`casechek.app`

DNSSEC	⚠️ Not signed
A	3.170.3.40^{🇺🇸 Amazon3.170.3.0/24}
		PTR	`server-3-170-3-40.iad55.r.cloudfront.net`
A	3.170.3.50^{🇺🇸 Amazon3.170.3.0/24}
A	3.170.3.60^{🇺🇸 Amazon3.170.3.0/24}
A	3.170.3.78^{🇺🇸 Amazon3.170.3.0/24}
NS	`ns-1334.awsdns-38.org` ⭐
		A	2600:9000:5305:3600::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1334.awsdns-38.org`
		A	205.251.197.54^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1334.awsdns-38.org`
NS	`ns-1653.awsdns-14.co.uk`
		A	2600:9000:5306:7500::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1653.awsdns-14.co.uk`
		A	205.251.198.117^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1653.awsdns-14.co.uk`
NS	`ns-290.awsdns-36.com`
		A	2600:9000:5301:2200::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-290.awsdns-36.com`
		A	205.251.193.34^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-290.awsdns-36.com`
NS	`ns-584.awsdns-09.net`
		A	2600:9000:5302:4800::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-584.awsdns-09.net`
		A	205.251.194.72^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-584.awsdns-09.net`
TXT	`v=spf1 include:amazonses.com ~all`
SOA	`ns-1334.awsdns-38.org`awsdns-hostmaster@amazon.com serial=1

`app`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=101427

🔒 HSTS Preload (+subdomains)

Same first word

casechek.app

casechek.com

Similar names

schaecke.at

cheeksac.com

schaecke.net

DNS History

20 records (8 active, 12 former)

●NSns-1334.awsdns-38.org2026-02-15 → 2026-03-09 · 2 obs

● 2026-02-15 12:19:20
● 2026-03-09 10:25:48

●NSns-1653.awsdns-14.co.uk2026-02-15 → 2026-03-09 · 2 obs

● 2026-02-15 12:19:20
● 2026-03-09 10:25:48

●NSns-290.awsdns-36.com2026-02-15 → 2026-03-09 · 2 obs

● 2026-02-15 12:19:20
● 2026-03-09 10:25:48

●NSns-584.awsdns-09.net2026-02-15 → 2026-03-09 · 2 obs

● 2026-02-15 12:19:20
● 2026-03-09 10:25:48

○A13.33.153.1272026-02-17 → 2026-03-07 · 17 obs

○ 2026-02-17 01:01:16
● 2026-02-17 10:58:20
● 2026-02-18 19:55:56
○ 2026-02-20 10:21:06
○ 2026-02-24 13:57:48
● 2026-02-25 01:17:40
○ 2026-02-27 19:54:32
○ 2026-02-28 10:03:14
● 2026-02-28 15:05:14
○ 2026-03-01 07:19:04
● 2026-03-02 12:36:52
○ 2026-03-03 01:28:50
○ 2026-03-03 07:27:36
● 2026-03-03 15:01:56
● 2026-03-07 03:33:34
○ 2026-03-09 10:25:46
○ 2026-03-09 10:25:48

○A13.33.153.222026-02-17 → 2026-03-07 · 17 obs

○A13.33.153.32026-02-17 → 2026-03-07 · 17 obs

○A13.33.153.922026-02-17 → 2026-03-07 · 17 obs

○A18.154.206.512026-02-15 → 2026-03-03 · 21 obs

● 2026-02-15 12:19:20
○ 2026-02-17 01:01:16
○ 2026-02-20 10:21:06
● 2026-02-20 19:37:34
○ 2026-02-21 14:48:58
● 2026-02-21 19:49:58
○ 2026-02-22 15:30:46
● 2026-02-23 18:01:40
○ 2026-02-23 21:56:18
○ 2026-02-24 12:48:04
● 2026-02-24 13:57:48
○ 2026-02-25 01:17:40
○ 2026-02-28 07:26:02
● 2026-02-28 10:03:14
○ 2026-02-28 15:05:14
● 2026-03-01 07:19:04
○ 2026-03-02 12:36:52
○ 2026-03-03 01:28:50
● 2026-03-03 07:27:36
○ 2026-03-03 15:01:56
○ 2026-03-09 10:25:48

○A18.154.206.592026-02-15 → 2026-03-03 · 21 obs

○A18.154.206.732026-02-15 → 2026-03-03 · 21 obs

○A18.154.206.942026-02-15 → 2026-03-03 · 21 obs

○A3.162.103.22026-02-17 → 2026-03-03 · 21 obs

○ 2026-02-15 12:19:20
● 2026-02-17 01:01:16
○ 2026-02-17 10:58:20
○ 2026-02-18 19:55:56
● 2026-02-20 10:21:06
○ 2026-02-20 19:37:34
● 2026-02-21 14:48:58
○ 2026-02-21 19:49:58
● 2026-02-22 15:30:46
○ 2026-02-23 18:01:40
● 2026-02-23 21:56:18
● 2026-02-24 12:48:04
○ 2026-02-24 13:57:48
○ 2026-02-25 01:17:40
● 2026-02-27 19:54:32
● 2026-02-28 07:26:02
○ 2026-02-28 10:03:14
○ 2026-03-02 12:36:52
● 2026-03-03 01:28:50
○ 2026-03-03 07:27:36
○ 2026-03-09 10:25:48

○A3.162.103.532026-02-17 → 2026-03-03 · 21 obs

○A3.162.103.742026-02-17 → 2026-03-03 · 21 obs

○A3.162.103.912026-02-17 → 2026-03-03 · 21 obs

●A3.170.3.402026-03-09 → 2026-03-09 · 3 obs

○ 2026-03-07 03:33:34
● 2026-03-09 10:25:46
● 2026-03-09 10:25:48

●A3.170.3.502026-03-09 → 2026-03-09 · 3 obs

○ 2026-03-07 03:33:34
● 2026-03-09 10:25:46
● 2026-03-09 10:25:48

●A3.170.3.602026-03-09 → 2026-03-09 · 3 obs

○ 2026-03-07 03:33:34
● 2026-03-09 10:25:46
● 2026-03-09 10:25:48

●A3.170.3.782026-03-09 → 2026-03-09 · 3 obs

○ 2026-03-07 03:33:34
● 2026-03-09 10:25:46
● 2026-03-09 10:25:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld5.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...	10 records
casechek.app	ns-584.awsdns-09.net, ns-1653.awsdns-14.co.uk, ns-290.awsdns-36.com, ns-1334.awsdns-38.org	-

✅ Authoritative Response

Server: 205.251.193.34

NS records: ns-584.awsdns-09.net, ns-1653.awsdns-14.co.uk, ns-290.awsdns-36.com, ns-1334.awsdns-38.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for casechek.app (unsigned zone)

⏱️ Timing

Total: 560ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.170.3.50, 3.170.3.40...`
NS	4	`ns-1334.awsdns-38.org, ns-1653.awsdns-14.co.uk...`
TXT	1	`v=spf1 include:amazonses.com ~all`
SOA	1	`ns-1334.awsdns-38.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

casechek.app points to four IP numbers: 3.170.3.40, 3.170.3.50, 3.170.3.60 and 3.170.3.78.

Other host names, for instance www.smartbuyglasses.nl, integrationsimplex.com, p45640.my.plentysystems.com, hotelsaintmarc.com and mtfujiaurora.com share IP numbers with casechek.app.

Name Servers

casechek.app is delegated to four name servers: ns-290.awsdns-36.com, ns-584.awsdns-09.net, ns-1334.awsdns-38.org and ns-1653.awsdns-14.co.uk.

casechek.app at least partially shares name servers with other domains, for instance rush01.com, postcode-lottery.net, damianhelme.com, d1ah3ue7tvgwra.cloudfront.net and saasmaker.com.

These name servers are commonly used alongside ns-50.awsdns-06.com, ns-1132.awsdns-13.org, ns-1687.awsdns-18.co.uk and ns-1786.awsdns-31.co.uk.

Host names with two IP numbers:

ns-290.awsdns-36.com points to: 2600:9000:5301:2200::1 and 205.251.193.34.

ns-584.awsdns-09.net points to: 2600:9000:5302:4800::1 and 205.251.194.72.

ns-1334.awsdns-38.org points to: 2600:9000:5305:3600::1 and 205.251.197.54.

ns-1653.awsdns-14.co.uk points to: 2600:9000:5306:7500::1 and 205.251.198.117.

casechek.app - robtex.com

casechek.app

app

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

`casechek.app`

`app`