`classtee.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:8c4:68b9:44b4:20ca^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:d924:c2c2:8eb:e6d6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:d98e:e41f:ff9d:96f^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.159.91.195^{🇺🇸 Amazon54.156.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-159-91-195.compute-1.amazonaws.com`
		A	54.205.240.161^{🇺🇸 Amazon54.204.0.0/15 EC2 IAD Prefix}
			PTR	`ec2-54-205-240-161.compute-1.amazonaws.com`
		A	54.221.9.138^{🇺🇸 Amazon54.221.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-221-9-138.compute-1.amazonaws.com`
NS	`nsg3.namebrightdns.com`
		A	2600:1f18:683a:ae1a:2162:1161:bf5:bac0^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:683e:b359:e13d:6b0a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:4136:eadb:bc78:9b77^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:9806:d504:f0e4:26c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:d511:f968:62a7:e148^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.85.217.230^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-85-217-230.compute-1.amazonaws.com`
		A	13.218.37.139^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-218-37-139.compute-1.amazonaws.com`
		A	44.220.149.224^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-220-149-224.compute-1.amazonaws.com`
		A	54.221.186.213^{🇺🇸 Amazon54.221.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-221-186-213.compute-1.amazonaws.com`
		A	54.226.64.89^{🇺🇸 Amazon54.226.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-226-64-89.compute-1.amazonaws.com`
NS	`nsg4.namebrightdns.com`
		A	2600:1f18:683a:ae1a:b9cf:f452:709a:baee^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:e5a9:8ee2:a408:496a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:6e0:8d20:f757:f42e^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:1f3c:eb29:bb01:4f95^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.93.7.56^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-93-7-56.compute-1.amazonaws.com`
		A	52.90.182.127^{🇺🇸 Amazon52.90.0.0/15 EC2 IAD prefix}
			PTR	`ec2-52-90-182-127.compute-1.amazonaws.com`
		A	54.80.96.143^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-80-96-143.compute-1.amazonaws.com`
		A	54.196.231.29^{🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15}
			PTR	`ec2-54-196-231-29.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-03-29 #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=1774812522

Same first word

classtee.com

Similar names

DNS History

21 records (7 active, 14 former)

●NSns1.namebrightdns.com2016-03-07 → 2026-03-29 · 5 obs

○ 2015-12-03 09:50:44
● 2016-03-07 10:09:12
○ 2016-07-16 08:45:08
● 2017-03-29 07:21:20
● 2026-03-29 19:56:18

○NSns2.namebrightdns.com2016-03-07 → 2017-03-29 · 6 obs

○ 2015-12-03 09:50:44
● 2016-03-07 10:09:12
○ 2016-07-16 08:45:08
● 2017-03-29 07:21:20
○ 2026-03-17 08:01:28
○ 2026-03-29 19:56:18

○NSnsg1.namebrightdns.com2015-07-23 → 2016-07-16 · 4 obs

● 2015-07-23 14:22:50
● 2016-07-16 08:45:08
○ 2017-03-29 07:21:20
○ 2026-03-29 19:56:18

○NSnsg2.namebrightdns.com2015-07-23 → 2016-07-16 · 6 obs

● 2015-07-23 14:22:50
● 2015-12-03 09:50:44
○ 2016-03-07 10:09:12
● 2016-07-16 08:45:08
○ 2017-03-29 07:21:20
○ 2026-03-29 19:56:18

●NSnsg3.namebrightdns.com2026-03-17 → 2026-03-29 · 3 obs

○ 2017-03-29 07:21:20
● 2026-03-17 08:01:28
● 2026-03-29 19:56:18

●NSnsg4.namebrightdns.com2026-03-17 → 2026-03-29 · 3 obs

○ 2017-03-29 07:21:20
● 2026-03-17 08:01:28
● 2026-03-29 19:56:18

○MXanmail.namebrightmail.com2015-07-23 → 2015-07-23 · 3 obs

● 2015-07-23 14:22:50
○ 2015-12-03 09:50:44
○ 2026-03-29 19:56:18

●A13.223.25.842026-03-17 → 2026-03-29 · 3 obs

○ 2017-03-29 07:21:20
● 2026-03-17 08:01:28
● 2026-03-29 19:56:18

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-17 → 2026-03-29 · 3 obs

○ 2017-03-29 07:21:20
● 2026-03-17 08:01:28
● 2026-03-29 19:56:18

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-17 → 2026-03-29 · 3 obs

○ 2017-03-29 07:21:20
● 2026-03-17 08:01:28
● 2026-03-29 19:56:18

○A34.206.157.642017-03-29 → 2017-03-29 · 4 obs

○ 2016-07-16 08:45:08
● 2017-03-29 07:21:20
○ 2026-03-17 08:01:28
○ 2026-03-29 19:56:18

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

○ 2015-12-03 09:50:44
● 2016-03-07 10:09:12
○ 2016-07-16 08:45:08
○ 2026-03-29 19:56:18

○A52.201.19.1702016-07-16 → 2016-07-16 · 4 obs

○ 2016-03-07 10:09:12
● 2016-07-16 08:45:08
○ 2017-03-29 07:21:20
○ 2026-03-29 19:56:18

○A52.202.238.1262016-07-16 → 2016-07-16 · 4 obs

○ 2016-03-07 10:09:12
● 2016-07-16 08:45:08
○ 2017-03-29 07:21:20
○ 2026-03-29 19:56:18

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

○ 2015-12-03 09:50:44
● 2016-03-07 10:09:12
○ 2016-07-16 08:45:08
○ 2026-03-29 19:56:18

○A54.174.31.2542015-07-23 → 2015-12-03 · 4 obs

● 2015-07-23 14:22:50
● 2015-12-03 09:50:44
○ 2016-03-07 10:09:12
○ 2026-03-29 19:56:18

○A54.208.74.2152015-07-23 → 2015-12-03 · 4 obs

● 2015-07-23 14:22:50
● 2015-12-03 09:50:44
○ 2016-03-07 10:09:12
○ 2026-03-29 19:56:18

○A54.236.195.152017-03-29 → 2017-03-29 · 4 obs

○ 2016-07-16 08:45:08
● 2017-03-29 07:21:20
○ 2026-03-17 08:01:28
○ 2026-03-29 19:56:18

●A54.243.117.1972026-03-17 → 2026-03-29 · 3 obs

○ 2017-03-29 07:21:20
● 2026-03-17 08:01:28
● 2026-03-29 19:56:18

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-07-23 → 2016-07-16 · 4 obs

● 2015-07-23 14:22:50
● 2016-07-16 08:45:08
○ 2017-03-29 07:21:20
○ 2026-03-29 19:56:18

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-03-29 → 2017-03-29 · 4 obs

○ 2016-07-16 08:45:08
● 2017-03-29 07:21:20
○ 2026-03-17 08:01:28
○ 2026-03-29 19:56:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net...	-
classtee.com	nsg3.namebrightdns.com, nsg4.namebrightdns.com	16 records

✅ Authoritative Response

Server:13.218.37.139

NS records: nsg3.namebrightdns.com, nsg4.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classtee.com (unsigned zone)

⏱️ Timing

Total: 158ms | 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	`nsg4.namebrightdns.com, nsg3.namebrightdns.com`
TXT	2	`v=spf1 -all, afternic-verification-G9G3tM8T8EwEizzPzj`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 16

Out-of-bailiwick: 16 (nsg3.namebrightdns.com, nsg3.namebrightdns.com, nsg3.namebrightdns.com...)

Analysis

IP Addresses

classtee.com maps to four IP numbers: 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 13.223.25.84 and 54.243.117.197.

Other host names, for instance assgap.com, adlog.robotseven.com, gate-pri.bdpmedia.com, i-www.yleng.com and mail.bjlock.com share IP numbers with classtee.com.

Name Servers

classtee.com is delegated to name servers ns1.namebrightdns.com, nsg3.namebrightdns.com and nsg4.namebrightdns.com.

classtee.com at least partially shares name servers with other domains such as medzip911.com, renewwise.com, jpautos.com, paacg.com and pxeh.com.

these name servers are commonly used alongside the name servers nsg1.namebrightdns.com, nsg2.namebrightdns.com, domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com and ns2.namebrightdns.com.

Ten IPs for entry nsg3.namebrightdns.com: 2600:1f18:683a:ae1a:2162:1161:bf5:bac0, 2600:1f18:683a:ae1a:683e:b359:e13d:6b0a, 2600:1f18:683a:ae1b:4136:eadb:bc78:9b77, 2600:1f18:683a:ae1b:9806:d504:f0e4:26c, 2600:1f18:683a:ae1b:d511:f968:62a7:e148, 3.85.217.230, 13.218.37.139, 44.220.149.224, 54.221.186.213 and 54.226.64.89.

Eight IPs for entry nsg4.namebrightdns.com: 2600:1f18:683a:ae1a:b9cf:f452:709a:baee, 2600:1f18:683a:ae1a:e5a9:8ee2:a408:496a, 2600:1f18:683a:ae1b:6e0:8d20:f757:f42e, 2600:1f18:683a:ae1b:1f3c:eb29:bb01:4f95, 3.93.7.56, 52.90.182.127, 54.80.96.143 and 54.196.231.29.

Six IPs for entry ns1.namebrightdns.com: 2600:1f18:683a:ae1a:8c4:68b9:44b4:20ca, 2600:1f18:683a:ae1a:d924:c2c2:8eb:e6d6, 2600:1f18:683a:ae1b:d98e:e41f:ff9d:96f, 54.159.91.195, 54.205.240.161 and 54.221.9.138.

classtee.com - robtex.com

classtee.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`classtee.com`

`com`