🇧🇩 DFLL-BD2401:3580::/32 Dhaka Fiber Link Ltd. House-22, Road-13C , Block-E, Banani, Dhaka-1213}
		A	103.30.188.9^{🇧🇩 DFLL-BD103.30.188.0/24 188-route object of DFLL}
			PTR	`mail.dhakafiber.net`
MX	`dns3.dhakafiber.net`⁽⁹⁹⁾
		A	2607:f130:0:190::a11b:8932^{🇺🇸 MULTA-ASN12607:f130::/32 Multacom's IPv6 Network}
		A	74.48.68.113^{🇺🇸 MULTA-ASN174.48.64.0/18 placeholder}
			PTR	`dns3.dhakafiber.net`
TXT	`v=spf1 ip4:103.30.188.0/22 a mx include:dhakafiber.net -all`
SOA	`dns1.dhakafiber.net`imran@dhakafiber.net 2025-02-25 #6

`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=1778465351

Subdomains

mail.concordexp-bd.com

Same first word

concordexp-bd.com

DNS History

11 records (7 active, 4 former)

●NSdns1.dhakafiber.net2015-06-21 → 2026-05-11 · 2 obs

● 2015-06-21 20:47:42
● 2026-05-11 02:10:40

●NSdns2.dhakafiber.net2015-06-21 → 2026-05-11 · 2 obs

● 2015-06-21 20:47:42
● 2026-05-11 02:10:40

●NSdns3.dhakafiber.net2026-02-22 → 2026-05-11 · 3 obs

○ 2015-06-21 20:47:42
● 2026-02-22 21:46:08
● 2026-05-11 02:10:40

●MXantispam.dhakafiber.net2019-01-17 → 2026-05-11 · 3 obs

○ 2016-09-12 02:57:00
● 2019-01-17 15:38:32
● 2026-05-11 02:10:40

●MXdns3.dhakafiber.net2026-02-22 → 2026-05-11 · 3 obs

○ 2019-01-17 15:38:32
● 2026-02-22 21:46:08
● 2026-05-11 02:10:40

○MXguardian.dhakafiber.net2016-04-02 → 2016-09-12 · 5 obs

○ 2015-06-21 20:47:42
● 2016-04-02 01:14:26
● 2016-09-12 02:57:00
○ 2019-01-17 15:38:32
○ 2026-05-11 02:10:40

○MXmail.concordexp-bd.com2015-06-21 → 2016-09-12 · 4 obs

● 2015-06-21 20:47:42
● 2016-09-12 02:57:00
○ 2019-01-17 15:38:32
○ 2026-05-11 02:10:40

●MXmail.dhakafiber.net2019-01-17 → 2026-05-11 · 3 obs

○ 2016-09-12 02:57:00
● 2019-01-17 15:38:32
● 2026-05-11 02:10:40

○A103.30.188.92019-01-17 → 2019-01-17 · 4 obs

○ 2016-09-12 02:57:00
● 2019-01-17 15:38:32
○ 2026-02-22 21:46:08
○ 2026-05-11 02:10:40

○A103.30.189.822015-06-21 → 2016-09-12 · 4 obs

● 2015-06-21 20:47:42
● 2016-09-12 02:57:00
○ 2019-01-17 15:38:32
○ 2026-05-11 02:10:40

●A103.30.191.1352026-02-22 → 2026-05-11 · 3 obs

○ 2019-01-17 15:38:32
● 2026-02-22 21:46:08
● 2026-05-11 02:10:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net...	-
concordexp-bd.com	dns1.dhakafiber.net, dns2.dhakafiber.net, dns3.dhakafiber.net	-

✅ Authoritative Response

Server:74.48.68.113

NS records: dns1.dhakafiber.net, dns2.dhakafiber.net, dns3.dhakafiber.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for concordexp-bd.com (unsigned zone)

⏱️ Timing

Total: 1761ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.30.191.135`
NS	3	`dns1.dhakafiber.net, dns2.dhakafiber.net...`
MX	3	`antispam.dhakafiber.net (pri: 0), dns3.dhakafiber.net (pri: 99)...`
TXT	1	`v=spf1 ip4:103.30.188.0/22 a mx include:`
SOA	1	`dns1.dhakafiber.net imran.dhakafiber.net`

Analysis

Hierarchy

concordexp-bd.com is the parent of mail.concordexp-bd.com.

IP Addresses

concordexp-bd.com resolves to one IP number: 103.30.191.135.

other host names including marvelgroupbd.com, dflplastic.com, lymancontainerlinebd.com, www.paramountgroupbd.com and itsapparelworld.com share IP numbers with concordexp-bd.com.

Name Servers

concordexp-bd.com is delegated to three name servers dns1.dhakafiber.net, dns2.dhakafiber.net and dns3.dhakafiber.net.

concordexp-bd.com at least partially shares name servers with other domains, for instance linkin-bd.com, trigavenue.com, renaissance.com.bd, apparelsourcingint.com and 190.30.103.in-addr.arpa.

Host names with two IP numbers:

dns1.dhakafiber.net points to: 2401:3580:1:1::10 and 103.30.188.10.

dns2.dhakafiber.net points to: 2401:3580:1:2::12 and 103.30.189.12.

dns3.dhakafiber.net points to: 2607:f130:0:190::a11b:8932 and 74.48.68.113.

Mail Servers

concordexp-bd.com is handled by three mail servers: antispam.dhakafiber.net, dns3.dhakafiber.net and mail.dhakafiber.net.

concordexp-bd.com shares some mail servers with other domains, at least partially, for instance itsapparelworld.com, northbengal.org, globalsourcingbd.com, stfurniture.com.bd and dhakafiber.net.

these mail servers are commonly used with the mail servers mail.itsapparelworld.com.

Three IPs for a host: antispam.dhakafiber.net points to 103.30.188.2, 103.30.188.12 and 103.30.188.16.

Two IPs for a host: mail.dhakafiber.net points to 2401:3580:1:1::9 and 103.30.188.9.

concordexp-bd.com - robtex.com