🛡️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}
		A	54.167.43.58^{🇺🇸 Amazon54.167.0.0/17}
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:9e62:8e83:f10a:10ef^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:5aa7:f3a3:66f:a76^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	52.90.180.157^{🇺🇸 Amazon52.90.0.0/15 EC2 IAD prefix}
		A	54.90.115.3^{🇺🇸 Amazon54.90.0.0/15 EC2 IAD prefix}
		A	100.30.215.250^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
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:ae1a:bf98:4592:dea7:ef46^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:51a:f489:3063:890a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:5b5f:af0e:8a42:275e^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	13.221.70.139^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
		A	54.82.105.15^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
		A	107.20.63.76^{🇺🇸 Amazon107.20.0.0/16 EC2 Prefix}
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-10-01 #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=1790879684

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 → 2026-10-01 · 3 obs

○ 2015-07-02 00:16:54
● 2026-09-01 14:46:38
● 2026-10-01 18:46:10

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

● 2007-11-01 10:59:50
○ 2015-07-02 00:16:54
○ 2026-10-01 18:46:10

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

● 2007-11-01 10:59:50
○ 2015-07-02 00:16:54
○ 2026-10-01 18:46:10

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

○ 2015-07-02 00:16:54
● 2026-09-01 14:46:38
● 2026-10-01 18:46:10

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

○ 2015-07-02 00:16:54
● 2026-09-01 14:46:38
● 2026-10-01 18:46:10

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

● 2007-11-01 10:59:50
○ 2015-07-02 00:16:54
○ 2026-10-01 18:46:10

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

○ 2017-03-27 21:16:40
● 2026-09-01 14:46:38
● 2026-10-01 18:46:10

○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
○ 2026-10-01 18:46:10

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

○ 2017-03-27 21:16:40
● 2026-09-01 14:46:38
● 2026-10-01 18:46:10

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

○ 2017-03-27 21:16:40
● 2026-09-01 14:46:38
● 2026-10-01 18:46:10

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

○ 2017-03-27 21:16:40
● 2026-09-01 14:46:38
● 2026-10-01 18:46:10

○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
○ 2026-10-01 18:46:10

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:100.30.215.250

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workknowledge.com (unsigned zone)

⏱️ Timing

Total: 161ms | 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	`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

hostmaster.workknowledge.com is a subdomain of workknowledge.com.

IP Addresses

workknowledge.com directs to four IP numbers, which are 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.

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

Name Servers

DNS for workknowledge.com is handled by three authoritative name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

The name servers of workknowledge.com overlap at least partially with those of other domains — among them 8f654.jsdcoffee.com, jigollo.com, evcourses.com and two more.

These name servers commonly appear alongside the name servers domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Hostnames that resolve to 7 IP addresses:

nsg2.namebrightdns.com has IP addresses 13.221.70.139, 54.82.105.15 and 107.20.63.76, plus 4 other.

Hostnames pointing to five IP numbers:

nsg1.namebrightdns.com resolves to four IP addresses: 52.90.180.157, 54.90.115.3, 100.30.215.250 and two others.

Hostnames that resolve to three IP addresses:

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

workknowledge.com - robtex.com