study-notes.org - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

study-notes.org

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:97bd🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:58b1🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.88.177Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.151.189🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjanet.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3aa9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjanet.ns.cloudflare.com
A2803:f800:50::6ca2:c0a9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjanet.ns.cloudflare.com
A2a06:98c1:50::ac40:20a9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjanet.ns.cloudflare.com
A108.162.192.169🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjanet.ns.cloudflare.com
A172.64.32.169🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjanet.ns.cloudflare.com
A173.245.58.169🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjanet.ns.cloudflare.com
NSmatias.ns.cloudflare.com
A2606:4700:58::a29f:2c49🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatias.ns.cloudflare.com
A2803:f800:50::6ca2:c349🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmatias.ns.cloudflare.com
A2a06:98c1:50::ac40:2349🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmatias.ns.cloudflare.com
A108.162.195.73🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatias.ns.cloudflare.com
A162.159.44.73Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatias.ns.cloudflare.com
A172.64.35.73🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatias.ns.cloudflare.com
TXTgoogle-site-verification=8hu2aSRV3KgWTDQllCT4vEuZacQNGGp73ItoRfrSQrk
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.88.177, 172.67.151.189
IPv6 hints2606:4700:3032::ac43:97bd, 2606:4700:3035::6815:58b1
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=97, name=cloudflare-ech.com
SOAjanet.ns.cloudflare.comdns@cloudflare.com serial=2416213122

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1791424908

Same first word

study-notes.us
study-notes.dev
study-notes.workers.dev
study-notes.ai
study-notes.org
study-notes.ru
study-notes.pages.dev
study-notes.duckdns.org

Similar names

dusty-stone.de

Previous names

study-islam.org
study-italy.org
study-japan.org
study-labs.org
study-languages.org
study-life.org
study-link.org
study-maranatha.org
study-marketing-europe.org
study-material.org
study-math.org
study-mbbs.org
study-mirai.org
study-mode.org
study-more.org
study-net.org
study-next.org
study-nexus.org
study-nook.org

Next names

study-now.org
study-online.org
study-overseas.org
study-photography.org
study-planner.org
study-pods.org
study-poland.org
study-portal.org
study-power.org
study-programming.org
study-research.org
study-romania.org
study-russia.org
study-science.org
study-scout.org
study-scouts.org
study-shanghai.org
study-sidekick.org
study-skills.org

DNS History

6 records (6 active, 0 former)

NSjanet.ns.cloudflare.commatias.ns.cloudflare.comA104.21.88.177172.67.151.1892606:4700:3032::ac43:97bd2606:4700:3035::6815:58b1
●NSjanet.ns.cloudflare.com2026-09-13 → 2026-10-08 · 2 obs
● 2026-09-13 06:46:00
● 2026-10-08 02:12:38
●NSmatias.ns.cloudflare.com2026-09-13 → 2026-10-08 · 2 obs
● 2026-09-13 06:46:00
● 2026-10-08 02:12:38
●A104.21.88.1772026-09-13 → 2026-10-08 · 2 obs
● 2026-09-13 06:46:00
● 2026-10-08 02:12:38
●A172.67.151.1892026-09-13 → 2026-10-08 · 2 obs
● 2026-09-13 06:46:00
● 2026-10-08 02:12:38
●A2606:4700:3032::ac43:97bd2026-09-13 → 2026-10-08 · 2 obs
● 2026-09-13 06:46:00
● 2026-10-08 02:12:38
●A2606:4700:3035::6815:58b12026-09-13 → 2026-10-08 · 2 obs
● 2026-09-13 06:46:00
● 2026-10-08 02:12:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
study-notes.orgjanet.ns.cloudflare.com, matias.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.73

NS records: janet.ns.cloudflare.com, matias.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for study-notes.org (unsigned zone)

⏱️ Timing

Total: 820ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.88.177, 172.67.151.189
AAAA22606:4700:3032::ac43:97bd, 2606:4700:3035::6815:58b1
NS2janet.ns.cloudflare.com, matias.ns.cloudflare.com
TXT1google-site-verification=8hu2aSRV3KgWTDQ
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1janet.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

study-notes.org resolves to four IP addresses: 104.21.88.177, 172.67.151.189, 2606:4700:3032::ac43:97bd and 2606:4700:3035::6815:58b1.

Additional host names — sawasdeetranslation.org, tsincin-v-moyom-serdce.biz, brilliani.nl and two others — share IP numbers with study-notes.org.

Name Servers

study-notes.org is served by two delegated name servers, janet.ns.cloudflare.com and matias.ns.cloudflare.com.

study-notes.org shares its name server setup with other domains, including cl-events.pages.dev, lucakegor329.workers.dev, saps-p2-2025-weekly-spelling.pages.dev and two others.

study-notes.org has at least partial name server overlap with other domains, such as enduranceattitude.com, bro178wd9.site, robertpin.com and two others.

It is common to see these name servers used together with name servers ganz.ns.cloudflare.com and wells.ns.cloudflare.com.

Host names with 6 IP numbers:

janet.ns.cloudflare.com carries IP addresses 108.162.192.169, 172.64.32.169 and 173.245.58.169, with 3 other addresses beyond those.

matias.ns.cloudflare.com carries IP addresses 108.162.195.73, 162.159.44.73 and 172.64.35.73, with 3 other addresses beyond those.