`rt138.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:a4c1^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:2978^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.41.120^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.164.193^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mary.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a86^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c086^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mary.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2086^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mary.ns.cloudflare.com`
		A	108.162.192.134^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	172.64.32.134^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	173.245.58.134^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
NS	`ram.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ram.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ram.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ram.ns.cloudflare.com`
		A	108.162.193.225^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ram.ns.cloudflare.com`
		A	172.64.33.225^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ram.ns.cloudflare.com`
		A	173.245.59.225^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ram.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.41.120, 172.67.164.193
		IPv6 hints	2606:4700:3035::ac43:a4c1, 2606:4700:3037::6815:2978
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=106, name=cloudflare-ech.com
SOA	`mary.ns.cloudflare.com`dns@cloudflare.com serial=2410404097

`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

⚠️ On DNS blocklist: gambling
🔒 HSTS Preload (+subdomains)

Same first word

rt138.workers.dev

rt138.org

rt138.app

DNS History

10 records (6 active, 4 former)

●NSmary.ns.cloudflare.com2026-08-01 → 2026-08-07 · 2 obs

● 2026-08-01 21:40:28
● 2026-08-07 07:12:36

●NSram.ns.cloudflare.com2026-08-01 → 2026-08-07 · 2 obs

● 2026-08-01 21:40:28
● 2026-08-07 07:12:36

●A104.21.41.1202026-08-01 → 2026-08-07 · 3 obs

○ 2026-08-01 21:40:28
● 2026-08-01 23:48:18
● 2026-08-07 07:12:36

●A172.67.164.1932026-08-01 → 2026-08-07 · 3 obs

○ 2026-08-01 21:40:28
● 2026-08-01 23:48:18
● 2026-08-07 07:12:36

○A188.114.96.02026-08-01 → 2026-08-01 · 3 obs

● 2026-08-01 21:40:28
○ 2026-08-01 23:48:18
○ 2026-08-07 07:12:36

○A188.114.97.02026-08-01 → 2026-08-01 · 3 obs

● 2026-08-01 21:40:28
○ 2026-08-01 23:48:18
○ 2026-08-07 07:12:36

●A2606:4700:3035::ac43:a4c12026-08-01 → 2026-08-07 · 3 obs

○ 2026-08-01 21:40:28
● 2026-08-01 23:48:18
● 2026-08-07 07:12:36

●A2606:4700:3037::6815:29782026-08-01 → 2026-08-07 · 3 obs

○ 2026-08-01 21:40:28
● 2026-08-01 23:48:18
● 2026-08-07 07:12:36

○A2a06:98c1:3120::2026-08-01 → 2026-08-01 · 3 obs

● 2026-08-01 21:40:28
○ 2026-08-01 23:48:18
○ 2026-08-07 07:12:36

○A2a06:98c1:3121::2026-08-01 → 2026-08-01 · 3 obs

● 2026-08-01 21:40:28
○ 2026-08-01 23:48:18
○ 2026-08-07 07:12:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
rt138.app	mary.ns.cloudflare.com, ram.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.225

NS records: mary.ns.cloudflare.com, ram.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rt138.app (unsigned zone)

⏱️ Timing

Total: 560ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.164.193, 104.21.41.120`
AAAA	2	`2606:4700:3035::ac43:a4c1, 2606:4700:3037::6815:2978`
NS	2	`mary.ns.cloudflare.com, ram.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mary.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

rt138.app has four IP addresses: 104.21.41.120, 172.67.164.193, 2606:4700:3035::ac43:a4c1 and 2606:4700:3037::6815:2978.

Among the host names that share IP numbers with rt138.app are studioproject.uk, s10.a026.ap.uoforums.com, freestylecycling.com and two others.

Name Servers

rt138.app has two authoritative name servers — mary.ns.cloudflare.com and ram.ns.cloudflare.com.

rt138.app has the same name server delegation as a number of other domains, such as be25.xyz, joya9bets.app, bets3liv.com and two more.

rt138.app partially shares its NS delegation with several other domains, including appblip.com, bravofrog.com, wecac.org and two others.

Host names resolving to 6 IP numbers:

mary.ns.cloudflare.com points to 108.162.192.134, 172.64.32.134, 173.245.58.134 and 3 other IP addresses.

ram.ns.cloudflare.com points to 108.162.193.225, 172.64.33.225, 173.245.59.225 and 3 other IP addresses.

rt138.app - robtex.com

rt138.app

app

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`rt138.app`

`app`