stack4u.com - dns.ninja

🛡️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=33, 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=1789228613

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

stack54.com

stack55.com

stack57.com

stack571.com

stack571burger.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

DNS History

29 records (9 active, 20 former)

●NSbonnie.ns.cloudflare.com2026-09-01 → 2026-09-12 · 3 obs

○ 2017-08-17 05:35:54
● 2026-09-01 14:08:18
● 2026-09-12 16:10:16

○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
○ 2026-09-12 16:10:16

●NSdoug.ns.cloudflare.com2026-09-01 → 2026-09-12 · 3 obs

○ 2017-08-17 05:35:54
● 2026-09-01 14:08:18
● 2026-09-12 16:10:16

○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
○ 2026-09-12 16:10:16

○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
○ 2026-09-12 16:10:16

○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
○ 2026-09-12 16:10:16

○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
○ 2026-09-12 16:10:16

○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
○ 2026-09-12 16:10:16

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

● 2008-03-15 18:19:14
○ 2015-05-29 22:31:08
○ 2026-09-12 16:10:16

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

● 2008-03-15 18:19:14
○ 2015-05-29 22:31:08
○ 2026-09-12 16:10:16

○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
○ 2026-09-12 16:10:16

○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
○ 2026-09-12 16:10:16

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

● 2008-03-15 18:19:14
○ 2015-05-29 22:31:08
○ 2026-09-12 16:10:16

○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
○ 2026-09-12 16:10:16

○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
○ 2026-09-12 16:10:16

○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
○ 2026-09-12 16:10:16

●MXroute1.mx.cloudflare.net2026-09-01 → 2026-09-12 · 3 obs

○ 2017-08-17 05:35:54
● 2026-09-01 14:08:18
● 2026-09-12 16:10:16

●MXroute2.mx.cloudflare.net2026-09-01 → 2026-09-12 · 3 obs

○ 2017-08-17 05:35:54
● 2026-09-01 14:08:18
● 2026-09-12 16:10:16

●MXroute3.mx.cloudflare.net2026-09-01 → 2026-09-12 · 3 obs

○ 2017-08-17 05:35:54
● 2026-09-01 14:08:18
● 2026-09-12 16:10:16

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

● 2008-03-15 18:19:14
○ 2015-05-29 22:31:08
○ 2026-09-12 16:10:16

●A104.21.85.612026-09-01 → 2026-09-12 · 3 obs

○ 2017-08-17 05:35:54
● 2026-09-01 14:08:18
● 2026-09-12 16:10:16

●A172.67.203.102026-09-01 → 2026-09-12 · 3 obs

○ 2017-08-17 05:35:54
● 2026-09-01 14:08:18
● 2026-09-12 16:10:16

●A2606:4700:3031::6815:553d2026-09-01 → 2026-09-12 · 3 obs

○ 2017-08-17 05:35:54
● 2026-09-01 14:08:18
● 2026-09-12 16:10:16

●A2606:4700:3031::ac43:cb0a2026-09-01 → 2026-09-12 · 3 obs

○ 2017-08-17 05:35:54
● 2026-09-01 14:08:18
● 2026-09-12 16:10:16

○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
○ 2026-09-12 16:10:16

○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
○ 2026-09-12 16:10:16

○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
○ 2026-09-12 16:10:16

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

● 2008-03-15 18:19:14
○ 2015-05-29 22:31:08
○ 2026-09-12 16:10:16

○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
○ 2026-09-12 16:10:16

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:108.162.193.159

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: 2193ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.203.10, 104.21.85.61`
AAAA	2	`2606:4700:3031::ac43:cb0a, 2606:4700:3031::6815:553d`
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 has four IP addresses: 104.21.85.61, 172.67.203.10, 2606:4700:3031::6815:553d and 2606:4700:3031::ac43:cb0a.

Among the host names that share IP numbers with stack4u.com are mail.eaktobe.kz, webority.marketing, mie.gg and two others.

Name Servers

stack4u.com has two authoritative name servers — bonnie.ns.cloudflare.com and doug.ns.cloudflare.com.

stack4u.com has the same name server delegation as a number of other domains, such as sepehr-sharifi00.workers.dev, lacrost-ruedulac.workers.dev, all-die.pages.dev and two more.

stack4u.com partially shares its NS delegation with several other domains, including 730wadkmezwoex8i0.workers.dev, conposting.com, naderomrani.ly and two others.

These name servers often co-occur with the name servers matt.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

bonnie.ns.cloudflare.com points to 108.162.192.76, 172.64.32.76, 173.245.58.76 and 3 other IP addresses.

doug.ns.cloudflare.com points to 108.162.193.159, 172.64.33.159, 173.245.59.159 and 3 other IP addresses.

Mail Servers

stack4u.com uses three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

stack4u.com shares at least some of its mail servers with other domains — for example thebookoflife.co.uk, teara.io, shysprout.com and two more.

Host names resolving to 6 IP numbers:

route1.mx.cloudflare.net points to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net points to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net points to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.