`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:e94c:1b8c:77a:2c56^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:80e7:3646:7534:e27e^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	18.212.239.85^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
			PTR	`ec2-18-212-239-85.compute-1.amazonaws.com`
		A	54.197.216.126^{🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15}
			PTR	`ec2-54-197-216-126.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:6cd3:c02c:be79:5017^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:7b03:f4b:4bfa:8287^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:a80d:aa66:fb:1e18^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.85.118.95^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-85-118-95.compute-1.amazonaws.com`
		A	52.55.198.41^{🇺🇸 Amazon52.54.0.0/15 EC2 Region prefix}
			PTR	`ec2-52-55-198-41.compute-1.amazonaws.com`
		A	54.175.130.15^{🇺🇸 Amazon54.174.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-175-130-15.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:651d:833a:8048:960^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:bfb:dca7:3bf0:7bd6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:e481:ba17:b27f:e48f^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.91.13.94^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-91-13-94.compute-1.amazonaws.com`
		A	44.222.227.90^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-222-227-90.compute-1.amazonaws.com`
		A	54.204.144.198^{🇺🇸 Amazon54.204.0.0/15 EC2 IAD Prefix}
			PTR	`ec2-54-204-144-198.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-06-13 #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=1781363243

Subdomains

mail.knowdev.com

Same first word

knowdev.com

Similar names

koenvdw.com

DNS History

19 records (7 active, 12 former)

●NSns1.namebrightdns.com2015-06-17 → 2026-06-13 · 4 obs

● 2015-06-17 05:32:26
○ 2015-11-01 12:42:34
● 2016-01-27 10:20:52
● 2026-06-13 15:17:04

○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
○ 2026-06-13 15:17:04

●NSnsg1.namebrightdns.com2015-11-01 → 2026-06-13 · 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
● 2026-06-13 15:17:04

●NSnsg2.namebrightdns.com2015-11-01 → 2026-06-13 · 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
● 2026-06-13 15:17:04

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

● 2015-06-17 05:32:26
○ 2015-11-01 12:42:34
○ 2026-06-13 15:17:04

●A13.223.25.842026-03-28 → 2026-06-13 · 3 obs

○ 2016-12-26 19:55:46
● 2026-03-28 09:12:24
● 2026-06-13 15:17:04

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-28 → 2026-06-13 · 3 obs

○ 2016-12-26 19:55:46
● 2026-03-28 09:12:24
● 2026-06-13 15:17:04

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-28 → 2026-06-13 · 3 obs

○ 2016-12-26 19:55:46
● 2026-03-28 09:12:24
● 2026-06-13 15:17:04

○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
○ 2026-06-13 15:17:04

○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
○ 2026-06-13 15:17:04

○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
○ 2026-06-13 15:17:04

○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
○ 2026-06-13 15:17:04

○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
○ 2026-06-13 15:17:04

●A54.243.117.1972026-03-28 → 2026-06-13 · 3 obs

○ 2016-12-26 19:55:46
● 2026-03-28 09:12:24
● 2026-06-13 15:17:04

○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
○ 2026-06-13 15:17:04

○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
○ 2026-06-13 15:17:04

○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
○ 2026-06-13 15:17:04

○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
○ 2026-06-13 15:17:04

○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
○ 2026-06-13 15:17:04

🔍 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:3.85.118.95

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowdev.com (unsigned zone)

⏱️ Timing

Total: 153ms | Queries: -

📄 Records

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

knowdev.com serves as the parent of mail.knowdev.com.

IP Addresses

knowdev.com points to four IP numbers: 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.

Two other host names, along with antpath.com, ardinal.com and aegismtd.com, also share IP numbers with knowdev.com.

Name Servers

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

knowdev.com has at least partial name server overlap with other domains, such as zetay.com, revxtreme.com, hostmaster.vidasingluten.com and two others.

These name servers tend to appear together with the name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

DNS names with 6 IP addresses:

nsg1.namebrightdns.com maps to 3.85.118.95, 52.55.198.41, 54.175.130.15 and 3 additional IP addresses.

nsg2.namebrightdns.com maps to 3.91.13.94, 44.222.227.90, 54.204.144.198 and 3 additional IP addresses.

Host names with four IP numbers:

ns1.namebrightdns.com has four IP addresses: 18.212.239.85, 54.197.216.126, 2600:1f18:683a:ae1a:e94c:1b8c:77a:2c56 and 2600:1f18:683a:ae1b:80e7:3646:7534:e27e.

knowdev.com - robtex.com

knowdev.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`knowdev.com`

`com`