knowthisapp.com - dns.ninja

`knowthisapp.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:6900:d1bd:7672:d0ca^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:532:7c1e:9c2f:d0ac^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.163.9.173^{🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-163-9-173.compute-1.amazonaws.com`
		A	98.93.116.1^{🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix}
			PTR	`ec2-98-93-116-1.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:303c:9b15:3db3:a8a2^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:42a1:b1a3:2e08:84ab^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:9b5a:7d38:2d23:6714^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:2bd0:49e2:53db:9fe0^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.80.63.176^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-80-63-176.compute-1.amazonaws.com`
		A	54.198.188.235^{🇺🇸 Amazon54.198.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-198-188-235.compute-1.amazonaws.com`
		A	54.234.103.190^{🇺🇸 Amazon54.234.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-234-103-190.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1b:ac3c:fcfb:521d:2fd5^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:f6ec:2543:1b2e:f83c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.162.235.48^{🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-162-235-48.compute-1.amazonaws.com`
		A	54.221.37.2^{🇺🇸 Amazon54.221.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-221-37-2.compute-1.amazonaws.com`
		A	54.225.31.228^{🇺🇸 Amazon54.224.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-225-31-228.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-07-27 #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=1785192877

Subdomains

www.knowthisapp.com

Same first word

knowthisapp.com

DNS History

11 records (7 active, 4 former)

●NSns1.namebrightdns.com2026-04-08 → 2026-07-27 · 3 obs

○ 2017-09-22 04:14:22
● 2026-04-08 22:58:50
● 2026-07-27 23:10:04

○NSns11.domaincontrol.com2016-12-15 → 2017-09-22 · 4 obs

● 2016-12-15 06:58:30
● 2017-09-22 04:14:22
○ 2026-04-08 22:58:50
○ 2026-07-27 23:10:04

○NSns12.domaincontrol.com2016-12-15 → 2017-09-22 · 4 obs

● 2016-12-15 06:58:30
● 2017-09-22 04:14:22
○ 2026-04-08 22:58:50
○ 2026-07-27 23:10:04

●NSnsg1.namebrightdns.com2026-04-08 → 2026-07-27 · 3 obs

○ 2017-09-22 04:14:22
● 2026-04-08 22:58:50
● 2026-07-27 23:10:04

●NSnsg2.namebrightdns.com2026-04-08 → 2026-07-27 · 3 obs

○ 2017-09-22 04:14:22
● 2026-04-08 22:58:50
● 2026-07-27 23:10:04

○MXmail.knowthisapp.com2016-12-15 → 2017-09-22 · 4 obs

● 2016-12-15 06:58:30
● 2017-09-22 04:14:22
○ 2026-04-08 22:58:50
○ 2026-07-27 23:10:04

○A107.180.44.1442016-12-15 → 2017-09-22 · 4 obs

● 2016-12-15 06:58:30
● 2017-09-22 04:14:22
○ 2026-04-08 22:58:50
○ 2026-07-27 23:10:04

●A13.223.25.842026-04-08 → 2026-07-27 · 3 obs

○ 2017-09-22 04:14:22
● 2026-04-08 22:58:50
● 2026-07-27 23:10:04

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-04-08 → 2026-07-27 · 3 obs

○ 2017-09-22 04:14:22
● 2026-04-08 22:58:50
● 2026-07-27 23:10:04

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-04-08 → 2026-07-27 · 3 obs

○ 2017-09-22 04:14:22
● 2026-04-08 22:58:50
● 2026-07-27 23:10:04

●A54.243.117.1972026-04-08 → 2026-07-27 · 3 obs

○ 2017-09-22 04:14:22
● 2026-04-08 22:58:50
● 2026-07-27 23:10:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net...	-
knowthisapp.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:3.80.63.176

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowthisapp.com (unsigned zone)

⏱️ Timing

Total: 171ms | 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	`nsg2.namebrightdns.com, nsg1.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

knowthisapp.com is a parent domain of www.knowthisapp.com.

IP Addresses

knowthisapp.com has 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.

Additional host names — mx.emeraldplant.com, trustedalarms.com, bemercy.com and two others — share IP numbers with knowthisapp.com.

Name Servers

Three name servers are authoritative for knowthisapp.com: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

knowthisapp.com shares at least some of its name servers with other domains, including fragcup.com, buzzbehind.com, dataarms.com and two others.

These name servers are frequently paired with the name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Host names with 7 IP numbers:

nsg1.namebrightdns.com carries IP addresses 3.80.63.176, 54.198.188.235 and 54.234.103.190, with 4 other addresses beyond those.

Host names that resolve to five IP addresses:

nsg2.namebrightdns.com points to 54.162.235.48, 54.221.37.2, 54.225.31.228 and two other IP addresses.

Host names resolving to four IP addresses:

ns1.namebrightdns.com points to 54.163.9.173, 98.93.116.1, 2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca and 2600:1f18:683a:ae1b:532:7c1e:9c2f:d0ac.