workknowledge.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`workknowledge.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:ca7c:b680:26a9:5679^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.87.15.152^{🇺🇸 Amazon54.87.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-87-15-152.compute-1.amazonaws.com`
		A	54.167.43.58^{🇺🇸 Amazon54.167.0.0/17}
			PTR	`ec2-54-167-43-58.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:bf98:4592:dea7:ef46^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:d15c:df1c:fe00:6ed8^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:c2a7:93d4:2142:b21b^{🇺🇸 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	52.90.246.139^{🇺🇸 Amazon52.90.0.0/15 EC2 IAD prefix}
			PTR	`ec2-52-90-246-139.compute-1.amazonaws.com`
		A	107.20.71.31^{🇺🇸 Amazon107.20.0.0/16 EC2 Prefix}
			PTR	`ec2-107-20-71-31.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:4cc0:5acf:aad1:572a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:2d54:86cb:38cb:6beb^{🇺🇸 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	54.82.105.15^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-82-105-15.compute-1.amazonaws.com`
		A	54.198.23.75^{🇺🇸 Amazon54.198.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-198-23-75.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	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-10-02 #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=1790949989

Subdomains

hostmaster.workknowledge.com

Same first word

workknowledge.xyz

workknowledge.com.br

workknowledge.com

Similar names

Previous names

Next names

DNS History

12 records (7 active, 5 former)

●NSns1.namebrightdns.com2026-09-01 → 2026-10-02 · 3 obs

○ 2015-07-02 00:16:54
● 2026-09-01 14:46:38
● 2026-10-02 14:33:48

○NSns43.worldnic.com2007-11-01 → 2007-11-01 · 3 obs

● 2007-11-01 10:59:50
○ 2015-07-02 00:16:54
○ 2026-10-02 14:33:48

○NSns44.worldnic.com2007-11-01 → 2007-11-01 · 3 obs

● 2007-11-01 10:59:50
○ 2015-07-02 00:16:54
○ 2026-10-02 14:33:48

●NSnsg1.namebrightdns.com2026-09-01 → 2026-10-02 · 3 obs

○ 2015-07-02 00:16:54
● 2026-09-01 14:46:38
● 2026-10-02 14:33:48

●NSnsg2.namebrightdns.com2026-09-01 → 2026-10-02 · 3 obs

○ 2015-07-02 00:16:54
● 2026-09-01 14:46:38
● 2026-10-02 14:33:48

○A128.121.2.332007-11-01 → 2007-11-01 · 3 obs

● 2007-11-01 10:59:50
○ 2015-07-02 00:16:54
○ 2026-10-02 14:33:48

●A13.223.25.842026-09-01 → 2026-10-02 · 3 obs

○ 2017-03-27 21:16:40
● 2026-09-01 14:46:38
● 2026-10-02 14:33:48

○A207.148.248.1432015-11-21 → 2017-03-27 · 5 obs

○ 2015-07-02 00:16:54
● 2015-11-21 13:16:22
● 2017-03-27 21:16:40
○ 2026-09-01 14:46:38
○ 2026-10-02 14:33:48

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-09-01 → 2026-10-02 · 3 obs

○ 2017-03-27 21:16:40
● 2026-09-01 14:46:38
● 2026-10-02 14:33:48

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-09-01 → 2026-10-02 · 3 obs

○ 2017-03-27 21:16:40
● 2026-09-01 14:46:38
● 2026-10-02 14:33:48

●A54.243.117.1972026-09-01 → 2026-10-02 · 3 obs

○ 2017-03-27 21:16:40
● 2026-09-01 14:46:38
● 2026-10-02 14:33:48

○A66.151.181.492015-07-02 → 2015-07-02 · 4 obs

○ 2007-11-01 10:59:50
● 2015-07-02 00:16:54
○ 2015-11-21 13:16:22
○ 2026-10-02 14:33:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net...	-
workknowledge.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:52.90.246.139

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workknowledge.com (unsigned zone)

⏱️ Timing

Total: 1900ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.243.117.197, 13.223.25.84`
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	`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

workknowledge.com is a parent domain of hostmaster.workknowledge.com.

IP Addresses

workknowledge.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.

Two other host names, along with yalenet.com, ns2.cardamomvalley.com and ns1.orbitrix.com, also share IP numbers with workknowledge.com.

Name Servers

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

workknowledge.com shares at least some of its name servers with other domains, including 8f654.jsdcoffee.com, jigollo.com, evcourses.com and two others.

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

DNS names with 6 IP addresses:

nsg1.namebrightdns.com maps to 13.221.70.139, 52.90.246.139, 107.20.71.31 and 3 additional IP addresses.

nsg2.namebrightdns.com maps to 54.82.105.15, 54.198.23.75, 54.209.221.205 and 3 additional IP addresses.

Hostnames that map to three IP numbers:

ns1.namebrightdns.com maps to three IP addresses: 54.87.15.152, 54.167.43.58 and 2600:1f18:683a:ae1b:ca7c:b680:26a9:5679.