knowdev.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`knowdev.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:ae1a:c41d:b4cf:322b:2aa6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.89.42.183^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-89-42-183.compute-1.amazonaws.com`
		A	100.58.124.42^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
			PTR	`ec2-100-58-124-42.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:2a9c:bda4:95c0:d4ae^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:66bc:88ab:461e:b486^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:3d80:47f8:6d2b:afb9^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.152.34.189^{🇺🇸 Amazon54.152.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-152-34-189.compute-1.amazonaws.com`
		A	98.87.158.131^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-87-158-131.compute-1.amazonaws.com`
		A	98.91.1.96^{🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix}
			PTR	`ec2-98-91-1-96.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:dbe4:7131:a2ea:398^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:3419:2493:995f:4deb^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:bd91:31a:8b2e:498b^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.80.58.200^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-80-58-200.compute-1.amazonaws.com`
		A	54.224.233.180^{🇺🇸 Amazon54.224.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-224-233-180.compute-1.amazonaws.com`
		A	98.87.166.25^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-87-166-25.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-08-22 #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=1787385384

Subdomains

mail.knowdev.com

Same first word

knowdev.com

Similar names

devkwon.com

koenvdw.com

devknow.com

Previous names

Next names

DNS History

19 records (7 active, 12 former)

●NSns1.namebrightdns.com2015-06-17 → 2026-08-22 · 4 obs

● 2015-06-17 05:32:26
○ 2015-11-01 12:42:34
● 2016-01-27 10:20:52
● 2026-08-22 08:25:58

○NSns2.namebrightdns.com2015-06-17 → 2016-12-26 · 6 obs

● 2015-06-17 05:32:26
○ 2015-11-01 12:42:34
● 2016-01-27 10:20:52
● 2016-12-26 19:55:46
○ 2026-03-28 09:12:24
○ 2026-08-22 08:25:58

●NSnsg1.namebrightdns.com2015-11-01 → 2026-08-22 · 6 obs

○ 2015-06-17 05:32:26
● 2015-11-01 12:42:34
○ 2016-01-27 10:20:52
○ 2016-12-26 19:55:46
● 2026-03-28 09:12:24
● 2026-08-22 08:25:58

●NSnsg2.namebrightdns.com2015-11-01 → 2026-08-22 · 6 obs

○ 2015-06-17 05:32:26
● 2015-11-01 12:42:34
○ 2016-01-27 10:20:52
○ 2016-12-26 19:55:46
● 2026-03-28 09:12:24
● 2026-08-22 08:25:58

○MXanmail.namebrightmail.com2015-06-17 → 2015-06-17 · 3 obs

● 2015-06-17 05:32:26
○ 2015-11-01 12:42:34
○ 2026-08-22 08:25:58

●A13.223.25.842026-03-28 → 2026-08-22 · 3 obs

○ 2016-12-26 19:55:46
● 2026-03-28 09:12:24
● 2026-08-22 08:25:58

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-28 → 2026-08-22 · 3 obs

○ 2016-12-26 19:55:46
● 2026-03-28 09:12:24
● 2026-08-22 08:25:58

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-28 → 2026-08-22 · 3 obs

○ 2016-12-26 19:55:46
● 2026-03-28 09:12:24
● 2026-08-22 08:25:58

○A52.200.243.1232016-04-27 → 2016-04-27 · 4 obs

○ 2016-01-27 10:20:52
● 2016-04-27 18:48:44
○ 2016-12-26 19:55:46
○ 2026-08-22 08:25:58

○A54.152.144.2432016-04-27 → 2016-04-27 · 4 obs

○ 2016-01-27 10:20:52
● 2016-04-27 18:48:44
○ 2016-12-26 19:55:46
○ 2026-08-22 08:25:58

○A54.174.31.2542015-06-17 → 2015-11-01 · 4 obs

● 2015-06-17 05:32:26
● 2015-11-01 12:42:34
○ 2016-01-27 10:20:52
○ 2026-08-22 08:25:58

○A54.208.74.2152015-06-17 → 2015-11-01 · 4 obs

● 2015-06-17 05:32:26
● 2015-11-01 12:42:34
○ 2016-01-27 10:20:52
○ 2026-08-22 08:25:58

○A54.209.90.812016-01-27 → 2016-01-27 · 4 obs

○ 2015-11-01 12:42:34
● 2016-01-27 10:20:52
○ 2016-04-27 18:48:44
○ 2026-08-22 08:25:58

●A54.243.117.1972026-03-28 → 2026-08-22 · 3 obs

○ 2016-12-26 19:55:46
● 2026-03-28 09:12:24
● 2026-08-22 08:25:58

○A54.84.80.1732016-12-26 → 2016-12-26 · 4 obs

○ 2016-04-27 18:48:44
● 2016-12-26 19:55:46
○ 2026-03-28 09:12:24
○ 2026-08-22 08:25:58

○A54.85.54.292016-01-27 → 2016-01-27 · 4 obs

○ 2015-11-01 12:42:34
● 2016-01-27 10:20:52
○ 2016-04-27 18:48:44
○ 2026-08-22 08:25:58

○A54.88.107.1402016-12-26 → 2016-12-26 · 4 obs

○ 2016-04-27 18:48:44
● 2016-12-26 19:55:46
○ 2026-03-28 09:12:24
○ 2026-08-22 08:25:58

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-06-17 → 2016-04-27 · 4 obs

● 2015-06-17 05:32:26
● 2016-04-27 18:48:44
○ 2016-12-26 19:55:46
○ 2026-08-22 08:25:58

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2016-12-26 → 2016-12-26 · 4 obs

○ 2016-04-27 18:48:44
● 2016-12-26 19:55:46
○ 2026-03-28 09:12:24
○ 2026-08-22 08:25:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
knowdev.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:3.80.58.200

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowdev.com (unsigned zone)

⏱️ Timing

Total: 212ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.243.117.197, 13.223.25.84`
AAAA	2	`2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb`
NS	2	`nsg1.namebrightdns.com, nsg2.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

Hierarchy

mail.knowdev.com is a subdomain of knowdev.com.

IP Addresses

knowdev.com points to the 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.

antpath.com, ardinal.com, socialmediamonster.com and two other host names share IP numbers with knowdev.com.

Name Servers

knowdev.com is delegated to three name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

The name servers of knowdev.com overlap at least partially with those of other domains — among them zetay.com, revxtreme.com, invitus.com and two more.

The name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com are commonly seen alongside these name servers.

Hostnames that resolve to 6 IP addresses:

nsg1.namebrightdns.com resolves to 54.152.34.189, 98.87.158.131, 98.91.1.96 and 3 other IP addresses.

nsg2.namebrightdns.com resolves to 3.80.58.200, 54.224.233.180, 98.87.166.25 and 3 other IP addresses.

Hostnames that resolve to three IP addresses:

ns1.namebrightdns.com points to 3.89.42.183, 100.58.124.42 and 2600:1f18:683a:ae1a:c41d:b4cf:322b:2aa6.