knowledgebaseapp.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`knowledgebaseapp.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:4e28:5224:1c17:c95d^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.81.72.86^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-81-72-86.compute-1.amazonaws.com`
		A	54.162.28.79^{🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-162-28-79.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:4cc0:5acf:aad1:572a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:972d:ba8c:15bd:1fc4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	13.221.70.139^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-221-70-139.compute-1.amazonaws.com`
		A	52.90.122.106^{🇺🇸 Amazon52.90.0.0/15 EC2 IAD prefix}
			PTR	`ec2-52-90-122-106.compute-1.amazonaws.com`
		A	54.91.117.97^{🇺🇸 Amazon54.90.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-91-117-97.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:b7f8:9db8:e2c0:ea4d^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:bf98:4592:dea7:ef46^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:3678:5912:58b4:f1bb^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:44ba:1b15:cef8:e750^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.81.217.152^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-81-217-152.compute-1.amazonaws.com`
		A	54.82.105.15^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-82-105-15.compute-1.amazonaws.com`
		A	54.209.221.205^{🇺🇸 Amazon54.208.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-209-221-205.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-10-08 #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=1791489184

Subdomains

mail.knowledgebaseapp.com

Same first word

knowledgebaseapp.com

Previous names

Next names

DNS History

10 records (7 active, 3 former)

○NSns1.dreamhost.com2015-06-19 → 2018-07-12 · 4 obs

● 2015-06-19 01:39:10
● 2018-07-12 12:48:24
○ 2026-08-27 11:17:18
○ 2026-10-08 20:13:44

●NSns1.namebrightdns.com2026-08-27 → 2026-10-08 · 3 obs

○ 2018-07-12 12:48:24
● 2026-08-27 11:17:18
● 2026-10-08 20:13:44

○NSns2.dreamhost.com2015-06-19 → 2018-07-12 · 4 obs

● 2015-06-19 01:39:10
● 2018-07-12 12:48:24
○ 2026-08-27 11:17:18
○ 2026-10-08 20:13:44

○NSns3.dreamhost.com2015-06-19 → 2018-07-12 · 4 obs

● 2015-06-19 01:39:10
● 2018-07-12 12:48:24
○ 2026-08-27 11:17:18
○ 2026-10-08 20:13:44

●NSnsg1.namebrightdns.com2026-08-27 → 2026-10-08 · 3 obs

○ 2018-07-12 12:48:24
● 2026-08-27 11:17:18
● 2026-10-08 20:13:44

●NSnsg2.namebrightdns.com2026-08-27 → 2026-10-08 · 3 obs

○ 2018-07-12 12:48:24
● 2026-08-27 11:17:18
● 2026-10-08 20:13:44

●A13.223.25.842026-08-27 → 2026-10-08 · 2 obs

● 2026-08-27 11:17:18
● 2026-10-08 20:13:44

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-08-27 → 2026-10-08 · 2 obs

● 2026-08-27 11:17:18
● 2026-10-08 20:13:44

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-08-27 → 2026-10-08 · 2 obs

● 2026-08-27 11:17:18
● 2026-10-08 20:13:44

●A54.243.117.1972026-08-27 → 2026-10-08 · 2 obs

● 2026-08-27 11:17:18
● 2026-10-08 20:13:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
knowledgebaseapp.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	-

✅ Authoritative Response

Server:3.81.217.152

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgebaseapp.com (unsigned zone)

⏱️ Timing

Total: 205ms | 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`

Analysis

Hierarchy

The domain mail.knowledgebaseapp.com falls under the parent knowledgebaseapp.com.

IP Addresses

knowledgebaseapp.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.

Additional host names — 6fc6c.yhsen.com, extendpeace.com, casadocapacete.com and two others — share IP numbers with knowledgebaseapp.com.

Name Servers

The authoritative name servers for knowledgebaseapp.com are ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com — three in total.

At least some of knowledgebaseapp.com's name servers are shared with other domains, for example mahjong138.com, hbtc888.com, *.2align.com and two more.

It is common for these name servers to be used in conjunction with the name servers domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com and ns2.namebrightdns.com.

Host names with 7 IP numbers:

Hostname nsg2.namebrightdns.com directs to 3.81.217.152, 54.82.105.15 and 54.209.221.205 along with 4 other IP addresses.

Host names that resolve to five IP addresses:

nsg1.namebrightdns.com points to 13.221.70.139, 52.90.122.106, 54.91.117.97 and two other IP addresses.

Host names with three IP numbers:

The hostname ns1.namebrightdns.com directs to 54.81.72.86, 54.162.28.79 and 2600:1f18:683a:ae1b:4e28:5224:1c17:c95d.