checkwindow.com - dns.ninja

`checkwindow.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:6900:d1bd:7672:d0ca^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:7bc2:638d:8ca6:fcc4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:d57d:390a:64b4:d4f1^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	52.203.211.134^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
			PTR	`ec2-52-203-211-134.compute-1.amazonaws.com`
		A	52.204.81.90^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
			PTR	`ec2-52-204-81-90.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:4a5c:f736:fa58:d85^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:5b81:82bc:6de0:b02c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:a80d:aa66:fb:1e18^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.88.240.25^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-88-240-25.compute-1.amazonaws.com`
		A	52.55.198.41^{🇺🇸 Amazon52.54.0.0/15 EC2 Region prefix}
			PTR	`ec2-52-55-198-41.compute-1.amazonaws.com`
		A	54.175.130.15^{🇺🇸 Amazon54.174.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-175-130-15.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:7b03:f4b:4bfa:8287^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:cc5d:cd19:dd5:828e^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:3ee4:3218:624e:fbef^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.80.109.14^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-80-109-14.compute-1.amazonaws.com`
		A	18.232.139.44^{🇺🇸 Amazon18.232.0.0/14 EC2 IAD prefix}
			PTR	`ec2-18-232-139-44.compute-1.amazonaws.com`
		A	98.81.3.34^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-81-3-34.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-06-28 #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=1782694180

Subdomains

mail.checkwindow.com

Same first word

checkwindow.com

Similar names

windowcheck.com.hk

windowcheck.com

DNS History

21 records (7 active, 14 former)

○NSns1.myezdns.com2015-06-05 → 2015-11-08 · 4 obs

● 2015-06-05 17:42:28
● 2015-11-08 03:43:20
○ 2016-02-07 07:33:16
○ 2026-06-29 00:53:28

●NSns1.namebrightdns.com2026-03-13 → 2026-06-29 · 3 obs

○ 2019-12-31 15:04:56
● 2026-03-13 05:50:50
● 2026-06-29 00:53:28

○NSns2.myezdns.com2015-06-05 → 2015-11-08 · 4 obs

● 2015-06-05 17:42:28
● 2015-11-08 03:43:20
○ 2016-02-07 07:33:16
○ 2026-06-29 00:53:28

○NSns3.myezdns.com2015-06-05 → 2015-11-08 · 4 obs

● 2015-06-05 17:42:28
● 2015-11-08 03:43:20
○ 2016-02-07 07:33:16
○ 2026-06-29 00:53:28

○NSns4.myezdns.com2015-06-05 → 2015-11-08 · 4 obs

● 2015-06-05 17:42:28
● 2015-11-08 03:43:20
○ 2016-02-07 07:33:16
○ 2026-06-29 00:53:28

○NSns5.myezdns.com2015-06-05 → 2015-11-08 · 4 obs

● 2015-06-05 17:42:28
● 2015-11-08 03:43:20
○ 2016-02-07 07:33:16
○ 2026-06-29 00:53:28

○NSns6.myezdns.com2015-06-05 → 2015-11-08 · 4 obs

● 2015-06-05 17:42:28
● 2015-11-08 03:43:20
○ 2016-02-07 07:33:16
○ 2026-06-29 00:53:28

○NSns6343.hostgator.com2016-02-07 → 2016-04-28 · 5 obs

○ 2015-11-08 03:43:20
● 2016-02-07 07:33:16
● 2016-04-28 03:35:50
○ 2019-12-31 15:04:56
○ 2026-06-29 00:53:28

○NSns6344.hostgator.com2016-02-07 → 2016-04-28 · 5 obs

○ 2015-11-08 03:43:20
● 2016-02-07 07:33:16
● 2016-04-28 03:35:50
○ 2019-12-31 15:04:56
○ 2026-06-29 00:53:28

●NSnsg1.namebrightdns.com2019-12-31 → 2026-06-29 · 3 obs

○ 2016-04-28 03:35:50
● 2019-12-31 15:04:56
● 2026-06-29 00:53:28

●NSnsg2.namebrightdns.com2019-12-31 → 2026-06-29 · 3 obs

○ 2016-04-28 03:35:50
● 2019-12-31 15:04:56
● 2026-06-29 00:53:28

○MXeml-1.sitecname.com2015-06-05 → 2015-11-08 · 4 obs

● 2015-06-05 17:42:28
● 2015-11-08 03:43:20
○ 2016-02-07 07:33:16
○ 2026-06-29 00:53:28

○MXmail.checkwindow.com2016-02-07 → 2016-04-28 · 5 obs

○ 2015-11-08 03:43:20
● 2016-02-07 07:33:16
● 2016-04-28 03:35:50
○ 2019-12-31 15:04:56
○ 2026-06-29 00:53:28

○A127.0.0.12017-02-06 → 2017-02-06 · 4 obs

○ 2016-04-28 03:35:50
● 2017-02-06 09:20:00
○ 2019-12-31 15:04:56
○ 2026-06-29 00:53:28

●A13.223.25.842026-03-13 → 2026-06-29 · 3 obs

○ 2019-12-31 15:04:56
● 2026-03-13 05:50:50
● 2026-06-29 00:53:28

○A192.254.186.682016-02-07 → 2016-04-28 · 5 obs

○ 2015-11-08 03:43:20
● 2016-02-07 07:33:16
● 2016-04-28 03:35:50
○ 2017-02-06 09:20:00
○ 2026-06-29 00:53:28

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-13 → 2026-06-29 · 3 obs

○ 2019-12-31 15:04:56
● 2026-03-13 05:50:50
● 2026-06-29 00:53:28

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-13 → 2026-06-29 · 3 obs

○ 2019-12-31 15:04:56
● 2026-03-13 05:50:50
● 2026-06-29 00:53:28

●A54.243.117.1972026-03-13 → 2026-06-29 · 3 obs

○ 2019-12-31 15:04:56
● 2026-03-13 05:50:50
● 2026-06-29 00:53:28

○A58.64.140.2392015-06-05 → 2015-11-08 · 4 obs

● 2015-06-05 17:42:28
● 2015-11-08 03:43:20
○ 2016-02-07 07:33:16
○ 2026-06-29 00:53:28

○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2019-12-31 → 2019-12-31 · 3 obs

● 2019-12-31 15:04:56
○ 2026-03-13 05:50:50
○ 2026-06-29 00:53:28

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:18.232.139.44

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for checkwindow.com (unsigned zone)

⏱️ Timing

Total: 344ms | 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	`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

Hierarchy

checkwindow.com serves as the parent of mail.checkwindow.com.

IP Addresses

checkwindow.com has 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.

pcstek.com, atclc.com, 174-143-156-7.static.cloud-ips.com plus two other host names have IP numbers in common with checkwindow.com.

Name Servers

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

checkwindow.com has at least partial name server overlap with other domains, such as omegaimage.com, 81.deliqua.com, indismart.com and two others.

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

Hosts with 6 IP addresses each:

nsg1.namebrightdns.com carries IP addresses 3.88.240.25, 52.55.198.41 and 54.175.130.15, with 3 other addresses beyond those.

nsg2.namebrightdns.com carries IP addresses 3.80.109.14, 18.232.139.44 and 98.81.3.34, with 3 other addresses beyond those.

Hosts with five IP addresses:

ns1.namebrightdns.com has IP addresses 52.203.211.134, 52.204.81.90 and 2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca along with two other addresses.