🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stack4u.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:553d^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:cb0a^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.85.61^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.203.10^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bonnie.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a4c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bonnie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c04c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bonnie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:204c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bonnie.ns.cloudflare.com`
		A	108.162.192.76^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bonnie.ns.cloudflare.com`
		A	172.64.32.76^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bonnie.ns.cloudflare.com`
		A	173.245.58.76^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bonnie.ns.cloudflare.com`
NS	`doug.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b9f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`doug.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`doug.ns.cloudflare.com`
		A	108.162.193.159^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	172.64.33.159^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	173.245.59.159^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.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	`route2.mx.cloudflare.net`⁽⁵⁷⁾
		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`⁽¹⁰⁰⁾
		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`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.85.61, 172.67.203.10
		IPv6 hints	2606:4700:3031::6815:553d, 2606:4700:3031::ac43:cb0a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=99, name=cloudflare-ech.com
SOA	`bonnie.ns.cloudflare.com`dns@cloudflare.com serial=2411939359

`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=1788959493

Same first word

stack4u.com

Similar names

4ustack.com

cutask4.s3-eu-west-1.amazonaws.com

Previous names

Next names

stack500.com

stack51.com

stack52.com

stack55.com

stack57.com

stack571.com

stack585.com

stack619.com

stack64.com

stack66.com

stack666.com

stack7.com

stack700.com

stack73.com

stack77.com

stack79.com

stack7tech.com

stack8.com

stack800.com

stack888.com

DNS History

29 records (9 active, 20 former)

●NSbonnie.ns.cloudflare.com2026-09-01 → 2026-09-09 · 3 obs

○ 2017-08-17 05:35:54
● 2026-09-01 14:08:18
● 2026-09-09 13:28:32

○NSdns17.ovh.net2017-08-17 → 2017-08-17 · 4 obs

○ 2016-12-01 23:58:06
● 2017-08-17 05:35:54
○ 2026-09-01 14:08:18
○ 2026-09-09 13:28:32

●NSdoug.ns.cloudflare.com2026-09-01 → 2026-09-09 · 3 obs

○ 2017-08-17 05:35:54
● 2026-09-01 14:08:18
● 2026-09-09 13:28:32

○NSns1.hostinger.in2015-05-29 → 2015-05-29 · 4 obs

○ 2008-03-15 18:19:14
● 2015-05-29 22:31:08
○ 2015-10-21 19:54:26
○ 2026-09-09 13:28:32

○NSns1.ipage.com2015-10-21 → 2016-03-22 · 5 obs

○ 2015-05-29 22:31:08
● 2015-10-21 19:54:26
● 2016-03-22 14:36:30
○ 2016-12-01 23:58:06
○ 2026-09-09 13:28:32

○NSns17.ovh.net2017-08-17 → 2017-08-17 · 4 obs

○ 2016-12-01 23:58:06
● 2017-08-17 05:35:54
○ 2026-09-01 14:08:18
○ 2026-09-09 13:28:32

○NSns2.hostinger.in2015-05-29 → 2015-05-29 · 4 obs

○ 2008-03-15 18:19:14
● 2015-05-29 22:31:08
○ 2015-10-21 19:54:26
○ 2026-09-09 13:28:32

○NSns2.ipage.com2015-10-21 → 2016-03-22 · 5 obs

○ 2015-05-29 22:31:08
● 2015-10-21 19:54:26
● 2016-03-22 14:36:30
○ 2016-12-01 23:58:06
○ 2026-09-09 13:28:32

○NSns23.domaincontrol.com2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 18:19:14
○ 2015-05-29 22:31:08
○ 2026-09-09 13:28:32

○NSns24.domaincontrol.com2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 18:19:14
○ 2015-05-29 22:31:08
○ 2026-09-09 13:28:32

○NSns3.hostinger.in2015-05-29 → 2015-05-29 · 4 obs

○ 2008-03-15 18:19:14
● 2015-05-29 22:31:08
○ 2015-10-21 19:54:26
○ 2026-09-09 13:28:32

○NSns4.hostinger.in2015-05-29 → 2015-05-29 · 4 obs

○ 2008-03-15 18:19:14
● 2015-05-29 22:31:08
○ 2015-10-21 19:54:26
○ 2026-09-09 13:28:32

○MXmailstore1.secureserver.net2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 18:19:14
○ 2015-05-29 22:31:08
○ 2026-09-09 13:28:32

○MXmx.stack4u.com2015-10-21 → 2016-03-22 · 5 obs

○ 2015-05-29 22:31:08
● 2015-10-21 19:54:26
● 2016-03-22 14:36:30
○ 2016-12-01 23:58:06
○ 2026-09-09 13:28:32

○MXmx1.hostinger.in2015-05-29 → 2015-05-29 · 4 obs

○ 2008-03-15 18:19:14
● 2015-05-29 22:31:08
○ 2015-10-21 19:54:26
○ 2026-09-09 13:28:32

○MXredirect.ovh.net2017-08-17 → 2017-08-17 · 4 obs

○ 2016-12-01 23:58:06
● 2017-08-17 05:35:54
○ 2026-09-01 14:08:18
○ 2026-09-09 13:28:32

●MXroute1.mx.cloudflare.net2026-09-01 → 2026-09-09 · 3 obs

○ 2017-08-17 05:35:54
● 2026-09-01 14:08:18
● 2026-09-09 13:28:32

●MXroute2.mx.cloudflare.net2026-09-01 → 2026-09-09 · 3 obs

○ 2017-08-17 05:35:54
● 2026-09-01 14:08:18
● 2026-09-09 13:28:32

●MXroute3.mx.cloudflare.net2026-09-01 → 2026-09-09 · 3 obs

○ 2017-08-17 05:35:54
● 2026-09-01 14:08:18
● 2026-09-09 13:28:32

○MXsmtp.secureserver.net2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 18:19:14
○ 2015-05-29 22:31:08
○ 2026-09-09 13:28:32

●A104.21.85.612026-09-01 → 2026-09-09 · 3 obs

○ 2017-08-17 05:35:54
● 2026-09-01 14:08:18
● 2026-09-09 13:28:32

●A172.67.203.102026-09-01 → 2026-09-09 · 3 obs

○ 2017-08-17 05:35:54
● 2026-09-01 14:08:18
● 2026-09-09 13:28:32

●A2606:4700:3031::6815:553d2026-09-01 → 2026-09-09 · 3 obs

○ 2017-08-17 05:35:54
● 2026-09-01 14:08:18
● 2026-09-09 13:28:32

●A2606:4700:3031::ac43:cb0a2026-09-01 → 2026-09-09 · 3 obs

○ 2017-08-17 05:35:54
● 2026-09-01 14:08:18
● 2026-09-09 13:28:32

○A31.170.165.392015-05-29 → 2015-05-29 · 4 obs

○ 2008-03-15 18:19:14
● 2015-05-29 22:31:08
○ 2015-10-21 19:54:26
○ 2026-09-09 13:28:32

○A66.96.147.1442015-10-21 → 2015-12-23 · 5 obs

○ 2015-05-29 22:31:08
● 2015-10-21 19:54:26
● 2015-12-23 07:46:08
○ 2016-03-22 14:36:30
○ 2026-09-09 13:28:32

○A66.96.149.322016-03-22 → 2016-03-22 · 4 obs

○ 2015-12-23 07:46:08
● 2016-03-22 14:36:30
○ 2016-12-01 23:58:06
○ 2026-09-09 13:28:32

○A68.178.232.1002008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 18:19:14
○ 2015-05-29 22:31:08
○ 2026-09-09 13:28:32

○A87.98.239.52017-08-17 → 2017-08-17 · 4 obs

○ 2016-12-01 23:58:06
● 2017-08-17 05:35:54
○ 2026-09-01 14:08:18
○ 2026-09-09 13:28:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
stack4u.com	bonnie.ns.cloudflare.com, doug.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:173.245.58.76

NS records: bonnie.ns.cloudflare.com, doug.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stack4u.com (unsigned zone)

⏱️ Timing

Total: 273ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.203.10, 104.21.85.61`
AAAA	2	`2606:4700:3031::6815:553d, 2606:4700:3031::ac43:cb0a`
NS	2	`bonnie.ns.cloudflare.com, doug.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 100), route1.mx.cloudflare.net (pri: 35)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bonnie.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

stack4u.com resolves to four IP addresses: 104.21.85.61, 172.67.203.10, 2606:4700:3031::6815:553d and 2606:4700:3031::ac43:cb0a.

mail.eaktobe.kz, webority.marketing, mie.gg and two other host names share IP numbers with stack4u.com.

Name Servers

The NS records for stack4u.com delegate to bonnie.ns.cloudflare.com and doug.ns.cloudflare.com.

stack4u.com uses the same name servers as several other domains — among them sepehr-sharifi00.workers.dev, lacrost-ruedulac.workers.dev, all-die.pages.dev and two more.

stack4u.com shares at least some of its name servers with other domains, including 730wadkmezwoex8i0.workers.dev, conposting.com, naderomrani.ly and two others.

These name servers are frequently seen alongside the name servers matt.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

bonnie.ns.cloudflare.com maps to 108.162.192.76, 172.64.32.76, 173.245.58.76 and 3 additional IP addresses.

doug.ns.cloudflare.com maps to 108.162.193.159, 172.64.33.159, 173.245.59.159 and 3 additional IP addresses.

Mail Servers

stack4u.com is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

stack4u.com has at least partial mail server overlap with other domains such as thebookoflife.co.uk, teara.io, shysprout.com and two more.

Hostnames that resolve to 6 IP addresses:

route1.mx.cloudflare.net maps to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 additional IP addresses.

route2.mx.cloudflare.net maps to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 additional IP addresses.

route3.mx.cloudflare.net maps to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 additional IP addresses.

stack4u.com - robtex.com

stack4u.com

com

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`stack4u.com`

`com`