guardstack.de - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

guardstack.de

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:2909🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:9ed5🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.41.9Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.158.213🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScasey.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c9e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcasey.ns.cloudflare.com
A2803:f800:50::6ca2:c39e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcasey.ns.cloudflare.com
A2a06:98c1:50::ac40:239e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcasey.ns.cloudflare.com
A108.162.195.158🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcasey.ns.cloudflare.com
A162.159.44.158Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcasey.ns.cloudflare.com
A172.64.35.158🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcasey.ns.cloudflare.com
NSsandra.ns.cloudflare.com
A2606:4700:50::a29f:2622🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsandra.ns.cloudflare.com
A2803:f800:50::6ca2:c222🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsandra.ns.cloudflare.com
A2a06:98c1:50::ac40:2222🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsandra.ns.cloudflare.com
A108.162.194.34🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsandra.ns.cloudflare.com
A162.159.38.34Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsandra.ns.cloudflare.com
A172.64.34.34🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsandra.ns.cloudflare.com
MXguardstack-de.mail.protection.outlook.com ⭐
A2a01:111:f403:ca27::🇩🇪 Microsoft2a01:111:f000::/36
PTRmail-beup281cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca2d::🇩🇪 Microsoft2a01:111:f000::/36
PTRmail-fr5p281cu00500.inbound.protection.outlook.com
A2a01:111:f403:ca2d::1🇩🇪 Microsoft2a01:111:f000::/36
PTRmail-fr4p281cu03101.inbound.protection.outlook.com
A2a01:111:f403:ca2d::2🇩🇪 Microsoft2a01:111:f000::/36
PTRmail-fr6p281cu00202.inbound.protection.outlook.com
A52.101.168.0🇩🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-beup281cu00100.inbound.protection.outlook.com
A52.101.170.0🇩🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-fr5p281cu00500.inbound.protection.outlook.com
A52.101.170.1🇩🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-fr4p281cu03101.inbound.protection.outlook.com
A52.101.170.2🇩🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-fr6p281cu00202.inbound.protection.outlook.com
TXTMS=ms73147498
TXTMS=ms91472241
TXTgoogle-site-verification=urp_L5pR5DeRZB06FENYCRESVHjJmBRoWYUG43lLm2Q
TXTv=spf1 include:spf.protection.outlook.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.41.9, 172.67.158.213
IPv6 hints2606:4700:3034::6815:2909, 2606:4700:3037::ac43:9ed5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=0, name=cloudflare-ech.com
SOAcasey.ns.cloudflare.comdns@cloudflare.com serial=2413191536

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1788566420

Same first word

guardstack.click
guardstack.de
guardstack.io
guardstack.net
guardstack.com

Similar names

stackguard.us
stackguard.org
stackguard.io
stackguard.de
stackguard.top

Previous names

guardo.de
guardone.de
guardops.de
guardport.de
guardrail.de
guardroid.de
guardroutellc.de
guards-of-phoenix.de
guards.de
guards24.de
guards4u.de
guardscan.de
guardscout.de
guardsecura.de
guardserv.de
guardsman.de
guardsmarkinc.de

Next names

guardsystems.de
guardtec.de
guardtechnology.de
guardtools.de
guardtrack.de
guardtrain.de
guardus-mes.de
guardus.de
guardwatch.de
guardway.de
guardwebsolutions.de
guardwell.de
guardx.de
guaredisch.de
guarforum.de
guarida.de
guaridakoblenz.de
guarin.de

DNS History

11 records (7 active, 4 former)

NScasey.ns.cloudflare.comsandra.ns.cloudflare.comMXguardstack-de.mail.protection.outlook.comA104.21.41.9172.67.158.2132606:4700:3034::6815:29092606:4700:3037::ac43:9ed5188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NScasey.ns.cloudflare.com2026-09-04 → 2026-09-05 · 2 obs
● 2026-09-04 02:20:28
● 2026-09-05 00:06:58
●NSsandra.ns.cloudflare.com2026-09-04 → 2026-09-05 · 2 obs
● 2026-09-04 02:20:28
● 2026-09-05 00:06:58
●MXguardstack-de.mail.protection.outlook.com2026-09-04 → 2026-09-05 · 2 obs
● 2026-09-04 02:20:28
● 2026-09-05 00:06:58
●A104.21.41.92026-09-05 → 2026-09-05 · 3 obs
○ 2026-09-04 02:20:28
● 2026-09-05 00:06:56
● 2026-09-05 00:06:58
●A172.67.158.2132026-09-05 → 2026-09-05 · 3 obs
○ 2026-09-04 02:20:28
● 2026-09-05 00:06:56
● 2026-09-05 00:06:58
○A188.114.96.02026-09-04 → 2026-09-04 · 3 obs
● 2026-09-04 02:20:28
○ 2026-09-05 00:06:56
○ 2026-09-05 00:06:58
○A188.114.97.02026-09-04 → 2026-09-04 · 3 obs
● 2026-09-04 02:20:28
○ 2026-09-05 00:06:56
○ 2026-09-05 00:06:58
●A2606:4700:3034::6815:29092026-09-05 → 2026-09-05 · 3 obs
○ 2026-09-04 02:20:28
● 2026-09-05 00:06:56
● 2026-09-05 00:06:58
●A2606:4700:3037::ac43:9ed52026-09-05 → 2026-09-05 · 3 obs
○ 2026-09-04 02:20:28
● 2026-09-05 00:06:56
● 2026-09-05 00:06:58
○A2a06:98c1:3120::2026-09-04 → 2026-09-04 · 3 obs
● 2026-09-04 02:20:28
○ 2026-09-05 00:06:56
○ 2026-09-05 00:06:58
○A2a06:98c1:3121::2026-09-04 → 2026-09-04 · 3 obs
● 2026-09-04 02:20:28
○ 2026-09-05 00:06:56
○ 2026-09-05 00:06:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
guardstack.desandra.ns.cloudflare.com, casey.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.158

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for guardstack.de (unsigned zone)

⏱️ Timing

Total: 763ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.41.9, 172.67.158.213
AAAA22606:4700:3037::ac43:9ed5, 2606:4700:3034::6815:2909
NS2casey.ns.cloudflare.com, sandra.ns.cloudflare.com
MX1guardstack-de.mail.protection.outlook.co
TXT4MS=ms73147498, MS=ms91472241...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1casey.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

guardstack.de directs to four IP numbers, which are 104.21.41.9, 172.67.158.213, 2606:4700:3034::6815:2909 and 2606:4700:3037::ac43:9ed5.

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

Name Servers

guardstack.de has two authoritative name servers — casey.ns.cloudflare.com and sandra.ns.cloudflare.com.

guardstack.de uses the same name servers as several other domains — among them oriensconsultoria.com.br, childlink.cc, whiteprintnews.com and two more.

At least some of guardstack.de's name servers are shared with other domains, for example dollarsuccess280.pages.dev, chenyuhang.pages.dev, 4999be.click and two more.

These name servers tend to be deployed in combination with the name servers cleo.ns.cloudflare.com and kim.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

casey.ns.cloudflare.com points to 108.162.195.158, 162.159.44.158, 172.64.35.158 and 3 other IP addresses.

sandra.ns.cloudflare.com points to 108.162.194.34, 162.159.38.34, 172.64.34.34 and 3 other IP addresses.

Mail Servers

Mail for guardstack.de is handled by a single mail server, guardstack-de.mail.protection.outlook.com.

guardstack-de.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.168.0, 52.101.170.0, 52.101.170.1 and 5 others.