guardstack.de - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`guardstack.de`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:2909^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9ed5^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.41.9^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.158.213^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`casey.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c9e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`casey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c39e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`casey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:239e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`casey.ns.cloudflare.com`
		A	108.162.195.158^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`casey.ns.cloudflare.com`
		A	162.159.44.158^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`casey.ns.cloudflare.com`
		A	172.64.35.158^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`casey.ns.cloudflare.com`
NS	`sandra.ns.cloudflare.com`
		A	2606:4700:50::a29f:2622^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandra.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c222^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sandra.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2222^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sandra.ns.cloudflare.com`
		A	108.162.194.34^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandra.ns.cloudflare.com`
		A	162.159.38.34^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandra.ns.cloudflare.com`
		A	172.64.34.34^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandra.ns.cloudflare.com`
MX	`guardstack-de.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca27::^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-beup281cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr5p281cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::1^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr4p281cu03101.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::2^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr6p281cu00202.inbound.protection.outlook.com`
		A	52.101.168.0^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-beup281cu00100.inbound.protection.outlook.com`
		A	52.101.170.0^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr5p281cu00500.inbound.protection.outlook.com`
		A	52.101.170.1^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr4p281cu03101.inbound.protection.outlook.com`
		A	52.101.170.2^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr6p281cu00202.inbound.protection.outlook.com`
TXT	`MS=ms73147498`
TXT	`MS=ms91472241`
TXT	`google-site-verification=urp_L5pR5DeRZB06FENYCRESVHjJmBRoWYUG43lLm2Q`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.41.9, 172.67.158.213
		IPv6 hints	2606:4700:3034::6815:2909, 2606:4700:3037::ac43:9ed5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=44, name=cloudflare-ech.com
SOA	`casey.ns.cloudflare.com`dns@cloudflare.com serial=2413191536

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1790093090

Same first word

guardstack.click

guardstack.de

guardstack.app

guardstack.io

guardstack.dev

guardstack.net

guardstack.com

Similar names

stackguard.us

stackguard.org

stackguard.com.au

stackguard.tech

stackguard.net

stackguard.dk

stackguard.io

stackguard.de

stackguard.com.br

dagatrucks.com

stackguard.top

Previous names

Next names

DNS History

13 records (7 active, 6 former)

●NScasey.ns.cloudflare.com2026-09-04 → 2026-09-22 · 2 obs

● 2026-09-04 02:20:28
● 2026-09-22 16:20:04

●NSsandra.ns.cloudflare.com2026-09-04 → 2026-09-22 · 2 obs

● 2026-09-04 02:20:28
● 2026-09-22 16:20:04

●MXguardstack-de.mail.protection.outlook.com2026-09-04 → 2026-09-22 · 2 obs

● 2026-09-04 02:20:28
● 2026-09-22 16:20:04

●A104.21.41.92026-09-05 → 2026-09-22 · 7 obs

○ 2026-09-04 02:20:28
● 2026-09-05 00:06:56
○ 2026-09-07 03:45:06
● 2026-09-17 10:13:52
○ 2026-09-19 03:54:00
● 2026-09-22 16:20:00
● 2026-09-22 16:20:04

●A172.67.158.2132026-09-05 → 2026-09-22 · 7 obs

○ 2026-09-04 02:20:28
● 2026-09-05 00:06:56
○ 2026-09-07 03:45:06
● 2026-09-17 10:13:52
○ 2026-09-19 03:54:00
● 2026-09-22 16:20:00
● 2026-09-22 16:20:04

○A188.114.96.02026-09-04 → 2026-09-19 · 7 obs

● 2026-09-04 02:20:28
○ 2026-09-05 00:06:56
● 2026-09-07 03:45:06
○ 2026-09-17 10:13:52
● 2026-09-19 03:54:00
○ 2026-09-22 16:20:00
○ 2026-09-22 16:20:04

○A188.114.97.02026-09-04 → 2026-09-19 · 7 obs

● 2026-09-04 02:20:28
○ 2026-09-05 00:06:56
● 2026-09-07 03:45:06
○ 2026-09-17 10:13:52
● 2026-09-19 03:54:00
○ 2026-09-22 16:20:00
○ 2026-09-22 16:20:04

●A2606:4700:3034::6815:29092026-09-05 → 2026-09-22 · 7 obs

○ 2026-09-04 02:20:28
● 2026-09-05 00:06:56
○ 2026-09-07 03:45:06
● 2026-09-17 10:13:52
○ 2026-09-19 03:54:00
● 2026-09-22 16:20:00
● 2026-09-22 16:20:04

●A2606:4700:3037::ac43:9ed52026-09-05 → 2026-09-22 · 7 obs

○ 2026-09-04 02:20:28
● 2026-09-05 00:06:56
○ 2026-09-07 03:45:06
● 2026-09-17 10:13:52
○ 2026-09-19 03:54:00
● 2026-09-22 16:20:00
● 2026-09-22 16:20:04

○A2a06:98c1:3120::2026-09-04 → 2026-09-07 · 5 obs

● 2026-09-04 02:20:28
○ 2026-09-05 00:06:56
● 2026-09-07 03:45:06
○ 2026-09-17 10:13:52
○ 2026-09-22 16:20:04

○A2a06:98c1:3120::42026-09-19 → 2026-09-19 · 4 obs

○ 2026-09-17 10:13:52
● 2026-09-19 03:54:00
○ 2026-09-22 16:20:00
○ 2026-09-22 16:20:04

○A2a06:98c1:3121::2026-09-04 → 2026-09-07 · 5 obs

● 2026-09-04 02:20:28
○ 2026-09-05 00:06:56
● 2026-09-07 03:45:06
○ 2026-09-17 10:13:52
○ 2026-09-22 16:20:04

○A2a06:98c1:3121::42026-09-19 → 2026-09-19 · 4 obs

○ 2026-09-17 10:13:52
● 2026-09-19 03:54:00
○ 2026-09-22 16:20:00
○ 2026-09-22 16:20:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	z.nic.de, f.nic.de, a.nic.de	-
guardstack.de	casey.ns.cloudflare.com, sandra.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.158

NS records: casey.ns.cloudflare.com, sandra.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for guardstack.de (unsigned zone)

⏱️ Timing

Total: 934ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.41.9, 172.67.158.213`
AAAA	2	`2606:4700:3037::ac43:9ed5, 2606:4700:3034::6815:2909`
NS	2	`casey.ns.cloudflare.com, sandra.ns.cloudflare.com`
MX	1	`guardstack-de.mail.protection.outlook.co`
TXT	4	`MS=ms73147498, MS=ms91472241...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`casey.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

guardstack.de resolves to four IP addresses: 104.21.41.9, 172.67.158.213, 2606:4700:3034::6815:2909 and 2606:4700:3037::ac43:9ed5.

Additional host names — cdn.idrlabs.com, mattmccusker.uk, pintrop.in and two others — share IP numbers with guardstack.de.

Name Servers

The NS records for guardstack.de delegate to casey.ns.cloudflare.com and sandra.ns.cloudflare.com.

guardstack.de shares its name server setup with other domains, including oriensconsultoria.com.br, childlink.cc, s-marta-lexander.workers.dev and two others.

guardstack.de shares at least some of its name servers with other domains, including website-27-dream-tkd-nj.pages.dev, dollarsuccess280.pages.dev, chenyuhang.pages.dev and two others.

These name servers are frequently paired with the name servers cleo.ns.cloudflare.com and kim.ns.cloudflare.com.

Host names with 6 IP numbers:

casey.ns.cloudflare.com maps to 108.162.195.158, 162.159.44.158, 172.64.35.158 and 3 additional IP addresses.

sandra.ns.cloudflare.com maps to 108.162.194.34, 162.159.38.34, 172.64.34.34 and 3 additional IP addresses.

Mail Servers

guardstack.de has one mail server: guardstack-de.mail.protection.outlook.com.

guardstack-de.mail.protection.outlook.com points to 8 IP numbers: 52.101.168.0, 52.101.170.0, 52.101.170.1 and 5 other.