`contentshowcase.app`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3037::6815:2c31^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:c316^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.44.49^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.195.22^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ken.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b7f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c17f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ken.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:217f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ken.ns.cloudflare.com`
		A	108.162.193.127^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
		A	172.64.33.127^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
		A	173.245.59.127^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
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`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁴⁴⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁷⁴⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`google-gws-recovery-domain-verification=66859964`
TXT	`google-site-verification=a6HlctBhc0Tu-aeJrPYTrOWd3zKWHG2NyjHO6XxTQb4`
TXT	`google-site-verification=qMqYW45vFnMGfZJZ3AIacM5knRF0rIZdXik1sa-9kcU`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.44.49, 172.67.195.22
		IPv6 hints	2606:4700:3037::6815:2c31, 2606:4700:3037::ac43:c316
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=82, name=cloudflare-ech.com
SOA	`ken.ns.cloudflare.com`dns@cloudflare.com serial=2403830593

`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

contentshowcase.app

DNS History

18 records (9 active, 9 former)

●NSken.ns.cloudflare.com2020-02-10 → 2026-05-11 · 2 obs

● 2020-02-10 23:02:06
● 2026-05-11 23:04:02

●NSmary.ns.cloudflare.com2020-02-10 → 2026-05-11 · 2 obs

● 2020-02-10 23:02:06
● 2026-05-11 23:04:02

○MXalt1.gmr-smtp-in.l.google.com2020-02-10 → 2020-02-10 · 3 obs

● 2020-02-10 23:02:06
○ 2026-04-19 04:44:48
○ 2026-05-11 23:04:02

○MXalt2.gmr-smtp-in.l.google.com2020-02-10 → 2020-02-10 · 3 obs

● 2020-02-10 23:02:06
○ 2026-04-19 04:44:48
○ 2026-05-11 23:04:02

○MXalt3.gmr-smtp-in.l.google.com2020-02-10 → 2020-02-10 · 3 obs

● 2020-02-10 23:02:06
○ 2026-04-19 04:44:48
○ 2026-05-11 23:04:02

○MXalt4.gmr-smtp-in.l.google.com2020-02-10 → 2020-02-10 · 3 obs

● 2020-02-10 23:02:06
○ 2026-04-19 04:44:48
○ 2026-05-11 23:04:02

○MXgmr-smtp-in.l.google.com2020-02-10 → 2020-02-10 · 3 obs

● 2020-02-10 23:02:06
○ 2026-04-19 04:44:48
○ 2026-05-11 23:04:02

●MXroute1.mx.cloudflare.net2026-04-19 → 2026-05-11 · 3 obs

○ 2020-02-10 23:02:06
● 2026-04-19 04:44:48
● 2026-05-11 23:04:02

●MXroute2.mx.cloudflare.net2026-04-19 → 2026-05-11 · 3 obs

○ 2020-02-10 23:02:06
● 2026-04-19 04:44:48
● 2026-05-11 23:04:02

●MXroute3.mx.cloudflare.net2026-04-19 → 2026-05-11 · 3 obs

○ 2020-02-10 23:02:06
● 2026-04-19 04:44:48
● 2026-05-11 23:04:02

○A104.18.50.1242020-02-10 → 2020-02-10 · 3 obs

● 2020-02-10 23:02:06
○ 2026-04-19 04:44:48
○ 2026-05-11 23:04:02

○A104.18.51.1242020-02-10 → 2020-02-10 · 3 obs

● 2020-02-10 23:02:06
○ 2026-04-19 04:44:48
○ 2026-05-11 23:04:02

●A104.21.44.492026-04-19 → 2026-05-11 · 3 obs

○ 2020-02-10 23:02:06
● 2026-04-19 04:44:48
● 2026-05-11 23:04:02

●A172.67.195.222026-04-19 → 2026-05-11 · 3 obs

○ 2020-02-10 23:02:06
● 2026-04-19 04:44:48
● 2026-05-11 23:04:02

○A2606:4700:3035::6812:327c2020-02-10 → 2020-02-10 · 3 obs

● 2020-02-10 23:02:06
○ 2026-04-19 04:44:48
○ 2026-05-11 23:04:02

○A2606:4700:3037::6812:337c2020-02-10 → 2020-02-10 · 3 obs

● 2020-02-10 23:02:06
○ 2026-04-19 04:44:48
○ 2026-05-11 23:04:02

●A2606:4700:3037::6815:2c312026-04-19 → 2026-05-11 · 3 obs

○ 2020-02-10 23:02:06
● 2026-04-19 04:44:48
● 2026-05-11 23:04:02

●A2606:4700:3037::ac43:c3162026-04-19 → 2026-05-11 · 3 obs

○ 2020-02-10 23:02:06
● 2026-04-19 04:44:48
● 2026-05-11 23:04:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...	-
contentshowcase.app	mary.ns.cloudflare.com, ken.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.127

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 881ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.44.49, 172.67.195.22`
AAAA	2	`2606:4700:3037::ac43:c316, 2606:4700:3037::6815:2c31`
NS	2	`ken.ns.cloudflare.com, mary.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 24), route1.mx.cloudflare.net (pri: 44)...`
TXT	4	`google-gws-recovery-domain-verification=, google-site-verification=a6HlctBhc0Tu-ae...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ken.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

contentshowcase.app points to four IP numbers: 2606:4700:3037::6815:2c31, 2606:4700:3037::ac43:c316, 104.21.44.49 and 172.67.195.22.

For instance, other host names cirruspasig.com, allegrolokalnie.offka84812.click, www.randomxtoken.pro, hugemouth.net and spreadsheet.se share IP numbers with contentshowcase.app.

Name Servers

contentshowcase.app is delegated to two name servers: ken.ns.cloudflare.com and mary.ns.cloudflare.com.

contentshowcase.app uses the same name server setup as other domains such as omnianightclub.com, qdiver.dk, bengalsseatingchart.com, ctso.io and sndev.co.uk.

contentshowcase.app shares name servers with other domains at least partially, for example raleighporcelainveneers.com, luno.host, frctllc.net, kosovarja.al and antalyamezat.com.

These name servers are commonly used with lisa.ns.cloudflare.com, ns1.colocrossing.com and ns2.colocrossing.com.

Host names with six IP numbers: host name ken.ns.cloudflare.com points to: 2606:4700:58::adf5:3b7f, 2803:f800:50::6ca2:c17f, 2a06:98c1:50::ac40:217f, 108.162.193.127, 172.64.33.127 and 173.245.59.127; host name mary.ns.cloudflare.com points to: 2606:4700:50::adf5:3a86, 2803:f800:50::6ca2:c086, 2a06:98c1:50::ac40:2086, 108.162.192.134, 172.64.32.134 and 173.245.58.134.

Mail Servers

contentshowcase.app is served by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

contentshowcase.app shares mail servers with other domains at least partially; for instance vegasluckcentral.us, play-dead.com, propnews.co.uk, incallgnito.com and mbalandscaping.ca.

Host names with six IP numbers:

route1.mx.cloudflare.net points to 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

route2.mx.cloudflare.net points to 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

route3.mx.cloudflare.net points to 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

contentshowcase.app - robtex.com