classmath.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`classmath.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:f9ef:3d2a:f8f1:187d^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.167.43.58^{🇺🇸 Amazon54.167.0.0/17}
			PTR	`ec2-54-167-43-58.compute-1.amazonaws.com`
		A	98.85.227.130^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-85-227-130.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:66d3:a082:2083:6c1b^{🇺🇸 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	3.87.242.44^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-87-242-44.compute-1.amazonaws.com`
		A	98.88.73.11^{🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix}
			PTR	`ec2-98-88-73-11.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`
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:da83:890f:73ec:439^{🇺🇸 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	2600:1f18:683a:ae1b:e20a:80a6:20af:150a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		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`
		A	54.205.146.233^{🇺🇸 Amazon54.204.0.0/15 EC2 IAD Prefix}
			PTR	`ec2-54-205-146-233.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-09-25 #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=1790362874

Subdomains

ns1.classmath.com

ns2.classmath.com

Same first word

classmath.com

Similar names

Previous names

Next names

DNS History

21 records (7 active, 14 former)

●NSns1.namebrightdns.com2015-12-10 → 2026-09-25 · 6 obs

○ 2015-08-15 10:23:42
● 2015-12-10 13:49:10
● 2017-03-18 21:54:34
○ 2019-02-09 12:32:40
● 2026-03-27 09:58:52
● 2026-09-25 19:07:24

○NSns2.namebrightdns.com2015-12-10 → 2017-03-18 · 5 obs

○ 2015-08-15 10:23:42
● 2015-12-10 13:49:10
● 2017-03-18 21:54:34
○ 2019-02-09 12:32:40
○ 2026-09-25 19:07:24

●NSnsg1.namebrightdns.com2015-08-15 → 2026-09-25 · 5 obs

● 2015-08-15 10:23:42
○ 2015-12-10 13:49:10
○ 2017-03-18 21:54:34
● 2019-02-09 12:32:40
● 2026-09-25 19:07:24

●NSnsg2.namebrightdns.com2015-08-15 → 2026-09-25 · 5 obs

● 2015-08-15 10:23:42
○ 2015-12-10 13:49:10
○ 2017-03-18 21:54:34
● 2019-02-09 12:32:40
● 2026-09-25 19:07:24

○A107.23.160.2182015-12-10 → 2015-12-10 · 4 obs

○ 2015-08-15 10:23:42
● 2015-12-10 13:49:10
○ 2016-03-12 15:14:32
○ 2026-09-25 19:07:24

○A107.23.198.2402016-07-11 → 2016-07-11 · 4 obs

○ 2016-03-12 15:14:32
● 2016-07-11 15:15:18
○ 2017-03-18 21:54:34
○ 2026-09-25 19:07:24

●A13.223.25.842026-03-27 → 2026-09-25 · 3 obs

○ 2019-02-09 12:32:40
● 2026-03-27 09:58:52
● 2026-09-25 19:07:24

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-27 → 2026-09-25 · 3 obs

○ 2019-02-09 12:32:40
● 2026-03-27 09:58:52
● 2026-09-25 19:07:24

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-27 → 2026-09-25 · 3 obs

○ 2019-02-09 12:32:40
● 2026-03-27 09:58:52
● 2026-09-25 19:07:24

○A34.206.157.642017-03-18 → 2017-03-18 · 4 obs

○ 2016-07-11 15:15:18
● 2017-03-18 21:54:34
○ 2019-02-09 12:32:40
○ 2026-09-25 19:07:24

○A52.0.96.242016-03-12 → 2016-03-12 · 4 obs

○ 2015-12-10 13:49:10
● 2016-03-12 15:14:32
○ 2016-07-11 15:15:18
○ 2026-09-25 19:07:24

○A52.4.72.1372016-07-11 → 2016-07-11 · 4 obs

○ 2016-03-12 15:14:32
● 2016-07-11 15:15:18
○ 2017-03-18 21:54:34
○ 2026-09-25 19:07:24

○A52.71.117.992016-03-12 → 2016-03-12 · 4 obs

○ 2015-12-10 13:49:10
● 2016-03-12 15:14:32
○ 2016-07-11 15:15:18
○ 2026-09-25 19:07:24

○A54.174.31.2542015-08-15 → 2015-08-15 · 3 obs

● 2015-08-15 10:23:42
○ 2019-02-09 12:32:40
○ 2026-09-25 19:07:24

○A54.208.74.2152015-08-15 → 2015-08-15 · 3 obs

● 2015-08-15 10:23:42
○ 2019-02-09 12:32:40
○ 2026-09-25 19:07:24

○A54.209.90.812015-12-10 → 2015-12-10 · 4 obs

○ 2015-08-15 10:23:42
● 2015-12-10 13:49:10
○ 2016-03-12 15:14:32
○ 2026-09-25 19:07:24

○A54.236.195.152017-03-18 → 2017-03-18 · 4 obs

○ 2016-07-11 15:15:18
● 2017-03-18 21:54:34
○ 2019-02-09 12:32:40
○ 2026-09-25 19:07:24

●A54.243.117.1972026-03-27 → 2026-09-25 · 3 obs

○ 2019-02-09 12:32:40
● 2026-03-27 09:58:52
● 2026-09-25 19:07:24

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-08-15 → 2016-07-11 · 4 obs

● 2015-08-15 10:23:42
● 2016-07-11 15:15:18
○ 2017-03-18 21:54:34
○ 2026-09-25 19:07:24

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-03-18 → 2017-03-18 · 4 obs

○ 2016-07-11 15:15:18
● 2017-03-18 21:54:34
○ 2019-02-09 12:32:40
○ 2026-09-25 19:07:24

○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2019-02-09 → 2019-02-09 · 4 obs

○ 2017-03-18 21:54:34
● 2019-02-09 12:32:40
○ 2026-03-27 09:58:52
○ 2026-09-25 19:07:24

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:3.91.250.66

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classmath.com (unsigned zone)

⏱️ Timing

Total: 269ms | 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	`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

Hierarchy

classmath.com is the parent domain of ns1.classmath.com and ns2.classmath.com.

IP Addresses

classmath.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 — www1.datater.com, southendsavings.com, potternews.com and two others — share IP numbers with classmath.com.

Name Servers

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

classmath.com partially shares its NS delegation with several other domains, including engelinsulation.com, valuateme.com, colonyfinancial.com and two others.

Host names with 7 IP numbers:

nsg2.namebrightdns.com maps to 3.91.250.66, 54.161.34.38, 54.205.146.233 and 4 additional IP addresses.

Host names that resolve to five IP addresses:

nsg1.namebrightdns.com points to 3.87.242.44, 98.88.73.11, 98.89.38.19 and two other IP addresses.

Host names with three IP numbers:

ns1.namebrightdns.com maps to three IP addresses: 54.167.43.58, 98.85.227.130 and 2600:1f18:683a:ae1b:f9ef:3d2a:f8f1:187d.