learntools.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

learntools.dev

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:8c06🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:369a🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.54.154Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.140.6🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NShazel.ns.cloudflare.com ⭐
A2606:4700:50::a29f:269d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhazel.ns.cloudflare.com
A2803:f800:50::6ca2:c29d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRhazel.ns.cloudflare.com
A2a06:98c1:50::ac40:229d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRhazel.ns.cloudflare.com
A108.162.194.157🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhazel.ns.cloudflare.com
A162.159.38.157Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhazel.ns.cloudflare.com
A172.64.34.157🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhazel.ns.cloudflare.com
NSnicolas.ns.cloudflare.com
A2606:4700:58::a29f:2c54🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicolas.ns.cloudflare.com
A2803:f800:50::6ca2:c354🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnicolas.ns.cloudflare.com
A2a06:98c1:50::ac40:2354🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnicolas.ns.cloudflare.com
A108.162.195.84🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicolas.ns.cloudflare.com
A162.159.44.84Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicolas.ns.cloudflare.com
A172.64.35.84🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicolas.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.54.154, 172.67.140.6
IPv6 hints2606:4700:3033::ac43:8c06, 2606:4700:3037::6815:369a
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=240, name=cloudflare-ech.com
SOAhazel.ns.cloudflare.comdns@cloudflare.com serial=2413981863

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

learntools.de
learntools.ai
learntools.online
learntools.site
learntools.ch
learntools.info
learntools.digital
learntools.xyz
learntools.dev
learntools.pages.dev
learntools.ir

Similar names

olelonstar.com
stonerolla.com
lanosterol.com
renaltools.com
toolslearn.com
allonestor.com
larsentool.com
stonerolla.shop
sloretolan.xyz
oslorental.no
stellanoor.pages.dev
learnstool.com
santorello.co.uk
allonestor.be
solalnorte.com
lenartools.ru
lensolator.com
elsantolor.com
oolrentals.com.ng
stellanoor.com
solorental.com
loorentals.com

Previous names

learnshortcuts.dev
learnsignal.dev
learnskills.dev
learnsmart.dev
learnsquad.dev
learnstack.dev
learnsui.dev
learnswift.dev
learnsystemdesign.dev
learnt.dev
learntaxes.dev
learntech.dev
learnthenextstack.dev
learnthewords.dev
learntmux.dev
learntoautomate.dev
learntobea.dev
learntoday.dev
learntodriveai.dev
learntok.dev

Next names

learntoship.dev
learntosprint.dev
learntovibe.dev
learntovibecode.dev
learntrack.dev
learntypescript.dev
learntyping.dev
learnu.dev
learnux.dev
learnvibecode.dev
learnvibium.dev
learnvite.dev
learnweb.dev
learnwebscraping.dev
learnwise.dev
learnwithdorell.dev
learnwithjason.dev
learnwithmanoj.dev
learnwithme.dev
learnwithpal.dev

DNS History

14 records (6 active, 8 former)

NShazel.ns.cloudflare.comnicolas.ns.cloudflare.comA104.21.54.154172.67.140.62606:4700:3033::ac43:8c062606:4700:3037::6815:369a188.114.96.0188.114.96.4188.114.97.0188.114.97.42a06:98c1:3120::2a06:98c1:3120::42a06:98c1:3121::2a06:98c1:3121::4
●NShazel.ns.cloudflare.com2026-09-08 → 2026-09-17 · 2 obs
● 2026-09-08 04:46:30
● 2026-09-17 05:54:32
●NSnicolas.ns.cloudflare.com2026-09-08 → 2026-09-17 · 2 obs
● 2026-09-08 04:46:30
● 2026-09-17 05:54:32
●A104.21.54.1542026-09-08 → 2026-09-17 · 5 obs
○ 2026-09-08 04:46:30
● 2026-09-08 21:24:34
○ 2026-09-10 05:46:14
● 2026-09-10 11:53:12
● 2026-09-17 05:54:32
●A172.67.140.62026-09-08 → 2026-09-17 · 5 obs
○ 2026-09-08 04:46:30
● 2026-09-08 21:24:34
○ 2026-09-10 05:46:14
● 2026-09-10 11:53:12
● 2026-09-17 05:54:32
○A188.114.96.02026-09-08 → 2026-09-08 · 3 obs
● 2026-09-08 04:46:30
○ 2026-09-08 21:24:34
○ 2026-09-17 05:54:32
○A188.114.96.42026-09-10 → 2026-09-10 · 4 obs
○ 2026-09-08 21:24:34
● 2026-09-10 05:46:14
○ 2026-09-10 11:53:12
○ 2026-09-17 05:54:32
○A188.114.97.02026-09-08 → 2026-09-08 · 3 obs
● 2026-09-08 04:46:30
○ 2026-09-08 21:24:34
○ 2026-09-17 05:54:32
○A188.114.97.42026-09-10 → 2026-09-10 · 4 obs
○ 2026-09-08 21:24:34
● 2026-09-10 05:46:14
○ 2026-09-10 11:53:12
○ 2026-09-17 05:54:32
●A2606:4700:3033::ac43:8c062026-09-08 → 2026-09-17 · 5 obs
○ 2026-09-08 04:46:30
● 2026-09-08 21:24:34
○ 2026-09-10 05:46:14
● 2026-09-10 11:53:12
● 2026-09-17 05:54:32
●A2606:4700:3037::6815:369a2026-09-08 → 2026-09-17 · 5 obs
○ 2026-09-08 04:46:30
● 2026-09-08 21:24:34
○ 2026-09-10 05:46:14
● 2026-09-10 11:53:12
● 2026-09-17 05:54:32
○A2a06:98c1:3120::2026-09-08 → 2026-09-08 · 3 obs
● 2026-09-08 04:46:30
○ 2026-09-08 21:24:34
○ 2026-09-17 05:54:32
○A2a06:98c1:3120::42026-09-10 → 2026-09-10 · 4 obs
○ 2026-09-08 21:24:34
● 2026-09-10 05:46:14
○ 2026-09-10 11:53:12
○ 2026-09-17 05:54:32
○A2a06:98c1:3121::2026-09-08 → 2026-09-08 · 3 obs
● 2026-09-08 04:46:30
○ 2026-09-08 21:24:34
○ 2026-09-17 05:54:32
○A2a06:98c1:3121::42026-09-10 → 2026-09-10 · 4 obs
○ 2026-09-08 21:24:34
● 2026-09-10 05:46:14
○ 2026-09-10 11:53:12
○ 2026-09-17 05:54:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...10 records
learntools.devhazel.ns.cloudflare.com, nicolas.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.84

NS records: hazel.ns.cloudflare.com, nicolas.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learntools.dev (unsigned zone)

⏱️ Timing

Total: 827ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.54.154, 172.67.140.6
AAAA22606:4700:3037::6815:369a, 2606:4700:3033::ac43:8c06
NS2hazel.ns.cloudflare.com, nicolas.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1hazel.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

learntools.dev points to the four IP addresses 104.21.54.154, 172.67.140.6, 2606:4700:3033::ac43:8c06 and 2606:4700:3037::6815:369a.

Two other host names, along with thesecretswansea.co.uk, 1uadrs037.shop and ios198isomer85.cfd, also share IP numbers with learntools.dev.

Name Servers

The NS records for learntools.dev delegate to hazel.ns.cloudflare.com and nicolas.ns.cloudflare.com.

learntools.dev shares its NS records with other domains, for example abslistings.com, eversix.app, beta-frontend.pages.dev and two others.

There is at least partial name server overlap between learntools.dev and other domains — areflexias.life, soatsiry.com, cb2atdbqcz.workers.dev and two more among them.

The name servers rodrigo.ns.cloudflare.com, karina.ns.cloudflare.com and sureena.ns.cloudflare.com are often found in combination with these name servers.

DNS names with 6 IP addresses:

hazel.ns.cloudflare.com maps to 108.162.194.157, 162.159.38.157, 172.64.34.157 and 3 additional IP addresses.

nicolas.ns.cloudflare.com maps to 108.162.195.84, 162.159.44.84, 172.64.35.84 and 3 additional IP addresses.