coursestamp.com - dns.ninja

`coursestamp.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:c41d:b4cf:322b:2aa6^{🇺🇸 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	100.58.124.42^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
			PTR	`ec2-100-58-124-42.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:4f4e:999e:923d:5c17^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:53a5:7e50:1f55:7b6f^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:c77b:8621:67b5:65^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	34.224.33.29^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
			PTR	`ec2-34-224-33-29.compute-1.amazonaws.com`
		A	54.152.124.255^{🇺🇸 Amazon54.152.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-152-124-255.compute-1.amazonaws.com`
		A	54.211.183.184^{🇺🇸 Amazon54.211.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-211-183-184.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:1ff8:84b4:19de:5ca6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:3318:60ad:71b4:f645^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:8e29:87d8:f97c:1291^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.81.83.148^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-81-83-148.compute-1.amazonaws.com`
		A	54.235.53.129^{🇺🇸 Amazon54.234.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-235-53-129.compute-1.amazonaws.com`
		A	100.27.188.59^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
			PTR	`ec2-100-27-188-59.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-08-14 #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=1786709199

Same first word

coursestamp.com

Similar names

DNS History

31 records (7 active, 24 former)

○NSns-cloud-a1.googledomains.com2020-02-16 → 2020-02-16 · 3 obs

● 2020-02-16 19:53:30
○ 2026-02-22 12:07:08
○ 2026-08-14 12:18:16

○NSns-cloud-a2.googledomains.com2020-02-16 → 2020-02-16 · 3 obs

● 2020-02-16 19:53:30
○ 2026-02-22 12:07:08
○ 2026-08-14 12:18:16

○NSns-cloud-a3.googledomains.com2020-02-16 → 2020-02-16 · 3 obs

● 2020-02-16 19:53:30
○ 2026-02-22 12:07:08
○ 2026-08-14 12:18:16

○NSns-cloud-a4.googledomains.com2020-02-16 → 2020-02-16 · 3 obs

● 2020-02-16 19:53:30
○ 2026-02-22 12:07:08
○ 2026-08-14 12:18:16

●NSns1.namebrightdns.com2026-06-18 → 2026-08-14 · 3 obs

○ 2026-04-08 01:25:00
● 2026-06-18 08:11:30
● 2026-08-14 12:18:16

○NSns1028.ui-dns.de2026-02-22 → 2026-04-07 · 5 obs

○ 2020-02-16 19:53:30
● 2026-02-22 12:07:08
● 2026-04-07 13:09:06
○ 2026-04-08 01:25:00
○ 2026-08-14 12:18:16

○NSns1034.ui-dns.biz2026-02-22 → 2026-04-07 · 5 obs

○ 2020-02-16 19:53:30
● 2026-02-22 12:07:08
● 2026-04-07 13:09:06
○ 2026-04-08 01:25:00
○ 2026-08-14 12:18:16

○NSns1047.ui-dns.org2026-02-22 → 2026-04-07 · 5 obs

○ 2020-02-16 19:53:30
● 2026-02-22 12:07:08
● 2026-04-07 13:09:06
○ 2026-04-08 01:25:00
○ 2026-08-14 12:18:16

○NSns1098.ui-dns.com2026-02-22 → 2026-04-07 · 5 obs

○ 2020-02-16 19:53:30
● 2026-02-22 12:07:08
● 2026-04-07 13:09:06
○ 2026-04-08 01:25:00
○ 2026-08-14 12:18:16

●NSnsg1.namebrightdns.com2026-06-18 → 2026-08-14 · 3 obs

○ 2026-04-08 01:25:00
● 2026-06-18 08:11:30
● 2026-08-14 12:18:16

●NSnsg2.namebrightdns.com2026-06-18 → 2026-08-14 · 3 obs

○ 2026-04-08 01:25:00
● 2026-06-18 08:11:30
● 2026-08-14 12:18:16

○MXmx00.ionos.co.uk2026-02-22 → 2026-04-07 · 4 obs

● 2026-02-22 12:07:08
● 2026-04-07 13:09:06
○ 2026-04-08 01:25:00
○ 2026-08-14 12:18:16

○MXmx01.ionos.co.uk2026-02-22 → 2026-04-07 · 4 obs

● 2026-02-22 12:07:08
● 2026-04-07 13:09:06
○ 2026-04-08 01:25:00
○ 2026-08-14 12:18:16

●A13.223.25.842026-07-18 → 2026-08-14 · 3 obs

○ 2026-06-18 08:11:30
● 2026-07-18 13:33:04
● 2026-08-14 12:18:16

○A2001:4860:4802:32::152020-02-16 → 2020-02-16 · 3 obs

● 2020-02-16 19:53:30
○ 2026-02-22 12:07:08
○ 2026-08-14 12:18:16

○A2001:4860:4802:34::152020-02-16 → 2020-02-16 · 3 obs

● 2020-02-16 19:53:30
○ 2026-02-22 12:07:08
○ 2026-08-14 12:18:16

○A2001:4860:4802:36::152020-02-16 → 2020-02-16 · 3 obs

● 2020-02-16 19:53:30
○ 2026-02-22 12:07:08
○ 2026-08-14 12:18:16

○A2001:4860:4802:38::152020-02-16 → 2020-02-16 · 3 obs

● 2020-02-16 19:53:30
○ 2026-02-22 12:07:08
○ 2026-08-14 12:18:16

○A2001:8d8:100f:f000::2002026-02-22 → 2026-04-07 · 5 obs

○ 2020-02-16 19:53:30
● 2026-02-22 12:07:08
● 2026-04-07 13:09:06
○ 2026-04-08 01:25:00
○ 2026-08-14 12:18:16

○A216.239.32.212020-02-16 → 2020-02-16 · 3 obs

● 2020-02-16 19:53:30
○ 2026-02-22 12:07:08
○ 2026-08-14 12:18:16

○A216.239.34.212020-02-16 → 2020-02-16 · 3 obs

● 2020-02-16 19:53:30
○ 2026-02-22 12:07:08
○ 2026-08-14 12:18:16

○A216.239.36.212020-02-16 → 2020-02-16 · 3 obs

● 2020-02-16 19:53:30
○ 2026-02-22 12:07:08
○ 2026-08-14 12:18:16

○A216.239.38.212020-02-16 → 2020-02-16 · 3 obs

● 2020-02-16 19:53:30
○ 2026-02-22 12:07:08
○ 2026-08-14 12:18:16

○A217.160.0.122026-02-22 → 2026-04-07 · 5 obs

○ 2020-02-16 19:53:30
● 2026-02-22 12:07:08
● 2026-04-07 13:09:06
○ 2026-04-08 01:25:00
○ 2026-08-14 12:18:16

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-07-18 → 2026-08-14 · 3 obs

○ 2026-06-18 08:11:30
● 2026-07-18 13:33:04
● 2026-08-14 12:18:16

○A2600:1f18:4ae:c605:f094:2a0a:4985:526e2026-06-18 → 2026-06-18 · 4 obs

○ 2026-04-08 01:25:00
● 2026-06-18 08:11:30
○ 2026-07-18 13:33:04
○ 2026-08-14 12:18:16

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-07-18 → 2026-08-14 · 3 obs

○ 2026-06-18 08:11:30
● 2026-07-18 13:33:04
● 2026-08-14 12:18:16

○A2600:1f18:4ae:c606:def:b9d9:eb9e:77662026-06-18 → 2026-06-18 · 4 obs

○ 2026-04-08 01:25:00
● 2026-06-18 08:11:30
○ 2026-07-18 13:33:04
○ 2026-08-14 12:18:16

○A52.201.53.1662026-06-18 → 2026-06-18 · 4 obs

○ 2026-04-08 01:25:00
● 2026-06-18 08:11:30
○ 2026-07-18 13:33:04
○ 2026-08-14 12:18:16

●A54.243.117.1972026-07-18 → 2026-08-14 · 3 obs

○ 2026-06-18 08:11:30
● 2026-07-18 13:33:04
● 2026-08-14 12:18:16

○A98.82.42.1392026-06-18 → 2026-06-18 · 4 obs

○ 2026-04-08 01:25:00
● 2026-06-18 08:11:30
○ 2026-07-18 13:33:04
○ 2026-08-14 12:18:16

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:100.27.188.59

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursestamp.com (unsigned zone)

⏱️ Timing

Total: 2604ms | 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	`nsg2.namebrightdns.com, nsg1.namebrightdns.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 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

coursestamp.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.

batistaproperties.com, online.rentersonline.com, mail.vivaplenitude.com plus two other host names have IP numbers in common with coursestamp.com.

Name Servers

The authoritative name servers for coursestamp.com are ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com — three in total.

coursestamp.com partially shares its NS delegation with several other domains, including 2ee66.jsdcoffee.com, 65d07.jsdcoffee.com, hobt.net and two others.

These name servers tend to appear together with the name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com, plus two others.

Hosts with 6 IP addresses each:

Hostname nsg1.namebrightdns.com directs to 34.224.33.29, 54.152.124.255 and 54.211.183.184 along with 3 other IP addresses.

Hostname nsg2.namebrightdns.com directs to 3.81.83.148, 54.235.53.129 and 100.27.188.59 along with 3 other IP addresses.

Host names carrying three IP numbers:

The hostname ns1.namebrightdns.com directs to 3.89.42.183, 100.58.124.42 and 2600:1f18:683a:ae1a:c41d:b4cf:322b:2aa6.