🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`knowledgebd.com`

DNSSEC	⚠️ Not signed
A	2600:1f18:4ae:c605:dd5d:b838:5816:d7fb^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	2600:1f18:4ae:c606:78d4:4260:db4e:aeee^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	13.223.25.84^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
A	54.243.117.197^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
NS	`ns1.namebrightdns.com` ⭐
		A	2600:1f18:683a:ae1b:f9ef:3d2a:f8f1:187d^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.167.43.58^{🇺🇸 Amazon54.167.0.0/17}
			PTR	`ec2-54-167-43-58.compute-1.amazonaws.com`
		A	98.85.227.130^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-85-227-130.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:66d3:a082:2083:6c1b^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:c399:4005:18c:c1b4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.87.242.44^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-87-242-44.compute-1.amazonaws.com`
		A	98.88.73.11^{🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix}
			PTR	`ec2-98-88-73-11.compute-1.amazonaws.com`
		A	98.89.38.19^{🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix}
			PTR	`ec2-98-89-38-19.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:b4c1:8c29:e7eb:44e9^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:da83:890f:73ec:439^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:74f5:5f8c:abfd:1120^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:e20a:80a6:20af:150a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.91.250.66^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-91-250-66.compute-1.amazonaws.com`
		A	54.161.34.38^{🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-161-34-38.compute-1.amazonaws.com`
		A	54.205.146.233^{🇺🇸 Amazon54.204.0.0/15 EC2 IAD Prefix}
			PTR	`ec2-54-205-146-233.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-09-26 #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=1790452004

Previously MX for

knowledgebd.com

Same first word

knowledgebd.com

knowledgebd.xyz

Similar names

dbknowledge.com

knowledgedb.io

knowledgedb.ai

knowledgedb.in

dbknowledge.org

dbknowledge.net

knowledgedb.org

knowledgedb.dev

knowledgedb.eu

knowledgedb.com

Previous names

Next names

DNS History

16 records (7 active, 9 former)

○NSmaster3ns1.serverwl.com2015-05-22 → 2015-05-22 · 3 obs

● 2015-05-22 05:20:08
○ 2015-10-30 20:23:28
○ 2026-09-26 19:47:44

○NSmaster3ns2.serverwl.com2015-05-22 → 2015-05-22 · 3 obs

● 2015-05-22 05:20:08
○ 2015-10-30 20:23:28
○ 2026-09-26 19:47:44

○NSns1.myhostingbd.com2015-10-30 → 2017-02-02 · 5 obs

○ 2015-05-22 05:20:08
● 2015-10-30 20:23:28
● 2017-02-02 03:07:44
○ 2026-06-04 23:24:16
○ 2026-09-26 19:47:44

●NSns1.namebrightdns.com2026-06-04 → 2026-09-26 · 3 obs

○ 2017-02-02 03:07:44
● 2026-06-04 23:24:16
● 2026-09-26 19:47:44

○NSns2.myhostingbd.com2015-10-30 → 2017-02-02 · 5 obs

○ 2015-05-22 05:20:08
● 2015-10-30 20:23:28
● 2017-02-02 03:07:44
○ 2026-06-04 23:24:16
○ 2026-09-26 19:47:44

●NSnsg1.namebrightdns.com2026-06-04 → 2026-09-26 · 3 obs

○ 2017-02-02 03:07:44
● 2026-06-04 23:24:16
● 2026-09-26 19:47:44

●NSnsg2.namebrightdns.com2026-06-04 → 2026-09-26 · 3 obs

○ 2017-02-02 03:07:44
● 2026-06-04 23:24:16
● 2026-09-26 19:47:44

○MXknowledgebd.com2015-05-22 → 2017-02-02 · 4 obs

● 2015-05-22 05:20:08
● 2017-02-02 03:07:44
○ 2026-06-04 23:24:16
○ 2026-09-26 19:47:44

●A13.223.25.842026-06-04 → 2026-09-26 · 3 obs

○ 2017-02-02 03:07:44
● 2026-06-04 23:24:16
● 2026-09-26 19:47:44

○A138.128.191.2352015-10-30 → 2016-02-08 · 5 obs

○ 2015-05-22 05:20:08
● 2015-10-30 20:23:28
● 2016-02-08 08:28:58
○ 2016-04-24 18:34:48
○ 2026-09-26 19:47:44

○A184.154.170.202016-04-24 → 2016-04-24 · 4 obs

○ 2016-02-08 08:28:58
● 2016-04-24 18:34:48
○ 2017-02-02 03:07:44
○ 2026-09-26 19:47:44

○A184.154.45.102017-02-02 → 2017-02-02 · 4 obs

○ 2016-04-24 18:34:48
● 2017-02-02 03:07:44
○ 2026-06-04 23:24:16
○ 2026-09-26 19:47:44

○A188.165.235.1972015-05-22 → 2015-05-22 · 3 obs

● 2015-05-22 05:20:08
○ 2015-10-30 20:23:28
○ 2026-09-26 19:47:44

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-06-04 → 2026-09-26 · 3 obs

○ 2017-02-02 03:07:44
● 2026-06-04 23:24:16
● 2026-09-26 19:47:44

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-06-04 → 2026-09-26 · 3 obs

○ 2017-02-02 03:07:44
● 2026-06-04 23:24:16
● 2026-09-26 19:47:44

●A54.243.117.1972026-06-04 → 2026-09-26 · 3 obs

○ 2017-02-02 03:07:44
● 2026-06-04 23:24:16
● 2026-09-26 19:47:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, c.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net...	-
knowledgebd.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:3.87.242.44

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgebd.com (unsigned zone)

⏱️ Timing

Total: 329ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.223.25.84, 54.243.117.197`
AAAA	2	`2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb`
NS	2	`nsg2.namebrightdns.com, nsg1.namebrightdns.com`
TXT	2	`afternic-verification-G9G3tM8T8EwEizzPzj, v=spf1 -all`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

knowledgebd.com resolves to four IP addresses: 13.223.25.84, 54.243.117.197, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb and 2600:1f18:4ae:c606:78d4:4260:db4e:aeee.

www.almolok.com, b2bsearchengine.com, ledpart.com plus two other host names have IP numbers in common with knowledgebd.com.

Name Servers

knowledgebd.com is served by three name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

knowledgebd.com shares at least some of its name servers with other domains, including vanguardman.com, mail.efeden.com, lifegui.com and two others.

These name servers are frequently paired with the name servers domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Hosts with 7 IP addresses each:

nsg2.namebrightdns.com maps to 3.91.250.66, 54.161.34.38, 54.205.146.233 and 4 additional IP addresses.

Hosts with five IP addresses:

nsg1.namebrightdns.com has IP addresses 3.87.242.44, 98.88.73.11 and 98.89.38.19 along with two other addresses.

Host names carrying three IP numbers:

ns1.namebrightdns.com maps to three IP addresses: 54.167.43.58, 98.85.227.130 and 2600:1f18:683a:ae1b:f9ef:3d2a:f8f1:187d.

knowledgebd.com - robtex.com

knowledgebd.com

com

Previously MX for

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`knowledgebd.com`

`com`