stackster.dev - dns.ninja

🛡️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=137, name=cloudflare-ech.com
SOAmichael.ns.cloudflare.comdns@cloudflare.com serial=2412196458

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.dev

Similar names

reststack.com
kerstacts.com
taskcrest.xyz
kstcaster.com
testracks.com

Previous names

stackrelay.dev
stackresolver.dev
stackreview.dev
stackroute.dev
stackrubric.dev
stacksafe.dev
stacksai.dev
stackscan.dev
stacksdiarios.dev
stacksend.dev
stackshift.dev
stackship.dev
stackside.dev
stackslabs.dev
stacksmart.dev
stacksmithlabs.dev
stacksolution.dev
stacksorcery.dev
stackspeed.dev

Next names

stackstore.dev
stacksuite.dev
stackum.dev
stackup.dev
stackv.dev
stackvibes.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
stadtaachen.dev
stadthagen.dev
stadtkind.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 → 2026-08-18 · 2 obs
● 2026-08-18 10:08:38
● 2026-08-18 23:19:10
●NSrosemary.ns.cloudflare.com2026-08-18 → 2026-08-18 · 2 obs
● 2026-08-18 10:08:38
● 2026-08-18 23:19:10
●MXroute1.mx.cloudflare.net2026-08-18 → 2026-08-18 · 2 obs
● 2026-08-18 10:08:38
● 2026-08-18 23:19:10
●MXroute2.mx.cloudflare.net2026-08-18 → 2026-08-18 · 2 obs
● 2026-08-18 10:08:38
● 2026-08-18 23:19:10
●MXroute3.mx.cloudflare.net2026-08-18 → 2026-08-18 · 2 obs
● 2026-08-18 10:08:38
● 2026-08-18 23:19:10
●A104.21.10.442026-08-18 → 2026-08-18 · 2 obs
● 2026-08-18 10:08:38
● 2026-08-18 23:19:10
●A172.67.189.2362026-08-18 → 2026-08-18 · 2 obs
● 2026-08-18 10:08:38
● 2026-08-18 23:19:10
●A2606:4700:3031::ac43:bdec2026-08-18 → 2026-08-18 · 2 obs
● 2026-08-18 10:08:38
● 2026-08-18 23:19:10
●A2606:4700:3033::6815:a2c2026-08-18 → 2026-08-18 · 2 obs
● 2026-08-18 10:08:38
● 2026-08-18 23:19:10

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:172.64.34.77

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: 560ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.189.236, 104.21.10.44
AAAA22606:4700:3033::6815:a2c, 2606:4700:3031::ac43:bdec
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 directs to four IP numbers, which are 104.21.10.44, 172.67.189.236, 2606:4700:3031::ac43:bdec and 2606:4700:3033::6815:a2c.

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

Name Servers

stackster.dev has two authoritative name servers — 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.

At least some of stackster.dev's name servers are shared with other domains, for example sahneistanbul.com, strike.ltd, erotikle.lat and two more.

It is common for these name servers to be used in conjunction with the name servers eugene.ns.cloudflare.com, summer.ns.cloudflare.com and raina.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

michael.ns.cloudflare.com points to 108.162.195.12, 162.159.44.12, 172.64.35.12 and 3 other IP addresses.

rosemary.ns.cloudflare.com points to 108.162.194.77, 162.159.38.77, 172.64.34.77 and 3 other IP addresses.

Mail Servers

The MX records for stackster.dev list 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 atlaz.tech, poonanie.club, othos.cr and two more.

Hostnames that resolve to 6 IP addresses:

route1.mx.cloudflare.net points to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net points to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net points to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.