learntools.dev - dns.ninja

🛡️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=77, 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
renaltools.com
toolslearn.com
allonestor.com
stonerolla.shop
sloretolan.xyz
oslorental.no
stellanoor.pages.dev
learnstool.com
santorello.co.uk
allonestor.be
lenartools.ru
lensolator.com
elsantolor.com
oolrentals.com.ng
stellanoor.com
solorental.com
loorentals.com

Previous names

learnreactrouter.dev
learnreactui.dev
learnreal.dev
learnrest.dev
learnrpg.dev
learnrubyonrails.dev
learnsat.dev
learnscala.dev
learnsecure.dev
learnserverless.dev
learnshiftgrow.dev
learnshortcuts.dev
learnskills.dev
learnswift.dev
learnt.dev
learntech.dev
learnthenextstack.dev
learntobea.dev
learntodriveai.dev
learntok.dev

Next names

learntoship.dev
learntosprint.dev
learntovibe.dev
learntovibecode.dev
learntypescript.dev
learntyping.dev
learnvibecode.dev
learnvibium.dev
learnwebscraping.dev
learnwise.dev
learnwithjason.dev
learnwithmanoj.dev
learnwithme.dev
learnwithpal.dev
learnwithpaul.dev
learnwithraman.dev
learnwithsophia.dev
learnwithsumit.dev
learnworlds.dev
learnx.dev

DNS History

10 records (6 active, 4 former)

NShazel.ns.cloudflare.comnicolas.ns.cloudflare.comA104.21.54.154172.67.140.62606:4700:3033::ac43:8c062606:4700:3037::6815:369a188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NShazel.ns.cloudflare.com2026-09-08 → 2026-09-10 · 2 obs
● 2026-09-08 04:46:30
● 2026-09-10 04:04:58
●NSnicolas.ns.cloudflare.com2026-09-08 → 2026-09-10 · 2 obs
● 2026-09-08 04:46:30
● 2026-09-10 04:04:58
●A104.21.54.1542026-09-08 → 2026-09-10 · 3 obs
○ 2026-09-08 04:46:30
● 2026-09-08 21:24:34
● 2026-09-10 04:04:58
●A172.67.140.62026-09-08 → 2026-09-10 · 3 obs
○ 2026-09-08 04:46:30
● 2026-09-08 21:24:34
● 2026-09-10 04:04:58
○A188.114.96.02026-09-08 → 2026-09-08 · 3 obs
● 2026-09-08 04:46:30
○ 2026-09-08 21:24:34
○ 2026-09-10 04:04:58
○A188.114.97.02026-09-08 → 2026-09-08 · 3 obs
● 2026-09-08 04:46:30
○ 2026-09-08 21:24:34
○ 2026-09-10 04:04:58
●A2606:4700:3033::ac43:8c062026-09-08 → 2026-09-10 · 3 obs
○ 2026-09-08 04:46:30
● 2026-09-08 21:24:34
● 2026-09-10 04:04:58
●A2606:4700:3037::6815:369a2026-09-08 → 2026-09-10 · 3 obs
○ 2026-09-08 04:46:30
● 2026-09-08 21:24:34
● 2026-09-10 04:04:58
○A2a06:98c1:3120::2026-09-08 → 2026-09-08 · 3 obs
● 2026-09-08 04:46:30
○ 2026-09-08 21:24:34
○ 2026-09-10 04:04:58
○A2a06:98c1:3121::2026-09-08 → 2026-09-08 · 3 obs
● 2026-09-08 04:46:30
○ 2026-09-08 21:24:34
○ 2026-09-10 04:04:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
learntools.devnicolas.ns.cloudflare.com, hazel.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.84

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learntools.dev (unsigned zone)

⏱️ Timing

Total: 572ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.140.6, 104.21.54.154
AAAA22606:4700:3033::ac43:8c06, 2606:4700:3037::6815:369a
NS2hazel.ns.cloudflare.com, nicolas.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1hazel.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

learntools.dev resolves to 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 inxite.com.cn, also share IP numbers with learntools.dev.

Name Servers

Two name servers handle the delegation for learntools.dev: hazel.ns.cloudflare.com and nicolas.ns.cloudflare.com.

learntools.dev shares its NS records with other domains, for example abslistings.com, kodebisu.com, mahbodmahdanian2000-mm98.workers.dev and two others.

learntools.dev partially shares its NS delegation with several other domains, including areflexias.life, cb2atdbqcz.workers.dev, y9bmd9p.pages.dev and two others.

These name servers often co-occur with the name servers rodrigo.ns.cloudflare.com.

DNS names with 6 IP addresses:

hazel.ns.cloudflare.com resolves to 108.162.194.157, 162.159.38.157 and 172.64.34.157 among others, with 3 other IP addresses in total.

nicolas.ns.cloudflare.com resolves to 108.162.195.84, 162.159.44.84 and 172.64.35.84 among others, with 3 other IP addresses in total.