stackster.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

stackster.dev

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:bdec🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:a2c🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.10.44Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.189.236🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmichael.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c0c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmichael.ns.cloudflare.com
A2803:f800:50::6ca2:c30c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmichael.ns.cloudflare.com
A2a06:98c1:50::ac40:230c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmichael.ns.cloudflare.com
A108.162.195.12🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmichael.ns.cloudflare.com
A162.159.44.12Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmichael.ns.cloudflare.com
A172.64.35.12🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmichael.ns.cloudflare.com
NSrosemary.ns.cloudflare.com
A2606:4700:50::a29f:264d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrosemary.ns.cloudflare.com
A2803:f800:50::6ca2:c24d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrosemary.ns.cloudflare.com
A2a06:98c1:50::ac40:224d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrosemary.ns.cloudflare.com
A108.162.194.77🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrosemary.ns.cloudflare.com
A162.159.38.77Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrosemary.ns.cloudflare.com
A172.64.34.77🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrosemary.ns.cloudflare.com
MXroute1.mx.cloudflare.net ⭐
A2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
MXroute2.mx.cloudflare.net(92)
A2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
MXroute3.mx.cloudflare.net(95)
A2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
TXTgoogle-site-verification=IrLypxiO-n8nKT7UMHNWzofQkF0mV8UeE9HzEvM6Yic
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.10.44, 172.67.189.236
IPv6 hints2606:4700:3031::ac43:bdec, 2606:4700:3033::6815:a2c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=193, name=cloudflare-ech.com
SOAmichael.ns.cloudflare.comdns@cloudflare.com serial=2412835076

dev

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=1
🔒 HSTS Preload (+subdomains)

Same first word

stackster.net
stackster.app
stackster.com
stackster.pages.dev
stackster.dev

Similar names

tracksets.com
reststack.com
kerstacts.com
tkscaster.com.tw
kerstacts.nl
tkscaster.com
taskcrest.com
taskcrest.xyz
reststack.ph
trestacks.com
kstcaster.com
reststack.xyz
testracks.com

Previous names

stackroute.dev
stackrubric.dev
stacksafe.dev
stacksai.dev
stackscan.dev
stacksdiarios.dev
stacksend.dev
stackshift.dev
stackship.dev
stackside.dev
stackslabs.dev
stacksmart.dev
stacksmash.dev
stacksmithlabs.dev
stacksolution.dev
stacksorcery.dev
stackspec.dev
stackspeed.dev
stacksquatch.dev

Next names

stackstitch.dev
stackstore.dev
stacksuite.dev
stacktru.dev
stackum.dev
stackup.dev
stackv.dev
stackvibes.dev
stackwarriors.dev
stackworx.dev
stacky.dev
stackzone.dev
stad.dev
stada.dev
staddi99.dev
stadia.dev
stadt-apo.dev
stadt-kassel.dev
stadt-malchow.dev
stadt-parchim.dev

DNS History

9 records (9 active, 0 former)

NSmichael.ns.cloudflare.comrosemary.ns.cloudflare.comMXroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netA104.21.10.44172.67.189.2362606:4700:3031::ac43:bdec2606:4700:3033::6815:a2c
●NSmichael.ns.cloudflare.com2026-08-18 → 2026-08-26 · 2 obs
● 2026-08-18 10:08:38
● 2026-08-26 23:25:22
●NSrosemary.ns.cloudflare.com2026-08-18 → 2026-08-26 · 2 obs
● 2026-08-18 10:08:38
● 2026-08-26 23:25:22
●MXroute1.mx.cloudflare.net2026-08-18 → 2026-08-26 · 2 obs
● 2026-08-18 10:08:38
● 2026-08-26 23:25:22
●MXroute2.mx.cloudflare.net2026-08-18 → 2026-08-26 · 2 obs
● 2026-08-18 10:08:38
● 2026-08-26 23:25:22
●MXroute3.mx.cloudflare.net2026-08-18 → 2026-08-26 · 2 obs
● 2026-08-18 10:08:38
● 2026-08-26 23:25:22
●A104.21.10.442026-08-18 → 2026-08-26 · 2 obs
● 2026-08-18 10:08:38
● 2026-08-26 23:25:22
●A172.67.189.2362026-08-18 → 2026-08-26 · 2 obs
● 2026-08-18 10:08:38
● 2026-08-26 23:25:22
●A2606:4700:3031::ac43:bdec2026-08-18 → 2026-08-26 · 2 obs
● 2026-08-18 10:08:38
● 2026-08-26 23:25:22
●A2606:4700:3033::6815:a2c2026-08-18 → 2026-08-26 · 2 obs
● 2026-08-18 10:08:38
● 2026-08-26 23:25:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...-
stackster.devmichael.ns.cloudflare.com, rosemary.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.12

NS records: michael.ns.cloudflare.com, rosemary.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackster.dev (unsigned zone)

⏱️ Timing

Total: 999ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.189.236, 104.21.10.44
AAAA22606:4700:3031::ac43:bdec, 2606:4700:3033::6815:a2c
NS2michael.ns.cloudflare.com, rosemary.ns.cloudflare.com
MX3route1.mx.cloudflare.net (pri: 45), route2.mx.cloudflare.net (pri: 92)...
TXT2google-site-verification=IrLypxiO-n8nKT7, v=spf1 include:_spf.mx.cloudflare.net ~a
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1michael.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

stackster.dev points to the four IP addresses 104.21.10.44, 172.67.189.236, 2606:4700:3031::ac43:bdec and 2606:4700:3033::6815:a2c.

awan-ai.web.id, www.shopdisability.co.uk, www.lyndhurststud.com and two other host names share IP numbers with stackster.dev.

Name Servers

The NS records for stackster.dev delegate to michael.ns.cloudflare.com and rosemary.ns.cloudflare.com.

stackster.dev uses the same name servers as several other domains — among them india.org.tw, steriprocanada.org, skarp.dev and two more.

There is at least partial name server overlap between stackster.dev and other domains — approvedtrafficourse.com, sahneistanbul.com, kinoteca.eu and two more among them.

The name servers dan.ns.cloudflare.com, eugene.ns.cloudflare.com and summer.ns.cloudflare.com are often found in combination with these name servers.

Hostnames that resolve to 6 IP addresses:

michael.ns.cloudflare.com maps to 108.162.195.12, 162.159.44.12, 172.64.35.12 and 3 additional IP addresses.

rosemary.ns.cloudflare.com maps to 108.162.194.77, 162.159.38.77, 172.64.34.77 and 3 additional IP addresses.

Mail Servers

Incoming mail for stackster.dev is delivered via three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

stackster.dev has at least partial mail server overlap with other domains such as trysokadvisors.com, atlaz.tech, poonanie.club and two more.

Hostnames that resolve to 6 IP addresses:

route1.mx.cloudflare.net maps to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 additional IP addresses.

route2.mx.cloudflare.net maps to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 additional IP addresses.

route3.mx.cloudflare.net maps to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 additional IP addresses.