coolstack.app - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

coolstack.app

DNSSEC⚠️ Not signed
A2a02:a40:31c:200::88🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s.
A212.158.139.88🇨🇿 BlueTone-AS212.158.128.0/19 BlueTone-CRa-CZ First address block
NSns1.actve.net ⭐
A2a02:a40:31c:200::53🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s.
PTRns1.actve.net
A212.158.139.53🇨🇿 BlueTone-AS212.158.128.0/19 BlueTone-CRa-CZ First address block
PTRns1.actve.net
NSns2.actve.net
A2a01:4f8:c17:e668::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns2.actve.net
A168.119.56.143🇩🇪 Hetzner168.119.0.0/16 HETZNER-DC
PTRns2.actve.net
SOAns1.actve.nethostmaster@actve.net serial=1793784381

app

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427
🔒 HSTS Preload (+subdomains)

Same first word

coolstack.tech
coolstack.dev
coolstack.io
coolstack.com
coolstack.app
coolstack.blogspot.com
coolstack.cloud

Similar names

colostack.com
alcostock.ee
stackcool.com
stockcoal.xyz
stackcool.online
colostack.net
lostockac.co.uk
coastlock.com
alcostock.ru
stockcoal.top
locastock.com
stockcola.com
locastock.fr
alcostock.net
coalstock.xyz
colostack.dev
coalstock.com
alcostock.com
alcostock.site
cocotalks.com
locostack.com

Previous names

coolschool.app
coolschooltool.app
coolseo.app
coolshare.app
cool(0x73686974).app
coolshiz.app
coolshopkb.app
coolshort.app
coolshots.app
coolshotsystems.app
coolshow.app
coolsht.app
coolsite.app
coolsiting.app
coolsix.app
coolsku.app
coolsnail.app
coolspend.app
coolspins.app
coolspots.app

Next names

coolstar.app
coolstart.app
coolstock.app
coolstory.app
coolstreet.app
coolstudio.app
coolstuff.app
coolsudoku.app
coolsurveys.app
coolsy.app
coolsymbol.app
cooltabs.app
cooltag.app
cooltech.app
cooltext.app
coolthings.app
cooltime.app
cooltool.app
cooltoolpool.app
cooltools.app

DNS History

4 records (4 active, 0 former)

NSns1.actve.netns2.actve.netA212.158.139.882a02:a40:31c:200::88
●NSns1.actve.net2026-08-18 → 2026-11-05 · 2 obs
● 2026-08-18 23:28:46
● 2026-11-05 09:52:34
●NSns2.actve.net2026-08-18 → 2026-11-05 · 2 obs
● 2026-08-18 23:28:46
● 2026-11-05 09:52:34
●A212.158.139.882026-08-18 → 2026-11-05 · 2 obs
● 2026-08-18 23:28:46
● 2026-11-05 09:52:34
●A2a02:a40:31c:200::882026-08-18 → 2026-11-05 · 2 obs
● 2026-08-18 23:28:46
● 2026-11-05 09:52:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
appns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...-
coolstack.appns1.actve.net, ns2.actve.net-

✅ Authoritative Response

Server:168.119.56.143

NS records: ns1.actve.net, ns2.actve.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coolstack.app (unsigned zone)

⏱️ Timing

Total: 1320ms | Queries: -

📄 Records

TypeCountSample Data
A1212.158.139.88
AAAA12a02:a40:31c:200::88
NS2ns1.actve.net, ns2.actve.net
SOA1ns1.actve.net hostmaster.actve.net

Analysis

IP Addresses

coolstack.app directs to two IP numbers, 212.158.139.88 and 2a02:a40:31c:200::88

starjob.cz, for instance, is one of the other host names sharing IP numbers with coolstack.app.

Name Servers

coolstack.app uses two name servers for its delegation: ns1.actve.net and ns2.actve.net.

coolstack.app uses the same name servers as several other domains — among them creatorshub.info, dennamaxximum.cz, pigyshop.cz and two more.

At least some of coolstack.app's name servers are also used by other domains, among them afterparty.sk.

The two host names ns1.actve.net and ns2.actve.net each have a pair of IP addresses: ns1.actve.net has 212.158.139.53 and 2a02:a40:31c:200::53, and ns2.actve.net has 168.119.56.143 and 2a01:4f8:c17:e668::1.