skillstack.courses - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

skillstack.courses

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:4e8f🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:dec7🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.78.143Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.222.199🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSannalise.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26ea🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRannalise.ns.cloudflare.com
A2803:f800:50::6ca2:c2ea🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRannalise.ns.cloudflare.com
A2a06:98c1:50::ac40:22ea🇺🇸 Cloudflare2a06:98c1:50::/45
PTRannalise.ns.cloudflare.com
A108.162.194.234🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRannalise.ns.cloudflare.com
A162.159.38.234Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRannalise.ns.cloudflare.com
A172.64.34.234🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRannalise.ns.cloudflare.com
NSgordon.ns.cloudflare.com
A2606:4700:58::adf5:3baa🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgordon.ns.cloudflare.com
A2803:f800:50::6ca2:c1aa🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgordon.ns.cloudflare.com
A2a06:98c1:50::ac40:21aa🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgordon.ns.cloudflare.com
A108.162.193.170🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgordon.ns.cloudflare.com
A172.64.33.170🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgordon.ns.cloudflare.com
A173.245.59.170🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgordon.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.78.143, 172.67.222.199
IPv6 hints2606:4700:3032::6815:4e8f, 2606:4700:3033::ac43:dec7
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=253, name=cloudflare-ech.com
SOAannalise.ns.cloudflare.comdns@cloudflare.com serial=2415629345

courses

DNSSEC🔒 Signed (DS record present)
NSa.nic.courses ⭐
NSb.nic.courses
NSc.nic.courses
NSx.nic.courses
NSy.nic.courses
NSz.nic.courses
SOAa.nic.coursesadmin@tldns.godaddy serial=1790857850
⚠️ On DNS blocklist: spam-tlds

Same first word

skillstack.ca
skillstack.site
skillstack.ir
skillstack.jp
skillstack.de
skillstack.ru
skillstack.pk
skillstack.gg
skillstack.pro
skillstack.pages.dev
skillstack.co.nz
skillstack.sh
skillstack.firebaseapp.com
skillstack.lt
skillstack.ph
skillstack.co
skillstack.me
skillstack.life
skillstack.dev
skillstack.solutions
skillstack.my
skillstack.workers.dev
skillstack.co.in
skillstack.news
skillstack.pl
skillstack.fun
skillstack.cloud
skillstack.courses
skillstack.space
skillstack.in
skillstack.art
skillstack.app
skillstack.tech
skillstack.ie
skillstack.com
skillstack.biz
skillstack.business
skillstack.ai
skillstack.xyz
skillstack.md
skillstack.co.uk
skillstack.com.pk

Similar names

skilltacks.com
slicktalks.com
stackskill.xyz

Previous names

skillio.courses
skilllink.courses
skillloom.courses
skillmastery.courses
skillmint.courses
skillmonetization.courses
skillnest.courses
skillora.courses
skillpath.courses
skillpathway.courses
skillprofits.courses
skillquest.courses
skillrise.courses
skills.courses
skills4england.courses
skillsefoundry.courses
skillsforteens.courses
skillshifted.courses
skillslab.courses
skillsprout.courses

Next names

skillstraining.courses
skillswap.courses
skilltide.courses
skillup.courses
skillups.courses
skillvoyager.courses
skinbio.courses
skinoak.courses
skinrouble.courses
skippingrhataniaweigela.courses
skippundderailedpayloads.courses
skiterlarghettosouths.courses
skool.courses
skspyfmk.courses
skvdd.courses
sky-fox-44.courses
sky-fox-87.courses
sky-panda.courses
skydivvpistol.courses
skyecho21.courses

DNS History

10 records (6 active, 4 former)

NSannalise.ns.cloudflare.comgordon.ns.cloudflare.comA104.21.78.143172.67.222.1992606:4700:3032::6815:4e8f2606:4700:3033::ac43:dec7188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSannalise.ns.cloudflare.com2026-09-12 → 2026-10-01 · 2 obs
● 2026-09-12 19:39:36
● 2026-10-01 13:15:58
●NSgordon.ns.cloudflare.com2026-09-12 → 2026-10-01 · 2 obs
● 2026-09-12 19:39:36
● 2026-10-01 13:15:58
●A104.21.78.1432026-10-01 → 2026-10-01 · 3 obs
○ 2026-09-12 19:39:36
● 2026-10-01 13:15:54
● 2026-10-01 13:15:58
●A172.67.222.1992026-10-01 → 2026-10-01 · 3 obs
○ 2026-09-12 19:39:36
● 2026-10-01 13:15:54
● 2026-10-01 13:15:58
○A188.114.96.02026-09-12 → 2026-09-12 · 3 obs
● 2026-09-12 19:39:36
○ 2026-10-01 13:15:54
○ 2026-10-01 13:15:58
○A188.114.97.02026-09-12 → 2026-09-12 · 3 obs
● 2026-09-12 19:39:36
○ 2026-10-01 13:15:54
○ 2026-10-01 13:15:58
●A2606:4700:3032::6815:4e8f2026-10-01 → 2026-10-01 · 3 obs
○ 2026-09-12 19:39:36
● 2026-10-01 13:15:54
● 2026-10-01 13:15:58
●A2606:4700:3033::ac43:dec72026-10-01 → 2026-10-01 · 3 obs
○ 2026-09-12 19:39:36
● 2026-10-01 13:15:54
● 2026-10-01 13:15:58
○A2a06:98c1:3120::2026-09-12 → 2026-09-12 · 3 obs
● 2026-09-12 19:39:36
○ 2026-10-01 13:15:54
○ 2026-10-01 13:15:58
○A2a06:98c1:3121::2026-09-12 → 2026-09-12 · 3 obs
● 2026-09-12 19:39:36
○ 2026-10-01 13:15:54
○ 2026-10-01 13:15:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coursesa.nic.courses, b.nic.courses, c.nic.courses, x.nic.courses...12 records
skillstack.coursesannalise.ns.cloudflare.com, gordon.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.234

NS records: annalise.ns.cloudflare.com, gordon.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for skillstack.courses (unsigned zone)

⏱️ Timing

Total: 1112ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.222.199, 104.21.78.143
AAAA22606:4700:3032::6815:4e8f, 2606:4700:3033::ac43:dec7
NS2annalise.ns.cloudflare.com, gordon.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1annalise.ns.cloudflare.com dns.cloudflar

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.courses, a.nic.courses, b.nic.courses...)

Analysis

IP Addresses

skillstack.courses points to the four IP addresses 104.21.78.143, 172.67.222.199, 2606:4700:3032::6815:4e8f and 2606:4700:3033::ac43:dec7.

Additional host names — managewisetime.shop, bookmarkshut.com, welhomebergamo.it and two others — share IP numbers with skillstack.courses.

Name Servers

The NS records for skillstack.courses delegate to annalise.ns.cloudflare.com and gordon.ns.cloudflare.com.

skillstack.courses shares its name server setup with other domains, including gatcombepark.portsmouth.sch.uk, omnahariya88.workers.dev, baqazoho.workers.dev and two others.

The name servers of skillstack.courses overlap at least partially with those of other domains — among them dgb5ay5g0g.workers.dev, fay-nutrition.com, getapp.tv and two more.

These name servers commonly appear alongside the name servers aspen.ns.cloudflare.com and nolan.ns.cloudflare.com.

Host names with 6 IP numbers:

annalise.ns.cloudflare.com maps to 108.162.194.234, 162.159.38.234, 172.64.34.234 and 3 additional IP addresses.

gordon.ns.cloudflare.com maps to 108.162.193.170, 172.64.33.170, 173.245.59.170 and 3 additional IP addresses.