🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`opensourcelearning.com`

DNSSEC	⚠️ Not signed
A	2600:1f18:4ae:c605:f094:2a0a:4985:526e^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	2600:1f18:4ae:c606:def:b9d9:eb9e:7766^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	52.201.53.166^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
A	98.82.42.139^{🇺🇸 Amazon98.80.0.0/13 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:4050:f99a:8158:5afa^{🇺🇸 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:7444:1f24:bfa6:330c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:9e7f:fa70:dfca:429f^{🇺🇸 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	34.229.232.153^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
			PTR	`ec2-34-229-232-153.compute-1.amazonaws.com`
		A	184.72.158.182^{🇺🇸 Amazon184.72.128.0/17 IAD prefix}
			PTR	`ec2-184-72-158-182.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:5495:a744:dd1a:2602^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:f6fb:3d98:bc6e:5eb6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.89.3.9^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-89-3-9.compute-1.amazonaws.com`
		A	32.199.157.129
			PTR	`ec2-32-199-157-129.compute-1.amazonaws.com`
		A	98.81.218.26^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-81-218-26.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-09-14 #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=1789430288

Subdomains

www.opensourcelearning.com

Same first word

opensourcelearning.org

opensourcelearning.com

opensourcelearning.de

opensourcelearning.co.uk

opensourcelearning.ca

opensourcelearning.net

Similar names

learningopensource.com

Previous names

Next names

DNS History

20 records (7 active, 13 former)

○NSns-cloud-e1.googledomains.com2016-05-07 → 2019-04-06 · 5 obs

○ 2016-02-23 02:27:06
● 2016-05-07 04:33:36
● 2019-04-06 07:01:20
○ 2026-04-23 17:33:58
○ 2026-09-15 00:02:18

○NSns-cloud-e2.googledomains.com2016-05-07 → 2019-04-06 · 5 obs

○ 2016-02-23 02:27:06
● 2016-05-07 04:33:36
● 2019-04-06 07:01:20
○ 2026-04-23 17:33:58
○ 2026-09-15 00:02:18

○NSns-cloud-e3.googledomains.com2016-05-07 → 2019-04-06 · 5 obs

○ 2016-02-23 02:27:06
● 2016-05-07 04:33:36
● 2019-04-06 07:01:20
○ 2026-04-23 17:33:58
○ 2026-09-15 00:02:18

○NSns-cloud-e4.googledomains.com2016-05-07 → 2019-04-06 · 5 obs

○ 2016-02-23 02:27:06
● 2016-05-07 04:33:36
● 2019-04-06 07:01:20
○ 2026-04-23 17:33:58
○ 2026-09-15 00:02:18

○NSns09.domaincontrol.com2015-07-01 → 2016-02-23 · 4 obs

● 2015-07-01 09:05:18
● 2016-02-23 02:27:06
○ 2016-05-07 04:33:36
○ 2026-09-15 00:02:18

○NSns1.afternic.com2026-04-23 → 2026-05-18 · 5 obs

○ 2019-04-06 07:01:20
● 2026-04-23 17:33:58
● 2026-05-18 12:07:46
○ 2026-05-19 17:54:44
○ 2026-09-15 00:02:18

●NSns1.namebrightdns.com2026-05-19 → 2026-09-15 · 3 obs

○ 2026-05-18 12:07:46
● 2026-05-19 17:54:44
● 2026-09-15 00:02:18

○NSns10.domaincontrol.com2015-07-01 → 2016-02-23 · 4 obs

● 2015-07-01 09:05:18
● 2016-02-23 02:27:06
○ 2016-05-07 04:33:36
○ 2026-09-15 00:02:18

○NSns2.afternic.com2026-04-23 → 2026-05-18 · 5 obs

○ 2019-04-06 07:01:20
● 2026-04-23 17:33:58
● 2026-05-18 12:07:46
○ 2026-05-19 17:54:44
○ 2026-09-15 00:02:18

●NSnsg1.namebrightdns.com2026-05-19 → 2026-09-15 · 3 obs

○ 2026-05-18 12:07:46
● 2026-05-19 17:54:44
● 2026-09-15 00:02:18

●NSnsg2.namebrightdns.com2026-05-19 → 2026-09-15 · 3 obs

○ 2026-05-18 12:07:46
● 2026-05-19 17:54:44
● 2026-09-15 00:02:18

○MXmailstore1.secureserver.net2015-07-01 → 2019-04-06 · 4 obs

● 2015-07-01 09:05:18
● 2019-04-06 07:01:20
○ 2026-04-23 17:33:58
○ 2026-09-15 00:02:18

○MXsmtp.secureserver.net2015-07-01 → 2019-04-06 · 4 obs

● 2015-07-01 09:05:18
● 2019-04-06 07:01:20
○ 2026-04-23 17:33:58
○ 2026-09-15 00:02:18

○A13.248.169.482026-04-23 → 2026-05-18 · 5 obs

○ 2019-04-06 07:01:20
● 2026-04-23 17:33:58
● 2026-05-18 12:07:46
○ 2026-05-19 17:54:44
○ 2026-09-15 00:02:18

○A184.168.221.562015-07-01 → 2019-04-06 · 4 obs

● 2015-07-01 09:05:18
● 2019-04-06 07:01:20
○ 2026-04-23 17:33:58
○ 2026-09-15 00:02:18

●A2600:1f18:4ae:c605:f094:2a0a:4985:526e2026-05-19 → 2026-09-15 · 3 obs

○ 2026-05-18 12:07:46
● 2026-05-19 17:54:44
● 2026-09-15 00:02:18

●A2600:1f18:4ae:c606:def:b9d9:eb9e:77662026-05-19 → 2026-09-15 · 3 obs

○ 2026-05-18 12:07:46
● 2026-05-19 17:54:44
● 2026-09-15 00:02:18

●A52.201.53.1662026-05-19 → 2026-09-15 · 3 obs

○ 2026-05-18 12:07:46
● 2026-05-19 17:54:44
● 2026-09-15 00:02:18

○A76.223.54.1462026-04-23 → 2026-05-18 · 5 obs

○ 2019-04-06 07:01:20
● 2026-04-23 17:33:58
● 2026-05-18 12:07:46
○ 2026-05-19 17:54:44
○ 2026-09-15 00:02:18

●A98.82.42.1392026-05-19 → 2026-09-15 · 3 obs

○ 2026-05-18 12:07:46
● 2026-05-19 17:54:44
● 2026-09-15 00:02:18

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:184.72.158.182

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opensourcelearning.com (unsigned zone)

⏱️ Timing

Total: 429ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`52.201.53.166, 98.82.42.139`
AAAA	2	`2600:1f18:4ae:c605:f094:2a0a:4985:526e, 2600:1f18:4ae:c606:def:b9d9:eb9e:7766`
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

opensourcelearning.com is the parent zone for www.opensourcelearning.com.

IP Addresses

opensourcelearning.com has four IP addresses: 52.201.53.166, 98.82.42.139, 2600:1f18:4ae:c605:f094:2a0a:4985:526e and 2600:1f18:4ae:c606:def:b9d9:eb9e:7766.

technopanic.com, ns1.d067.com, naughtygirlsclub.com plus two other host names have IP numbers in common with opensourcelearning.com.

Name Servers

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

opensourcelearning.com partially shares its NS delegation with several other domains, including resquer.com, emeraldcash.com, glutathionescience.com and two others.

Hosts with 7 IP addresses each:

nsg1.namebrightdns.com carries IP addresses 3.80.58.200, 34.229.232.153 and 184.72.158.182, with 4 other addresses beyond those.

Hosts with five IP addresses:

nsg2.namebrightdns.com has IP addresses 3.89.3.9, 32.199.157.129 and 98.81.218.26 along with two other addresses.

Host names carrying three IP numbers:

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

opensourcelearning.com - robtex.com