`promotingknowledge.com`

DNSSEC	⚠️ Not signed
NS	`dns0.bdcom.com` ⭐
NS	`dns1.bdcom.com`
		A	2403:4000:0:2::3^{🇧🇩 BDCOM-BD-AS-AP2403:4000::/32 BDCOM IPv6 Prefix}
			PTR	`dns1.bdcom.com`
		A	210.4.77.180^{🇧🇩 BDCOM-BD-AS-AP210.4.77.0/24 BDCOM Online Limited House 75, Road 5/A Satmasjid Road, 5th Floor Dhanmondi}
			PTR	`dns1.bdcom.com`
NS	`dns2.bdcom.com`
		A	2403:4000:0:2::4^{🇧🇩 BDCOM-BD-AS-AP2403:4000::/32 BDCOM IPv6 Prefix}
			PTR	`dns2.bdcom.com`
		A	210.4.77.181^{🇧🇩 BDCOM-BD-AS-AP210.4.77.0/24 BDCOM Online Limited House 75, Road 5/A Satmasjid Road, 5th Floor Dhanmondi}
			PTR	`dns2.bdcom.com`
SOA	`dns0.bdcom.com`bashar@bdcom.com 2021-04-26 #16

`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=1771291435

Same first word

promotingknowledge.com

DNS History

11 records (3 active, 8 former)

●NSdns0.bdcom.com2026-03-22 → 2026-03-22 · 3 obs

○ 2017-02-14 21:52:00
● 2026-03-22 05:59:40
● 2026-03-22 05:59:42

●NSdns1.bdcom.com2015-09-04 → 2026-03-22 · 5 obs

● 2015-09-04 01:58:50
● 2017-01-01 08:16:58
○ 2017-01-16 09:34:28
● 2017-02-14 21:52:00
● 2026-03-22 05:59:42

○NSdns11.parkpage.foundationapi.com2017-01-16 → 2017-01-16 · 4 obs

○ 2017-01-01 08:16:58
● 2017-01-16 09:34:28
○ 2017-02-14 21:52:00
○ 2026-03-22 05:59:42

○NSdns12.parkpage.foundationapi.com2017-01-16 → 2017-01-16 · 4 obs

○ 2017-01-01 08:16:58
● 2017-01-16 09:34:28
○ 2017-02-14 21:52:00
○ 2026-03-22 05:59:42

●NSdns2.bdcom.com2015-09-04 → 2026-03-22 · 5 obs

● 2015-09-04 01:58:50
● 2017-01-01 08:16:58
○ 2017-01-16 09:34:28
● 2017-02-14 21:52:00
● 2026-03-22 05:59:42

○NSdns9.parkpage.foundationapi.com2017-01-16 → 2017-01-16 · 4 obs

○ 2017-01-01 08:16:58
● 2017-01-16 09:34:28
○ 2017-02-14 21:52:00
○ 2026-03-22 05:59:42

○MXmail.promotingknowledge.com2015-09-04 → 2017-02-14 · 6 obs

● 2015-09-04 01:58:50
● 2017-01-01 08:16:58
○ 2017-01-16 09:34:28
● 2017-02-14 21:52:00
○ 2017-06-06 11:03:08
○ 2026-03-22 05:59:42

○A103.16.74.1302017-06-06 → 2018-10-15 · 5 obs

○ 2017-02-14 21:52:00
● 2017-06-06 11:03:08
● 2018-10-15 17:04:56
○ 2026-03-22 05:59:40
○ 2026-03-22 05:59:42

○A119.40.80.702015-09-04 → 2017-02-14 · 6 obs

● 2015-09-04 01:58:50
● 2017-01-01 08:16:58
○ 2017-01-16 09:34:28
● 2017-02-14 21:52:00
○ 2017-06-06 11:03:08
○ 2026-03-22 05:59:42

○A209.99.40.2232017-01-16 → 2017-01-16 · 4 obs

○ 2017-01-01 08:16:58
● 2017-01-16 09:34:28
○ 2017-02-14 21:52:00
○ 2026-03-22 05:59:42

○PTRdns9.parkpage.foundationapi.com2017-01-16 → 2017-01-16 · 3 obs

● 2017-01-16 09:34:28
○ 2017-02-14 21:52:00
○ 2026-03-22 05:59:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
promotingknowledge.com	dns1.bdcom.com, dns2.bdcom.com	2 records

✅ Authoritative Response

Server: 210.4.77.181

NS records: dns1.bdcom.com, dns2.bdcom.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for promotingknowledge.com (unsigned zone)

⏱️ Timing

Total: 1002ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns2.bdcom.com, dns1.bdcom.com`
SOA	1	`dns0.bdcom.com bashar.bdcom.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns1.bdcom.com, dns2.bdcom.com)

Analysis

Name Servers

The domain promotingknowledge.com is delegated to three name servers: dns0.bdcom.com, dns1.bdcom.com and dns2.bdcom.com.

promotingknowledge.com shares name servers with other domains at least partially, for instance ecodesignbd.com, tradehouse.com.bd, umpbd.com, proyozon.com and 92.40.119.in-addr.arpa.

these name servers are often used together with the name servers mail.mghgroup.com.

Host names with two IP numbers:

The host dns1.bdcom.com points to 2403:4000:0:2::3 and 210.4.77.180.

The host dns2.bdcom.com points to 2403:4000:0:2::4 and 210.4.77.181.

promotingknowledge.com - robtex.com