`tryknock.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:89bb^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:365f^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.54.95^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.137.187^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`felicity.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cd4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felicity.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3d4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`felicity.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23d4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`felicity.ns.cloudflare.com`
		A	108.162.195.212^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felicity.ns.cloudflare.com`
		A	162.159.44.212^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felicity.ns.cloudflare.com`
		A	172.64.35.212^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felicity.ns.cloudflare.com`
NS	`veda.ns.cloudflare.com`
		A	2606:4700:50::a29f:2693^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`veda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c293^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`veda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2293^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`veda.ns.cloudflare.com`
		A	108.162.194.147^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`veda.ns.cloudflare.com`
		A	162.159.38.147^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`veda.ns.cloudflare.com`
		A	172.64.34.147^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`veda.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		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`
MX	`route3.mx.cloudflare.net`⁽³⁷⁾
		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`⁽⁶²⁾
		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`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.54.95, 172.67.137.187
		IPv6 hints	2606:4700:3031::ac43:89bb, 2606:4700:3033::6815:365f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=101, name=cloudflare-ech.com
SOA	`felicity.ns.cloudflare.com`dns@cloudflare.com serial=2410448981

`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

tryknock.app

DNS History

18 records (9 active, 9 former)

○NSaudrey.ns.cloudflare.com2026-05-28 → 2026-05-28 · 3 obs

● 2026-05-28 11:39:58
○ 2026-08-01 12:21:00
○ 2026-08-04 15:50:50

●NSfelicity.ns.cloudflare.com2026-08-01 → 2026-08-04 · 3 obs

○ 2026-05-28 11:39:58
● 2026-08-01 12:21:00
● 2026-08-04 15:50:50

●NSveda.ns.cloudflare.com2026-08-01 → 2026-08-04 · 3 obs

○ 2026-05-28 11:39:58
● 2026-08-01 12:21:00
● 2026-08-04 15:50:50

○NSyadiel.ns.cloudflare.com2026-05-28 → 2026-05-28 · 3 obs

● 2026-05-28 11:39:58
○ 2026-08-01 12:21:00
○ 2026-08-04 15:50:50

●MXroute1.mx.cloudflare.net2026-05-28 → 2026-08-04 · 2 obs

● 2026-05-28 11:39:58
● 2026-08-04 15:50:50

●MXroute2.mx.cloudflare.net2026-05-28 → 2026-08-04 · 2 obs

● 2026-05-28 11:39:58
● 2026-08-04 15:50:50

●MXroute3.mx.cloudflare.net2026-05-28 → 2026-08-04 · 2 obs

● 2026-05-28 11:39:58
● 2026-08-04 15:50:50

●A104.21.54.952026-08-03 → 2026-08-04 · 3 obs

○ 2026-08-01 14:10:26
● 2026-08-03 11:40:42
● 2026-08-04 15:50:50

●A172.67.137.1872026-08-03 → 2026-08-04 · 3 obs

○ 2026-08-01 14:10:26
● 2026-08-03 11:40:42
● 2026-08-04 15:50:50

○A188.114.96.42026-08-01 → 2026-08-01 · 4 obs

○ 2026-05-28 11:39:58
● 2026-08-01 12:21:00
○ 2026-08-03 11:40:42
○ 2026-08-04 15:50:50

○A188.114.97.42026-08-01 → 2026-08-01 · 4 obs

○ 2026-05-28 11:39:58
● 2026-08-01 12:21:00
○ 2026-08-03 11:40:42
○ 2026-08-04 15:50:50

●A2606:4700:3031::ac43:89bb2026-08-03 → 2026-08-04 · 3 obs

○ 2026-08-01 14:10:26
● 2026-08-03 11:40:42
● 2026-08-04 15:50:50

●A2606:4700:3033::6815:365f2026-08-03 → 2026-08-04 · 3 obs

○ 2026-08-01 14:10:26
● 2026-08-03 11:40:42
● 2026-08-04 15:50:50

○A2a06:98c1:3120::2026-08-01 → 2026-08-01 · 4 obs

○ 2026-05-28 11:39:58
● 2026-08-01 12:21:00
○ 2026-08-01 14:10:26
○ 2026-08-04 15:50:50

○A2a06:98c1:3120::42026-08-01 → 2026-08-01 · 4 obs

○ 2026-08-01 12:21:00
● 2026-08-01 14:10:26
○ 2026-08-03 11:40:42
○ 2026-08-04 15:50:50

○A2a06:98c1:3121::2026-08-01 → 2026-08-01 · 4 obs

○ 2026-05-28 11:39:58
● 2026-08-01 12:21:00
○ 2026-08-01 14:10:26
○ 2026-08-04 15:50:50

○A2a06:98c1:3121::42026-08-01 → 2026-08-01 · 4 obs

○ 2026-08-01 12:21:00
● 2026-08-01 14:10:26
○ 2026-08-03 11:40:42
○ 2026-08-04 15:50:50

○A76.76.21.212026-05-28 → 2026-05-28 · 3 obs

● 2026-05-28 11:39:58
○ 2026-08-01 12:21:00
○ 2026-08-04 15:50:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...	-
tryknock.app	veda.ns.cloudflare.com, felicity.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.147

NS records: veda.ns.cloudflare.com, felicity.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tryknock.app (unsigned zone)

⏱️ Timing

Total: 854ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.137.187, 104.21.54.95`
AAAA	2	`2606:4700:3033::6815:365f, 2606:4700:3031::ac43:89bb`
NS	2	`felicity.ns.cloudflare.com, veda.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 27), route3.mx.cloudflare.net (pri: 37)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`felicity.ns.cloudflare.com dns.cloudflar`

Analysis

IP Addresses

tryknock.app directs to four IP numbers, which are 104.21.54.95, 172.67.137.187, 2606:4700:3031::ac43:89bb and 2606:4700:3033::6815:365f.

Two other host names, along with cflet.org, friedmanlawoffices.com and meds-express.com, also share IP numbers with tryknock.app.

Name Servers

tryknock.app is served by two delegated name servers, felicity.ns.cloudflare.com and veda.ns.cloudflare.com.

tryknock.app shares its NS records with other domains, for example rekl.pro, ufa77k.com, bubago.co and two others.

The name servers of tryknock.app overlap at least partially with those of other domains — among them bookacsofficecleaning.co.uk, rivieramayatrips.com, intern3t.net and two more.

These name servers commonly appear alongside the name servers ganz.ns.cloudflare.com and cleo.ns.cloudflare.com.

DNS names with 6 IP addresses:

felicity.ns.cloudflare.com carries IP addresses 108.162.195.212, 162.159.44.212 and 172.64.35.212, with 3 other addresses beyond those.

veda.ns.cloudflare.com carries IP addresses 108.162.194.147, 162.159.38.147 and 172.64.34.147, with 3 other addresses beyond those.

Mail Servers

Mail for tryknock.app is routed through three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

There is at least a partial MX overlap between tryknock.app and other domains, including doctorperu.com, redracercasino.bet, c-e1.com and two others.

DNS names with 6 IP addresses:

route1.mx.cloudflare.net carries IP addresses 162.159.205.11, 162.159.205.12 and 162.159.205.13, with 3 other addresses beyond those.

route2.mx.cloudflare.net carries IP addresses 162.159.205.17, 162.159.205.18 and 162.159.205.19, with 3 other addresses beyond those.

route3.mx.cloudflare.net carries IP addresses 162.159.205.23, 162.159.205.24 and 162.159.205.25, with 3 other addresses beyond those.

tryknock.app - robtex.com

tryknock.app

app

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`tryknock.app`

`app`