rt4.app - dns.ninja

`rt4.app`

DNSSEC	⚠️ Not signed
A	13.248.243.5^{🇺🇸 Amazon13.248.240.0/20}
		PTR	`a16e665f42988324c.awsglobalaccelerator.com`
A	76.223.105.230^{🇺🇸 Amazon76.223.96.0/20}
NS	`ns17.domaincontrol.com` ⭐
		A	2603:5:21c0::9^{🇺🇸 GODADDY-DNS2603:5:21c0::/44}
			PTR	`ns17.domaincontrol.com`
		A	97.74.108.9^{🇺🇸 GODADDY-DNS97.74.108.0/23}
			PTR	`ns17.domaincontrol.com`
NS	`ns18.domaincontrol.com`
		A	2603:5:22c0::9^{🇺🇸 GODADDY-DNS2603:5:22c0::/44}
			PTR	`ns18.domaincontrol.com`
		A	173.201.76.9^{🇺🇸 GODADDY-DNS173.201.76.0/23}
			PTR	`ns18.domaincontrol.com`
TXT	`ZA=6RxXN9W+TLJuW1YZlaSx2A==`
TXT	`khlj834iahcl94qtlunduf6t58`
SOA	`ns17.domaincontrol.com`dns@jomax.net 2026-02-10 #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

rt4.xyz

rt4.app

rt4.net

rt4.de

rt4.mx

rt4.org

rt4.ca

rt4.com

rt4.nl

rt4.at

Similar names

r4t.ch

4tr.biz

tr4.com.br

4rt.cc

t4r.ru

4tr.pages.dev

4tr.cc

t4r.co

4tr.es

4rt.de

tr4.com

4rt.eu

r4t.me

4rt.club

tr4.mobi

4tr.com

tr4.de

t4r.net

r4t.com

4tr.info

r4t.cn

r4t.org

t4r.com

tr4.org

4rt.science

r4t.ru

4tr.net

4tr.eu

tr4.com.cn

t4r.com.br

4rt.us

4rt.com

r4t.waw.pl

r4t.it

tr4.dk

4tr.us

r4t.es

4tr.org

4rt.ru

t4r.org

r4t.de

tr4.info

t4r.nl

4rt.co.uk

4rt.io

4rt.net

4rt.es

4rt.me

4rt.ai

r4t.biz

r4t.net

tr4.net

tr4.co

DNS History

4 records (4 active, 0 former)

●NSns17.domaincontrol.com2026-04-06 → 2026-07-28 · 2 obs

● 2026-04-06 15:10:18
● 2026-07-28 21:42:34

●NSns18.domaincontrol.com2026-04-06 → 2026-07-28 · 2 obs

● 2026-04-06 15:10:18
● 2026-07-28 21:42:34

●A13.248.243.52026-04-06 → 2026-07-28 · 2 obs

● 2026-04-06 15:10:18
● 2026-07-28 21:42:34

●A76.223.105.2302026-04-06 → 2026-07-28 · 2 obs

● 2026-04-06 15:10:18
● 2026-07-28 21:42:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...	-
rt4.app	ns17.domaincontrol.com, ns18.domaincontrol.com	-

✅ Authoritative Response

Server:173.201.76.9

NS records: ns17.domaincontrol.com, ns18.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rt4.app (unsigned zone)

⏱️ Timing

Total: 409ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`76.223.105.230, 13.248.243.5`
NS	2	`ns17.domaincontrol.com, ns18.domaincontrol.com`
TXT	2	`ZA=6RxXN9W+TLJuW1YZlaSx2A==, khlj834iahcl94qtlunduf6t58`
SOA	1	`ns17.domaincontrol.com dns.jomax.net`

Analysis

IP Addresses

rt4.app has two IP addresses: 13.248.243.5 and 76.223.105.230

Among the host names that share IP numbers with rt4.app are songbirdflorals.com, mrrealestateservices.com, sievertoutfitting.com and two others.

Name Servers

rt4.app is served by two delegated name servers, ns17.domaincontrol.com and ns18.domaincontrol.com.

rt4.app has the same name server delegation as a number of other domains, such as thelocal.nyc, lukekidney.co.uk, kinker.co.uk and two more.

Each of the two host names carries two IP addresses: ns17.domaincontrol.com points to 97.74.108.9 and 2603:5:21c0::9, and ns18.domaincontrol.com points to 173.201.76.9 and 2603:5:22c0::9.