certstack.io - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

certstack.io

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:baee🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:255🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.2.85Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.186.238🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgina.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a75🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgina.ns.cloudflare.com
A2803:f800:50::6ca2:c075🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgina.ns.cloudflare.com
A2a06:98c1:50::ac40:2075🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgina.ns.cloudflare.com
A108.162.192.117🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgina.ns.cloudflare.com
A172.64.32.117🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgina.ns.cloudflare.com
A173.245.58.117🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgina.ns.cloudflare.com
NSzod.ns.cloudflare.com
A2606:4700:58::adf5:3bfa🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzod.ns.cloudflare.com
A2803:f800:50::6ca2:c1fa🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRzod.ns.cloudflare.com
A2a06:98c1:50::ac40:21fa🇺🇸 Cloudflare2a06:98c1:50::/45
PTRzod.ns.cloudflare.com
A108.162.193.250🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzod.ns.cloudflare.com
A172.64.33.250🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzod.ns.cloudflare.com
A173.245.59.250🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzod.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.2.85, 172.67.186.238
IPv6 hints2606:4700:3030::ac43:baee, 2606:4700:3031::6815:255
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=52, name=cloudflare-ech.com
SOAgina.ns.cloudflare.comdns@cloudflare.com serial=2415274589

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1790740918

Same first word

certstack.fyi
certstack.io
certstack.co.uk
certstack.app
certstack.pro
certstack.com
certstack.dev
certstack.org

Similar names

cracktest.com.au
cracktest.ph
stackcert.co
testcrack.online
cracktest.es
stackcert.com
cracktest.pk
testcrack.com
cracktest.ai
cracktest.in
cracktest.cn

Previous names

certrace.io
certramp.io
certready.io
certrep.io
certrion.io
certronic.io
certrus.io
certs365.io
certscan.io
certscore.io
certsec.io
certseer.io
certsensei.io
certsentry.io
certshare.io
certshield.io
certsim.io
certskill.io
certsnap.io
certsscan.io

Next names

certsup.io
certt.io
certtools.io
certtrack.io
certtrak.io
certtutor.io
certu.io
certua.io
certuity.io
certum.io
certun.io
certup.io
certus-iq.io
certus.io
certuscrypto.io
certusdirect.io
certusforge.io
certuslabs.io
certust.io
certustech.io

DNS History

10 records (6 active, 4 former)

NSgina.ns.cloudflare.comzod.ns.cloudflare.comA104.21.2.85172.67.186.2382606:4700:3030::ac43:baee2606:4700:3031::6815:255188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSgina.ns.cloudflare.com2026-08-31 → 2026-09-30 · 2 obs
● 2026-08-31 10:13:02
● 2026-09-30 05:09:16
●NSzod.ns.cloudflare.com2026-08-31 → 2026-09-30 · 2 obs
● 2026-08-31 10:13:02
● 2026-09-30 05:09:16
●A104.21.2.852026-09-24 → 2026-09-30 · 3 obs
○ 2026-08-31 10:13:02
● 2026-09-24 16:10:40
● 2026-09-30 05:09:16
●A172.67.186.2382026-09-24 → 2026-09-30 · 3 obs
○ 2026-08-31 10:13:02
● 2026-09-24 16:10:40
● 2026-09-30 05:09:16
○A188.114.96.02026-08-31 → 2026-08-31 · 3 obs
● 2026-08-31 10:13:02
○ 2026-09-24 16:10:40
○ 2026-09-30 05:09:16
○A188.114.97.02026-08-31 → 2026-08-31 · 3 obs
● 2026-08-31 10:13:02
○ 2026-09-24 16:10:40
○ 2026-09-30 05:09:16
●A2606:4700:3030::ac43:baee2026-09-24 → 2026-09-30 · 3 obs
○ 2026-08-31 10:13:02
● 2026-09-24 16:10:40
● 2026-09-30 05:09:16
●A2606:4700:3031::6815:2552026-09-24 → 2026-09-30 · 3 obs
○ 2026-08-31 10:13:02
● 2026-09-24 16:10:40
● 2026-09-30 05:09:16
○A2a06:98c1:3120::2026-08-31 → 2026-08-31 · 3 obs
● 2026-08-31 10:13:02
○ 2026-09-24 16:10:40
○ 2026-09-30 05:09:16
○A2a06:98c1:3121::2026-08-31 → 2026-08-31 · 3 obs
● 2026-08-31 10:13:02
○ 2026-09-24 16:10:40
○ 2026-09-30 05:09:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioa0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io-
certstack.iogina.ns.cloudflare.com, zod.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.117

NS records: gina.ns.cloudflare.com, zod.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certstack.io (unsigned zone)

⏱️ Timing

Total: 734ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.2.85, 172.67.186.238
AAAA22606:4700:3031::6815:255, 2606:4700:3030::ac43:baee
NS2gina.ns.cloudflare.com, zod.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1gina.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

certstack.io has four IP addresses: 104.21.2.85, 172.67.186.238, 2606:4700:3030::ac43:baee and 2606:4700:3031::6815:255.

Among the host names that share IP numbers with certstack.io are 777bit.online, 91clubapkk.com, hi999.bet and two others.

Name Servers

The NS records for certstack.io delegate to gina.ns.cloudflare.com and zod.ns.cloudflare.com.

certstack.io has the same name server delegation as a number of other domains, such as agromanos.gr, sagiri.moe, convertlr.com and two more.

certstack.io has at least partial name server overlap with other domains, such as 9659dh33.vip, jufenolyqa.pro, foundationrepairpeoriail.com and two others.

It is common to see these name servers used together with name servers jim.ns.cloudflare.com and harmony.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

gina.ns.cloudflare.com maps to 108.162.192.117, 172.64.32.117, 173.245.58.117 and 3 additional IP addresses.

zod.ns.cloudflare.com maps to 108.162.193.250, 172.64.33.250, 173.245.59.250 and 3 additional IP addresses.