🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`studyknowledge.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:7bfe:7609:c768:92a4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.89.42.183^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-89-42-183.compute-1.amazonaws.com`
		A	54.173.159.28^{🇺🇸 Amazon54.172.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-173-159-28.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:11b2:a77e:d3b1:128c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:a173:e9ba:e6b9:735a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:c399:4005:18c:c1b4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.80.58.200^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-80-58-200.compute-1.amazonaws.com`
		A	3.91.250.66^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-91-250-66.compute-1.amazonaws.com`
		A	54.161.34.38^{🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-161-34-38.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:b4c1:8c29:e7eb:44e9^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:dbe4:7131:a2ea:398^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:74f5:5f8c:abfd:1120^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.89.243.1^{🇺🇸 Amazon54.89.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-89-243-1.compute-1.amazonaws.com`
		A	54.197.31.213^{🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15}
			PTR	`ec2-54-197-31-213.compute-1.amazonaws.com`
		A	98.89.38.19^{🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix}
			PTR	`ec2-98-89-38-19.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-09-22 #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=1790094419

Previously MX for

studyknowledge.com

Same first word

studyknowledge.com

studyknowledge.in

studyknowledge.pages.dev

Previous names

Next names

DNS History

16 records (7 active, 9 former)

○NSns1.cp-27.webhostbox.net2015-07-17 → 2016-05-30 · 4 obs

● 2015-07-17 18:42:10
● 2016-05-30 10:03:06
○ 2017-01-28 18:23:28
○ 2026-09-22 16:54:06

○NSns1.md-1.webhostbox.net2017-01-28 → 2017-01-28 · 4 obs

○ 2016-05-30 10:03:06
● 2017-01-28 18:23:28
○ 2018-08-11 00:06:06
○ 2026-09-22 16:54:06

●NSns1.namebrightdns.com2018-08-11 → 2026-09-22 · 3 obs

○ 2017-01-28 18:23:28
● 2018-08-11 00:06:06
● 2026-09-22 16:54:06

○NSns2.cp-27.webhostbox.net2015-07-17 → 2016-05-30 · 4 obs

● 2015-07-17 18:42:10
● 2016-05-30 10:03:06
○ 2017-01-28 18:23:28
○ 2026-09-22 16:54:06

○NSns2.md-1.webhostbox.net2017-01-28 → 2017-01-28 · 4 obs

○ 2016-05-30 10:03:06
● 2017-01-28 18:23:28
○ 2018-08-11 00:06:06
○ 2026-09-22 16:54:06

○NSns2.namebrightdns.com2018-08-11 → 2018-08-11 · 4 obs

○ 2017-01-28 18:23:28
● 2018-08-11 00:06:06
○ 2026-09-03 14:08:32
○ 2026-09-22 16:54:06

●NSnsg1.namebrightdns.com2026-09-03 → 2026-09-22 · 3 obs

○ 2018-08-11 00:06:06
● 2026-09-03 14:08:32
● 2026-09-22 16:54:06

●NSnsg2.namebrightdns.com2026-09-03 → 2026-09-22 · 3 obs

○ 2018-08-11 00:06:06
● 2026-09-03 14:08:32
● 2026-09-22 16:54:06

○MXstudyknowledge.com2015-07-17 → 2017-01-28 · 4 obs

● 2015-07-17 18:42:10
● 2017-01-28 18:23:28
○ 2018-08-11 00:06:06
○ 2026-09-22 16:54:06

●A13.223.25.842026-09-03 → 2026-09-22 · 3 obs

○ 2018-08-11 00:06:06
● 2026-09-03 14:08:32
● 2026-09-22 16:54:06

○A208.91.198.162017-01-28 → 2017-01-28 · 4 obs

○ 2016-05-30 10:03:06
● 2017-01-28 18:23:28
○ 2018-08-11 00:06:06
○ 2026-09-22 16:54:06

○A208.91.198.762015-07-17 → 2016-05-30 · 4 obs

● 2015-07-17 18:42:10
● 2016-05-30 10:03:06
○ 2017-01-28 18:23:28
○ 2026-09-22 16:54:06

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-09-03 → 2026-09-22 · 3 obs

○ 2018-08-11 00:06:06
● 2026-09-03 14:08:32
● 2026-09-22 16:54:06

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-09-03 → 2026-09-22 · 3 obs

○ 2018-08-11 00:06:06
● 2026-09-03 14:08:32
● 2026-09-22 16:54:06

●A54.243.117.1972026-09-03 → 2026-09-22 · 3 obs

○ 2018-08-11 00:06:06
● 2026-09-03 14:08:32
● 2026-09-22 16:54:06

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2018-08-11 → 2018-08-11 · 3 obs

● 2018-08-11 00:06:06
○ 2026-09-03 14:08:32
○ 2026-09-22 16:54:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net...	-
studyknowledge.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:54.197.31.213

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyknowledge.com (unsigned zone)

⏱️ Timing

Total: 435ms | Queries: -

📄 Records

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

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

studyknowledge.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.

Two other host names, along with wooww.com, weightgenie.com and pieplow.com, also share IP numbers with studyknowledge.com.

Name Servers

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

The name servers of studyknowledge.com overlap at least partially with those of other domains — among them littlebirdevents.com, greystoneinvestment.com, www.hotlingo.com and two more.

The name servers domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com and ns2.namebrightdns.com are commonly seen alongside these name servers.

DNS names with 6 IP addresses:

nsg1.namebrightdns.com maps to 3.80.58.200, 3.91.250.66, 54.161.34.38 and 3 additional IP addresses.

nsg2.namebrightdns.com maps to 54.89.243.1, 54.197.31.213, 98.89.38.19 and 3 additional IP addresses.

Hostnames that map to three IP numbers:

ns1.namebrightdns.com maps to three IP addresses: 3.89.42.183, 54.173.159.28 and 2600:1f18:683a:ae1a:7bfe:7609:c768:92a4.

studyknowledge.com - robtex.com