🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`codeinstructor.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: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	`domain-for-sale.hugedomainsdns.com`
		A	2600:1f18:683a:ae1a:11b2:a77e:d3b1:128c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:b4c1:8c29:e7eb:44e9^{🇺🇸 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	3.80.58.200^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-80-58-200.compute-1.amazonaws.com`
		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`
NS	`forsale.hugedomainsdns.com`
		A	2600:1f18:683a:ae1a:dbe4:7131:a2ea:398^{🇺🇸 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:a173:e9ba:e6b9:735a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.89.243.1^{🇺🇸 Amazon54.89.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-89-243-1.compute-1.amazonaws.com`
		A	54.197.31.213^{🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15}
			PTR	`ec2-54-197-31-213.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`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-09-21 #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=1790027324

Same first word

codeinstructor.com

Previous names

Next names

DNS History

24 records (7 active, 17 former)

●NSdomain-for-sale.hugedomainsdns.com2026-09-12 → 2026-09-21 · 3 obs

○ 2018-09-11 03:56:06
● 2026-09-12 06:53:48
● 2026-09-21 22:08:08

●NSforsale.hugedomainsdns.com2026-09-12 → 2026-09-21 · 3 obs

○ 2018-09-11 03:56:06
● 2026-09-12 06:53:48
● 2026-09-21 22:08:08

●NSns1.namebrightdns.com2015-07-01 → 2026-09-21 · 7 obs

● 2015-07-01 13:26:30
● 2015-11-10 02:18:20
○ 2016-02-02 20:03:02
● 2016-05-09 06:10:52
○ 2017-01-14 19:30:40
● 2018-09-11 03:56:06
● 2026-09-21 22:08:08

○NSns2.namebrightdns.com2015-07-01 → 2018-09-11 · 8 obs

● 2015-07-01 13:26:30
● 2015-11-10 02:18:20
○ 2016-02-02 20:03:02
● 2016-05-09 06:10:52
○ 2017-01-14 19:30:40
● 2018-09-11 03:56:06
○ 2026-09-12 06:53:48
○ 2026-09-21 22:08:08

○NSnsg1.namebrightdns.com2015-11-10 → 2016-02-02 · 5 obs

○ 2015-07-01 13:26:30
● 2015-11-10 02:18:20
● 2016-02-02 20:03:02
○ 2016-05-09 06:10:52
○ 2026-09-21 22:08:08

○NSnsg2.namebrightdns.com2016-02-02 → 2016-02-02 · 4 obs

○ 2015-11-10 02:18:20
● 2016-02-02 20:03:02
○ 2016-05-09 06:10:52
○ 2026-09-21 22:08:08

○NSnst1.namebrightdns.com2017-01-14 → 2017-01-14 · 4 obs

○ 2016-05-09 06:10:52
● 2017-01-14 19:30:40
○ 2018-09-11 03:56:06
○ 2026-09-21 22:08:08

○NSnst2.namebrightdns.com2017-01-14 → 2017-01-14 · 4 obs

○ 2016-05-09 06:10:52
● 2017-01-14 19:30:40
○ 2018-09-11 03:56:06
○ 2026-09-21 22:08:08

○MXanmail.namebrightmail.com2015-07-01 → 2015-07-01 · 3 obs

● 2015-07-01 13:26:30
○ 2015-11-10 02:18:20
○ 2026-09-21 22:08:08

●A13.223.25.842026-09-12 → 2026-09-21 · 3 obs

○ 2018-09-11 03:56:06
● 2026-09-12 06:53:48
● 2026-09-21 22:08:08

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-09-12 → 2026-09-21 · 3 obs

○ 2018-09-11 03:56:06
● 2026-09-12 06:53:48
● 2026-09-21 22:08:08

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-09-12 → 2026-09-21 · 3 obs

○ 2018-09-11 03:56:06
● 2026-09-12 06:53:48
● 2026-09-21 22:08:08

○A34.197.4.702017-01-14 → 2017-01-14 · 4 obs

○ 2016-05-09 06:10:52
● 2017-01-14 19:30:40
○ 2018-09-11 03:56:06
○ 2026-09-21 22:08:08

○A52.0.96.242016-02-02 → 2016-02-02 · 4 obs

○ 2015-11-10 02:18:20
● 2016-02-02 20:03:02
○ 2016-05-09 06:10:52
○ 2026-09-21 22:08:08

○A52.200.243.1232016-05-09 → 2016-05-09 · 4 obs

○ 2016-02-02 20:03:02
● 2016-05-09 06:10:52
○ 2017-01-14 19:30:40
○ 2026-09-21 22:08:08

○A52.22.211.552016-02-02 → 2016-02-02 · 4 obs

○ 2015-11-10 02:18:20
● 2016-02-02 20:03:02
○ 2016-05-09 06:10:52
○ 2026-09-21 22:08:08

○A52.54.132.832017-01-14 → 2017-01-14 · 4 obs

○ 2016-05-09 06:10:52
● 2017-01-14 19:30:40
○ 2018-09-11 03:56:06
○ 2026-09-21 22:08:08

○A52.71.117.992016-02-02 → 2016-02-02 · 4 obs

○ 2015-11-10 02:18:20
● 2016-02-02 20:03:02
○ 2016-05-09 06:10:52
○ 2026-09-21 22:08:08

○A54.152.144.2432016-05-09 → 2016-05-09 · 4 obs

○ 2016-02-02 20:03:02
● 2016-05-09 06:10:52
○ 2017-01-14 19:30:40
○ 2026-09-21 22:08:08

○A54.174.31.2542015-07-01 → 2015-11-10 · 4 obs

● 2015-07-01 13:26:30
● 2015-11-10 02:18:20
○ 2016-02-02 20:03:02
○ 2026-09-21 22:08:08

○A54.208.74.2152015-07-01 → 2015-11-10 · 4 obs

● 2015-07-01 13:26:30
● 2015-11-10 02:18:20
○ 2016-02-02 20:03:02
○ 2026-09-21 22:08:08

●A54.243.117.1972026-09-12 → 2026-09-21 · 3 obs

○ 2018-09-11 03:56:06
● 2026-09-12 06:53:48
● 2026-09-21 22:08:08

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-07-01 → 2016-05-09 · 4 obs

● 2015-07-01 13:26:30
● 2016-05-09 06:10:52
○ 2017-01-14 19:30:40
○ 2026-09-21 22:08:08

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-01-14 → 2018-09-11 · 5 obs

○ 2016-05-09 06:10:52
● 2017-01-14 19:30:40
● 2018-09-11 03:56:06
○ 2026-09-12 06:53:48
○ 2026-09-21 22:08:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net...	-
codeinstructor.com	domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com	12 records

✅ Authoritative Response

Server:3.91.250.66

NS records: domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codeinstructor.com (unsigned zone)

⏱️ Timing

Total: 207ms | 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	`forsale.hugedomainsdns.com, domain-for-sale.hugedomainsdns.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 (domain-for-sale.hugedomainsdns.com, domain-for-sale.hugedomainsdns.com, domain-for-sale.hugedomainsdns.com...)

Analysis

IP Addresses

codeinstructor.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.

bunte.www.fluffable.com, 81.rrplus.com, oqishi.com plus two other host names have IP numbers in common with codeinstructor.com.

Name Servers

Three name servers are authoritative for codeinstructor.com: domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com and ns1.namebrightdns.com.

There is at least partial name server overlap between codeinstructor.com and other domains — tashbrands.com, industrybar.com, dowarra.com and two more among them.

The name servers nsg1.namebrightdns.com, nsg2.namebrightdns.com and ns2.namebrightdns.com are often found in combination with these name servers.

Hosts with 6 IP addresses each:

domain-for-sale.hugedomainsdns.com carries IP addresses 3.80.58.200, 3.91.250.66 and 54.161.34.38, with 3 other addresses beyond those.

forsale.hugedomainsdns.com carries IP addresses 54.89.243.1, 54.197.31.213 and 98.89.38.19, with 3 other addresses beyond those.

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.

codeinstructor.com - robtex.com