🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`opensourcemath.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	34.229.15.31^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
			PTR	`ec2-34-229-15-31.compute-1.amazonaws.com`
		A	54.87.15.152^{🇺🇸 Amazon54.87.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-87-15-152.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:b7f8:9db8:e2c0:ea4d^{🇺🇸 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:972d:ba8c:15bd:1fc4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:c591:a60:8296:4c8d^{🇺🇸 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`
		A	54.224.169.73^{🇺🇸 Amazon54.224.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-224-169-73.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:ae1a:bf98:4592:dea7:ef46^{🇺🇸 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	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-10-06 #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=1791275879

Same first word

opensourcemath.com

Similar names

homespacounter.com

openmathcourse.de

penthousemarco.com

Previous names

Next names

DNS History

18 records (7 active, 11 former)

●NSns1.namebrightdns.com2015-08-11 → 2026-10-06 · 2 obs

● 2015-08-11 12:07:06
● 2026-10-06 09:00:46

○NSns2.namebrightdns.com2015-08-11 → 2017-03-30 · 4 obs

● 2015-08-11 12:07:06
● 2017-03-30 17:04:44
○ 2026-09-14 07:19:50
○ 2026-10-06 09:00:46

●NSnsg1.namebrightdns.com2015-08-11 → 2026-10-06 · 5 obs

● 2015-08-11 12:07:06
○ 2015-11-30 21:08:58
○ 2017-03-30 17:04:44
● 2026-09-14 07:19:50
● 2026-10-06 09:00:46

●NSnsg2.namebrightdns.com2015-11-30 → 2026-10-06 · 6 obs

○ 2015-08-11 12:07:06
● 2015-11-30 21:08:58
○ 2016-03-07 23:43:52
○ 2017-03-30 17:04:44
● 2026-09-14 07:19:50
● 2026-10-06 09:00:46

○A107.23.198.2402016-07-08 → 2016-07-08 · 4 obs

○ 2016-03-07 23:43:52
● 2016-07-08 10:02:08
○ 2017-03-30 17:04:44
○ 2026-10-06 09:00:46

●A13.223.25.842026-09-14 → 2026-10-06 · 3 obs

○ 2017-03-30 17:04:44
● 2026-09-14 07:19:50
● 2026-10-06 09:00:46

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-09-14 → 2026-10-06 · 3 obs

○ 2017-03-30 17:04:44
● 2026-09-14 07:19:50
● 2026-10-06 09:00:46

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-09-14 → 2026-10-06 · 3 obs

○ 2017-03-30 17:04:44
● 2026-09-14 07:19:50
● 2026-10-06 09:00:46

○A52.0.96.242016-03-07 → 2016-03-07 · 4 obs

○ 2015-11-30 21:08:58
● 2016-03-07 23:43:52
○ 2016-07-08 10:02:08
○ 2026-10-06 09:00:46

○A52.204.129.222017-03-30 → 2017-03-30 · 4 obs

○ 2016-07-08 10:02:08
● 2017-03-30 17:04:44
○ 2026-09-14 07:19:50
○ 2026-10-06 09:00:46

○A52.4.72.1372016-07-08 → 2016-07-08 · 4 obs

○ 2016-03-07 23:43:52
● 2016-07-08 10:02:08
○ 2017-03-30 17:04:44
○ 2026-10-06 09:00:46

○A52.71.117.992016-03-07 → 2016-03-07 · 4 obs

○ 2015-11-30 21:08:58
● 2016-03-07 23:43:52
○ 2016-07-08 10:02:08
○ 2026-10-06 09:00:46

○A54.174.31.2542015-08-11 → 2015-11-30 · 4 obs

● 2015-08-11 12:07:06
● 2015-11-30 21:08:58
○ 2016-03-07 23:43:52
○ 2026-10-06 09:00:46

○A54.208.74.2152015-08-11 → 2015-11-30 · 4 obs

● 2015-08-11 12:07:06
● 2015-11-30 21:08:58
○ 2016-03-07 23:43:52
○ 2026-10-06 09:00:46

●A54.243.117.1972026-09-14 → 2026-10-06 · 3 obs

○ 2017-03-30 17:04:44
● 2026-09-14 07:19:50
● 2026-10-06 09:00:46

○A54.85.127.702017-03-30 → 2017-03-30 · 4 obs

○ 2016-07-08 10:02:08
● 2017-03-30 17:04:44
○ 2026-09-14 07:19:50
○ 2026-10-06 09:00:46

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-08-11 → 2016-07-08 · 4 obs

● 2015-08-11 12:07:06
● 2016-07-08 10:02:08
○ 2017-03-30 17:04:44
○ 2026-10-06 09:00:46

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-03-30 → 2017-03-30 · 4 obs

○ 2016-07-08 10:02:08
● 2017-03-30 17:04:44
○ 2026-09-14 07:19:50
○ 2026-10-06 09:00:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net...	-
opensourcemath.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	14 records

✅ Authoritative Response

Server:54.91.117.97

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opensourcemath.com (unsigned zone)

⏱️ Timing

Total: 609ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.223.25.84, 54.243.117.197`
AAAA	2	`2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee`
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: 14

Out-of-bailiwick: 14 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

opensourcemath.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.

Additional host names — boatvisor.com, ardownload.isabelclicks.com, nautiluspoolsusa.com and two others — share IP numbers with opensourcemath.com.

Name Servers

opensourcemath.com is delegated to three name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

opensourcemath.com has at least partial name server overlap with other domains, such as mastivideo.com, 77aarrr.com, rainmakerplus.com and two others.

These name servers tend to appear together with the name servers domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com and ns2.namebrightdns.com.

Host names with 8 IP numbers:

nsg1.namebrightdns.com resolves to 13.221.70.139, 52.90.122.106, 54.91.117.97 and 5 other IP addresses.

Host names with 6 IP numbers:

nsg2.namebrightdns.com resolves to 3.81.217.152, 54.82.105.15, 54.209.221.205 and 3 other IP addresses.

Host names with two IP numbers:

ns1.namebrightdns.com points to 34.229.15.31 and 54.87.15.152.

opensourcemath.com - robtex.com