checkstack.co - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

checkstack.co

DNSSEC⚠️ Not signed
A76.76.21.21🇺🇸 Amazon76.76.21.0/24 EC2 Prefix
NSkim.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a7e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkim.ns.cloudflare.com
A2803:f800:50::6ca2:c07e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkim.ns.cloudflare.com
A2a06:98c1:50::ac40:207e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkim.ns.cloudflare.com
A108.162.192.126🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkim.ns.cloudflare.com
A172.64.32.126🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkim.ns.cloudflare.com
A173.245.58.126🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkim.ns.cloudflare.com
NSyevgen.ns.cloudflare.com
A2606:4700:58::a29f:2cdf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyevgen.ns.cloudflare.com
A2803:f800:50::6ca2:c3df🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRyevgen.ns.cloudflare.com
A2a06:98c1:50::ac40:23df🇺🇸 Cloudflare2a06:98c1:50::/45
PTRyevgen.ns.cloudflare.com
A108.162.195.223🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyevgen.ns.cloudflare.com
A162.159.44.223Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyevgen.ns.cloudflare.com
A172.64.35.223🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyevgen.ns.cloudflare.com
MXmx1-hosting.jellyfish.systems ⭐
A162.255.118.28🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTRoxse3a.privateemail.com
MXmx2-hosting.jellyfish.systems(10)
A162.255.118.29🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTRoxse2b.privateemail.com
MXmx3-hosting.jellyfish.systems(20)
A162.255.118.13🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTRmx3-hosting.jellyfish.systems
TXTgoogle-site-verification=bcOnkSd2hathkW-aJKReGo0CSb5RdD6h5G6xOnSwX8g
TXTgoogle-site-verification=xapPiBtVtXlSUC6QA7Fc-sFAJ4ggWMF2s1PtgByT4GU
TXTv=spf1 +mx +a +ip4:63.250.38.193 +include:spf.web-hosting.com ~all
SOAkim.ns.cloudflare.comdns@cloudflare.com serial=2414827200

co

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759757405

Same first word

checkstack.app
checkstack.de
checkstack.ai
checkstack.io
checkstack.space
checkstack.dev
checkstack.co

Similar names

stackcheck.jp
stackcheck.so
stackcheck.workers.dev

Previous names

checksout.co
checkspam.co
checkspeedtest.co
checkspendblock.co
checkspendbonus.co
checkspendclear.co
checkspendcover.co
checkspendgrant.co
checkspendguide.co
checkspendheart.co
checkspendmedic.co
checkspendmerit.co
checkspendrehab.co
checkspendshare.co
checkspendsound.co
checkspendvital.co
checkspendwatch.co
checkspendwhole.co
checksshipfree.co
checksta.co

Next names

checkstarbridge.co
checkstoken.co
checkstomorrow.co
checkstrategies.co
checkstudio.co
checksumforge.co
checksunlimited.co
checksure.co
checksusd.co
checkswholesale.co
checksy.co
checksystem.co
checktech.co
checktendent.co
checkthatbrand.co
checkthedate.co
checkthegirls.co
checkthepulse.co
checkthesavings.co

DNS History

6 records (6 active, 0 former)

NSkim.ns.cloudflare.comyevgen.ns.cloudflare.comMXmx1-hosting.jellyfish.systemsmx2-hosting.jellyfish.systemsmx3-hosting.jellyfish.systemsA76.76.21.21
●NSkim.ns.cloudflare.com2026-08-31 → 2026-09-14 · 2 obs
● 2026-08-31 08:21:48
● 2026-09-14 01:55:18
●NSyevgen.ns.cloudflare.com2026-08-31 → 2026-09-14 · 2 obs
● 2026-08-31 08:21:48
● 2026-09-14 01:55:18
●MXmx1-hosting.jellyfish.systems2026-08-31 → 2026-09-14 · 2 obs
● 2026-08-31 08:21:48
● 2026-09-14 01:55:18
●MXmx2-hosting.jellyfish.systems2026-08-31 → 2026-09-14 · 2 obs
● 2026-08-31 08:21:48
● 2026-09-14 01:55:18
●MXmx3-hosting.jellyfish.systems2026-08-31 → 2026-09-14 · 2 obs
● 2026-08-31 08:21:48
● 2026-09-14 01:55:18
●A76.76.21.212026-08-31 → 2026-09-14 · 2 obs
● 2026-08-31 08:21:48
● 2026-09-14 01:55:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coa.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co8 records
checkstack.cokim.ns.cloudflare.com, yevgen.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.223

NS records: kim.ns.cloudflare.com, yevgen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for checkstack.co (unsigned zone)

⏱️ Timing

Total: 804ms | Queries: -

📄 Records

TypeCountSample Data
A176.76.21.21
NS2kim.ns.cloudflare.com, yevgen.ns.cloudflare.com
MX3mx2-hosting.jellyfish.systems (pri: 10), mx3-hosting.jellyfish.systems (pri: 20)...
TXT3google-site-verification=bcOnkSd2hathkW-, google-site-verification=xapPiBtVtXlSUC6...
SOA1kim.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a.registrydns.co, a.registrydns.co, b.registrydns.co...)

Analysis

IP Addresses

checkstack.co resolves to one IP address: 76.76.21.21.

sweepboom.com, threebids.io, leduha.cn and two other host names share IP numbers with checkstack.co.

Name Servers

checkstack.co has two authoritative name servers — kim.ns.cloudflare.com and yevgen.ns.cloudflare.com.

checkstack.co uses the same name servers as several other domains — among them multichainweb-6v6.pages.dev, morf-portal.pages.dev, dbay-exquisite.pages.dev and two more.

There is at least partial name server overlap between checkstack.co and other domains — cashdera.com, reigatedentists.com, bangla-harum.pages.dev and two more among them.

These name servers tend to appear in combination with the name servers raegan.ns.cloudflare.com, dexter.ns.cloudflare.com, todd.ns.cloudflare.com and walt.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

kim.ns.cloudflare.com points to 108.162.192.126, 172.64.32.126, 173.245.58.126 and 3 other IP addresses.

yevgen.ns.cloudflare.com points to 108.162.195.223, 162.159.44.223, 172.64.35.223 and 3 other IP addresses.

Mail Servers

Incoming mail for checkstack.co is delivered via three mail servers: mx1-hosting.jellyfish.systems, mx2-hosting.jellyfish.systems and mx3-hosting.jellyfish.systems.

checkstack.co has at least partial mail server overlap with other domains such as dailyjob(0x736578)plore.com, becekwinwok.site, imagegenaesthetics.ca and two more.

Each of the three hostnames points to exactly one IP address: mx1-hosting.jellyfish.systems points to 162.255.118.28, mx2-hosting.jellyfish.systems points to 162.255.118.29 and mx3-hosting.jellyfish.systems points to 162.255.118.13.