`icastu.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:8db9^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:92d^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.9.45^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.141.185^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`june.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ab0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`june.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`june.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`june.ns.cloudflare.com`
		A	108.162.192.176^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`june.ns.cloudflare.com`
		A	172.64.32.176^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`june.ns.cloudflare.com`
		A	173.245.58.176^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`june.ns.cloudflare.com`
NS	`vern.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vern.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vern.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vern.ns.cloudflare.com`
		A	108.162.193.243^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vern.ns.cloudflare.com`
		A	172.64.33.243^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vern.ns.cloudflare.com`
		A	173.245.59.243^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vern.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		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	`route3.mx.cloudflare.net`⁽²²⁾
		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	`route2.mx.cloudflare.net`⁽⁹⁴⁾
		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-site-verification=1Aq4usZlWStRr8oxg0Dg1Tb9fOVgx5oGLps_EV_KtkM`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.9.45, 172.67.141.185
		IPv6 hints	2606:4700:3031::ac43:8db9, 2606:4700:3037::6815:92d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=222, name=cloudflare-ech.com
SOA	`june.ns.cloudflare.com`dns@cloudflare.com serial=2406992321

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1784572472

Same first word

icastu.com

Similar names

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DNS History

21 records (9 active, 12 former)

●NSjune.ns.cloudflare.com2026-07-13 → 2026-07-20 · 3 obs

○ 2019-12-25 05:49:22
● 2026-07-13 10:39:02
● 2026-07-20 19:04:42

○NSns01.domaincontrol.com2015-07-22 → 2017-03-16 · 5 obs

○ 2007-11-03 21:47:46
● 2015-07-22 10:47:38
● 2017-03-16 04:06:06
○ 2019-12-25 05:49:22
○ 2026-07-20 19:04:42

○NSns02.domaincontrol.com2015-07-22 → 2017-03-16 · 5 obs

○ 2007-11-03 21:47:46
● 2015-07-22 10:47:38
● 2017-03-16 04:06:06
○ 2019-12-25 05:49:22
○ 2026-07-20 19:04:42

○NSns55.domaincontrol.com2007-11-03 → 2007-11-03 · 3 obs

● 2007-11-03 21:47:46
○ 2015-07-22 10:47:38
○ 2026-07-20 19:04:42

○NSns56.domaincontrol.com2007-11-03 → 2007-11-03 · 3 obs

● 2007-11-03 21:47:46
○ 2015-07-22 10:47:38
○ 2026-07-20 19:04:42

●NSvern.ns.cloudflare.com2026-07-13 → 2026-07-20 · 3 obs

○ 2019-12-25 05:49:22
● 2026-07-13 10:39:02
● 2026-07-20 19:04:42

○MXmailstore1.secureserver.net2015-07-22 → 2017-03-16 · 5 obs

○ 2007-11-03 21:47:46
● 2015-07-22 10:47:38
● 2017-03-16 04:06:06
○ 2019-12-25 05:49:22
○ 2026-07-20 19:04:42

●MXroute1.mx.cloudflare.net2026-07-13 → 2026-07-20 · 3 obs

○ 2019-12-25 05:49:22
● 2026-07-13 10:39:02
● 2026-07-20 19:04:42

●MXroute2.mx.cloudflare.net2026-07-13 → 2026-07-20 · 3 obs

○ 2019-12-25 05:49:22
● 2026-07-13 10:39:02
● 2026-07-20 19:04:42

●MXroute3.mx.cloudflare.net2026-07-13 → 2026-07-20 · 3 obs

○ 2019-12-25 05:49:22
● 2026-07-13 10:39:02
● 2026-07-20 19:04:42

○MXsmtp.secureserver.net2015-07-22 → 2017-03-16 · 5 obs

○ 2007-11-03 21:47:46
● 2015-07-22 10:47:38
● 2017-03-16 04:06:06
○ 2019-12-25 05:49:22
○ 2026-07-20 19:04:42

●A104.21.9.452026-07-16 → 2026-07-20 · 3 obs

○ 2026-07-13 10:39:02
● 2026-07-16 00:53:46
● 2026-07-20 19:04:42

●A172.67.141.1852026-07-16 → 2026-07-20 · 3 obs

○ 2026-07-13 10:39:02
● 2026-07-16 00:53:46
● 2026-07-20 19:04:42

○A184.168.221.452015-07-22 → 2017-03-16 · 5 obs

○ 2007-11-03 21:47:46
● 2015-07-22 10:47:38
● 2017-03-16 04:06:06
○ 2019-12-25 05:49:22
○ 2026-07-20 19:04:42

○A188.114.96.02026-07-13 → 2026-07-13 · 4 obs

○ 2019-12-25 05:49:22
● 2026-07-13 10:39:02
○ 2026-07-16 00:53:46
○ 2026-07-20 19:04:42

○A188.114.97.02026-07-13 → 2026-07-13 · 4 obs

○ 2019-12-25 05:49:22
● 2026-07-13 10:39:02
○ 2026-07-16 00:53:46
○ 2026-07-20 19:04:42

●A2606:4700:3031::ac43:8db92026-07-16 → 2026-07-20 · 3 obs

○ 2026-07-13 10:39:02
● 2026-07-16 00:53:46
● 2026-07-20 19:04:42

●A2606:4700:3037::6815:92d2026-07-16 → 2026-07-20 · 3 obs

○ 2026-07-13 10:39:02
● 2026-07-16 00:53:46
● 2026-07-20 19:04:42

○A2a06:98c1:3120::2026-07-13 → 2026-07-13 · 4 obs

○ 2019-12-25 05:49:22
● 2026-07-13 10:39:02
○ 2026-07-16 00:53:46
○ 2026-07-20 19:04:42

○A2a06:98c1:3121::2026-07-13 → 2026-07-13 · 4 obs

○ 2019-12-25 05:49:22
● 2026-07-13 10:39:02
○ 2026-07-16 00:53:46
○ 2026-07-20 19:04:42

○A65.173.88.1222007-11-03 → 2007-11-03 · 3 obs

● 2007-11-03 21:47:46
○ 2015-07-22 10:47:38
○ 2026-07-20 19:04:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
icastu.com	june.ns.cloudflare.com, vern.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.243

NS records: june.ns.cloudflare.com, vern.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for icastu.com (unsigned zone)

⏱️ Timing

Total: 252ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.9.45, 172.67.141.185`
AAAA	2	`2606:4700:3037::6815:92d, 2606:4700:3031::ac43:8db9`
NS	2	`june.ns.cloudflare.com, vern.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 22), route1.mx.cloudflare.net (pri: 6)...`
TXT	2	`google-site-verification=1Aq4usZlWStRr8o, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`june.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (june.ns.cloudflare.com, june.ns.cloudflare.com, june.ns.cloudflare.com...)

Analysis

IP Addresses

icastu.com points to the four IP addresses 104.21.9.45, 172.67.141.185, 2606:4700:3031::ac43:8db9 and 2606:4700:3037::6815:92d.

Additional host names — yukiuchidaclinic.com, austriabiogarantie.at, poland-embassy.gr and two others — share IP numbers with icastu.com.

Name Servers

icastu.com uses two name servers for its delegation: june.ns.cloudflare.com and vern.ns.cloudflare.com.

icastu.com shares its name server setup with other domains, including diamondswap.com, tipstrainingny.com, certifiedpiedmontesebeef.com and two others.

The name servers of icastu.com overlap at least partially with those of other domains — among them entisnet.hu, kzway.com, ytensvn.com and two more.

These name servers commonly appear alongside the name servers dom.ns.cloudflare.com and graham.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname june.ns.cloudflare.com directs to 108.162.192.176, 172.64.32.176 and 173.245.58.176 along with 3 other IP addresses.

Hostname vern.ns.cloudflare.com directs to 108.162.193.243, 172.64.33.243 and 173.245.59.243 along with 3 other IP addresses.

Mail Servers

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

icastu.com shares mail servers — at least in part — with other domains, including n-z.fr, luckyworldgames.com, lesmateriauxardennais.com and two others.

Host names with 6 IP numbers:

Hostname route1.mx.cloudflare.net directs to 162.159.205.11, 162.159.205.12 and 162.159.205.13 along with 3 other IP addresses.

Hostname route2.mx.cloudflare.net directs to 162.159.205.17, 162.159.205.18 and 162.159.205.19 along with 3 other IP addresses.

Hostname route3.mx.cloudflare.net directs to 162.159.205.23, 162.159.205.24 and 162.159.205.25 along with 3 other IP addresses.

icastu.com - robtex.com

icastu.com

com

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

Mail Servers

`icastu.com`

`com`