🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`classrun.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:401d:c0e9:501a:ea95^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:b913:ba6c:3406:1ea4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:8f86:730e:f0dc:d67a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.152.208.19^{🇺🇸 Amazon54.152.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-152-208-19.compute-1.amazonaws.com`
		A	54.209.0.198^{🇺🇸 Amazon54.208.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-209-0-198.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:b8f2:aaa1:737f:94b4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:cdd7:bd29:1367:9b99^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:ae05:7278:b3b9:45e^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:c832:8740:b614:9565^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.91.225.10^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-91-225-10.compute-1.amazonaws.com`
		A	13.217.214.227^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-217-214-227.compute-1.amazonaws.com`
		A	54.80.58.107^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-80-58-107.compute-1.amazonaws.com`
		A	98.88.70.171^{🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix}
			PTR	`ec2-98-88-70-171.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:47b8:4102:c979:82f4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:8c61:6778:bb40:cade^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:7eb7:8a84:355a:8073^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:a1f4:cddb:212c:f4cc^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.91.42.110^{🇺🇸 Amazon54.90.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-91-42-110.compute-1.amazonaws.com`
		A	54.198.171.37^{🇺🇸 Amazon54.198.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-198-171-37.compute-1.amazonaws.com`
		A	54.227.18.235^{🇺🇸 Amazon54.226.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-227-18-235.compute-1.amazonaws.com`
		A	100.52.255.192^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
			PTR	`ec2-100-52-255-192.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-10-31 #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=1793477686

Same first word

classrun.com

classrun.kr

classrun.com.br

Similar names

surcansl.com

nurclass.com.br

russclan.com

ussrclan.com

rnslucas.com

urlscans.com

scanurls.com

runclass.com

ruslancs.workers.dev

urlscans.ph

carlssun.de

urlscans.pages.dev

clansrus.com

runclass.xyz

nurclass.com.tr

Previous names

Next names

DNS History

18 records (7 active, 11 former)

●NSns1.namebrightdns.com2015-08-22 → 2026-10-31 · 2 obs

● 2015-08-22 19:53:12
● 2026-10-31 20:35:10

○NSns2.namebrightdns.com2015-08-22 → 2017-08-25 · 6 obs

● 2015-08-22 19:53:12
○ 2015-12-20 09:33:50
● 2016-03-23 03:48:28
● 2017-08-25 22:33:42
○ 2026-09-13 11:53:52
○ 2026-10-31 20:35:10

●NSnsg1.namebrightdns.com2015-08-22 → 2026-10-31 · 6 obs

● 2015-08-22 19:53:12
● 2016-03-23 03:48:28
○ 2016-12-04 19:11:14
○ 2017-08-25 22:33:42
● 2026-09-13 11:53:52
● 2026-10-31 20:35:10

●NSnsg2.namebrightdns.com2015-12-20 → 2026-10-31 · 6 obs

○ 2015-08-22 19:53:12
● 2015-12-20 09:33:50
○ 2016-03-23 03:48:28
○ 2017-08-25 22:33:42
● 2026-09-13 11:53:52
● 2026-10-31 20:35:10

○A107.23.160.2182015-12-20 → 2015-12-20 · 4 obs

○ 2015-08-22 19:53:12
● 2015-12-20 09:33:50
○ 2016-03-23 03:48:28
○ 2026-10-31 20:35:10

●A13.223.25.842026-09-13 → 2026-10-31 · 3 obs

○ 2017-08-25 22:33:42
● 2026-09-13 11:53:52
● 2026-10-31 20:35:10

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-09-13 → 2026-10-31 · 3 obs

○ 2017-08-25 22:33:42
● 2026-09-13 11:53:52
● 2026-10-31 20:35:10

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-09-13 → 2026-10-31 · 3 obs

○ 2017-08-25 22:33:42
● 2026-09-13 11:53:52
● 2026-10-31 20:35:10

○A52.21.180.2332016-03-23 → 2016-03-23 · 4 obs

○ 2015-12-20 09:33:50
● 2016-03-23 03:48:28
○ 2016-12-04 19:11:14
○ 2026-10-31 20:35:10

○A52.3.120.902016-03-23 → 2016-03-23 · 4 obs

○ 2015-12-20 09:33:50
● 2016-03-23 03:48:28
○ 2016-12-04 19:11:14
○ 2026-10-31 20:35:10

○A52.4.32.832016-12-04 → 2016-12-04 · 4 obs

○ 2016-03-23 03:48:28
● 2016-12-04 19:11:14
○ 2017-08-25 22:33:42
○ 2026-10-31 20:35:10

○A52.54.177.2062016-12-04 → 2016-12-04 · 4 obs

○ 2016-03-23 03:48:28
● 2016-12-04 19:11:14
○ 2017-08-25 22:33:42
○ 2026-10-31 20:35:10

○A54.174.31.2542015-08-22 → 2015-08-22 · 3 obs

● 2015-08-22 19:53:12
○ 2017-08-25 22:33:42
○ 2026-10-31 20:35:10

○A54.208.74.2152015-08-22 → 2015-08-22 · 3 obs

● 2015-08-22 19:53:12
○ 2017-08-25 22:33:42
○ 2026-10-31 20:35:10

○A54.209.90.812015-12-20 → 2015-12-20 · 4 obs

○ 2015-08-22 19:53:12
● 2015-12-20 09:33:50
○ 2016-03-23 03:48:28
○ 2026-10-31 20:35:10

●A54.243.117.1972026-09-13 → 2026-10-31 · 3 obs

○ 2017-08-25 22:33:42
● 2026-09-13 11:53:52
● 2026-10-31 20:35:10

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-08-22 → 2016-03-23 · 4 obs

● 2015-08-22 19:53:12
● 2016-03-23 03:48:28
○ 2016-12-04 19:11:14
○ 2026-10-31 20:35:10

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2016-12-04 → 2017-08-25 · 5 obs

○ 2016-03-23 03:48:28
● 2016-12-04 19:11:14
● 2017-08-25 22:33:42
○ 2026-09-13 11:53:52
○ 2026-10-31 20:35:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net...	-
classrun.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	16 records

✅ Authoritative Response

Server:3.91.225.10

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classrun.com (unsigned zone)

⏱️ Timing

Total: 1964ms | 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	`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: 16

Out-of-bailiwick: 16 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

classrun.com resolves to 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 greatcarts.com, hashindia.com and zionvacationhome.com, also share IP numbers with classrun.com.

Name Servers

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

classrun.com shares at least some of its name servers with other domains, including personalleader.com, checkip.dydns.com, presidenting.com and two others.

These name servers are frequently seen alongside the name servers ns2.namebrightdns.com.

DNS names with 8 IP addresses:

nsg1.namebrightdns.com carries IP addresses 3.91.225.10, 13.217.214.227 and 54.80.58.107, with 5 other addresses beyond those.

nsg2.namebrightdns.com carries IP addresses 54.91.42.110, 54.198.171.37 and 54.227.18.235, with 5 other addresses beyond those.

Host names directing to five IP addresses:

ns1.namebrightdns.com has four IP addresses — 54.152.208.19, 54.209.0.198, 2600:1f18:683a:ae1a:401d:c0e9:501a:ea95 and two others.

classrun.com - robtex.com

classrun.com

com

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`classrun.com`

`com`