🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`ctstem.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	54.152.150.60^{🇺🇸 Amazon54.152.0.0/16 EC2 IAD prefix}
		A	54.209.0.198^{🇺🇸 Amazon54.208.0.0/15 EC2 IAD prefix}
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:1793:b119:1d7f:4567^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:37da:b9b8:b818:7cbe^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:f1f4:ce20:6701:56c9^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.80.240.164^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-80-240-164.compute-1.amazonaws.com`
		A	3.93.178.191^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-93-178-191.compute-1.amazonaws.com`
		A	3.94.113.234^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-94-113-234.compute-1.amazonaws.com`
		A	18.215.171.129^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
			PTR	`ec2-18-215-171-129.compute-1.amazonaws.com`
		A	35.174.16.242^{🇺🇸 Amazon35.168.0.0/13 EC2 IAD prefix}
			PTR	`ec2-35-174-16-242.compute-1.amazonaws.com`
		A	52.23.203.237^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-23-203-237.compute-1.amazonaws.com`
		A	54.82.111.130^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-82-111-130.compute-1.amazonaws.com`
		A	54.147.234.123^{🇺🇸 Amazon54.144.0.0/14 EC2 IAD NAT prefix}
			PTR	`ec2-54-147-234-123.compute-1.amazonaws.com`
		A	54.210.48.241^{🇺🇸 Amazon54.210.0.0/16 EC2 IAD VPC Address Range}
			PTR	`ec2-54-210-48-241.compute-1.amazonaws.com`
		A	100.30.226.156^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
			PTR	`ec2-100-30-226-156.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:3a10:3aa3:c133:c889^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:4f92:a4bf:3a9d:8571^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:fef5:cc9a:3175:926^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.85.132.13^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-85-132-13.compute-1.amazonaws.com`
		A	3.92.166.172^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-92-166-172.compute-1.amazonaws.com`
		A	18.212.215.249^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
			PTR	`ec2-18-212-215-249.compute-1.amazonaws.com`
		A	18.232.148.235^{🇺🇸 Amazon18.232.0.0/14 EC2 IAD prefix}
			PTR	`ec2-18-232-148-235.compute-1.amazonaws.com`
		A	54.80.112.10^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-80-112-10.compute-1.amazonaws.com`
		A	54.236.4.88^{🇺🇸 Amazon54.236.0.0/18 EC2 IAD prefix}
			PTR	`ec2-54-236-4-88.compute-1.amazonaws.com`
		A	98.81.116.147^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-81-116-147.compute-1.amazonaws.com`
		A	98.93.92.51^{🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix}
			PTR	`ec2-98-93-92-51.compute-1.amazonaws.com`
		A	100.54.144.76^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
			PTR	`ec2-100-54-144-76.compute-1.amazonaws.com`
		A	100.59.187.194^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
			PTR	`ec2-100-59-187-194.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-10-23 #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=1792740711

Same first word

ctstem.com

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Previous names

Next names

DNS History

12 records (7 active, 5 former)

●NSns1.namebrightdns.com2026-09-14 → 2026-10-23 · 3 obs

○ 2019-01-06 07:39:36
● 2026-09-14 23:50:32
● 2026-10-23 07:57:08

○NSns73.domaincontrol.com2015-08-02 → 2019-01-06 · 4 obs

● 2015-08-02 13:02:36
● 2019-01-06 07:39:36
○ 2026-09-14 23:50:32
○ 2026-10-23 07:57:08

○NSns74.domaincontrol.com2015-08-02 → 2019-01-06 · 4 obs

● 2015-08-02 13:02:36
● 2019-01-06 07:39:36
○ 2026-09-14 23:50:32
○ 2026-10-23 07:57:08

●NSnsg1.namebrightdns.com2026-09-14 → 2026-10-23 · 3 obs

○ 2019-01-06 07:39:36
● 2026-09-14 23:50:32
● 2026-10-23 07:57:08

●NSnsg2.namebrightdns.com2026-09-14 → 2026-10-23 · 3 obs

○ 2019-01-06 07:39:36
● 2026-09-14 23:50:32
● 2026-10-23 07:57:08

○MXmailstore1.secureserver.net2015-08-02 → 2019-01-06 · 4 obs

● 2015-08-02 13:02:36
● 2019-01-06 07:39:36
○ 2026-09-14 23:50:32
○ 2026-10-23 07:57:08

○MXsmtp.secureserver.net2015-08-02 → 2019-01-06 · 4 obs

● 2015-08-02 13:02:36
● 2019-01-06 07:39:36
○ 2026-09-14 23:50:32
○ 2026-10-23 07:57:08

●A13.223.25.842026-09-14 → 2026-10-23 · 3 obs

○ 2019-01-06 07:39:36
● 2026-09-14 23:50:32
● 2026-10-23 07:57:08

○A184.168.221.392015-08-02 → 2019-01-06 · 4 obs

● 2015-08-02 13:02:36
● 2019-01-06 07:39:36
○ 2026-09-14 23:50:32
○ 2026-10-23 07:57:08

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-09-14 → 2026-10-23 · 3 obs

○ 2019-01-06 07:39:36
● 2026-09-14 23:50:32
● 2026-10-23 07:57:08

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-09-14 → 2026-10-23 · 3 obs

○ 2019-01-06 07:39:36
● 2026-09-14 23:50:32
● 2026-10-23 07:57:08

●A54.243.117.1972026-09-14 → 2026-10-23 · 3 obs

○ 2019-01-06 07:39:36
● 2026-09-14 23:50:32
● 2026-10-23 07:57:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
ctstem.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:54.82.111.130

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctstem.com (unsigned zone)

⏱️ Timing

Total: 321ms | 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

ctstem.com directs to four IP numbers, which are 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.

Among the host names that share IP numbers with ctstem.com are highcareclinic.com, heatsecurity.com, canvasspot.com and two others.

Name Servers

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

There is at least partial name server overlap between ctstem.com and other domains — housechocolate.com, barnardcollege.com, punjabilive.com and two more among them.

The name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com are often found in combination with these name servers.

Host names resolving to 13 IP numbers:

nsg1.namebrightdns.com carries IP addresses 3.80.240.164, 3.93.178.191 and 3.94.113.234, with 10 other addresses beyond those.

nsg2.namebrightdns.com carries IP addresses 3.85.132.13, 3.92.166.172 and 18.212.215.249, with 10 other addresses beyond those.

Hosts pointing to four IP addresses:

ns1.namebrightdns.com resolves to four IP addresses — 54.152.150.60, 54.209.0.198, 2600:1f18:683a:ae1a:401d:c0e9:501a:ea95 and 2600:1f18:683a:ae1a:b913:ba6c:3406:1ea4.

ctstem.com - robtex.com

ctstem.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

`ctstem.com`

`com`