openstudy.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

openstudy.dev

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:13bd🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:bc8f🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.19.189Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.188.143🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSisaac.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bb1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRisaac.ns.cloudflare.com
A2803:f800:50::6ca2:c1b1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRisaac.ns.cloudflare.com
A2a06:98c1:50::ac40:21b1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRisaac.ns.cloudflare.com
A108.162.193.177🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRisaac.ns.cloudflare.com
A172.64.33.177🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRisaac.ns.cloudflare.com
A173.245.59.177🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRisaac.ns.cloudflare.com
NSsneh.ns.cloudflare.com
A2606:4700:50::a29f:26a2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsneh.ns.cloudflare.com
A2803:f800:50::6ca2:c2a2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsneh.ns.cloudflare.com
A2a06:98c1:50::ac40:22a2🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsneh.ns.cloudflare.com
A108.162.194.162🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsneh.ns.cloudflare.com
A162.159.38.162Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsneh.ns.cloudflare.com
A172.64.34.162🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsneh.ns.cloudflare.com
MXfwd1.porkbun.com ⭐
A44.226.226.6🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix
PTRfwd1.porkbun.com
MXfwd2.porkbun.com(20)
A52.10.201.111🇺🇸 Amazon52.10.0.0/15 EC2 PDX Prefix
PTRfwd2.porkbun.com
TXTgoogle-site-verification=B2Z2q3eZn8iCIFKGcbNH_6b9UPOVe3YNzD0aV_kcgJw
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.19.189, 172.67.188.143
IPv6 hints2606:4700:3033::6815:13bd, 2606:4700:3037::ac43:bc8f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=94, name=cloudflare-ech.com
SOAisaac.ns.cloudflare.comdns@cloudflare.com serial=2413018829

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

openstudy.in
openstudy.ru
openstudy.org
openstudy.pages.dev
openstudy.org.ua
openstudy.net
openstudy.com.au
openstudy.uz
openstudy.de
openstudy.com
openstudy.dev
openstudy.vn
openstudy.me
openstudy.ai
openstudy.ro
openstudy.com.cn
openstudy.io.vn
openstudy.co.uk

Similar names

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studyopen.ru
typesound.app
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soundtype.com
soundtype.xyz
dostupnye.ru
soundtype.ai
soundtype.co
studyopen.com
studyopen.top

Previous names

opensovereign.dev
opensovran.dev
opensovren.dev
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openspec.dev
openspeech.dev
opensponsor.dev
openstacks.dev
openstar.dev
openstarter.dev
openstarterkit.dev
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openstatus.dev
openstone.dev
openstorm.dev
openstr.dev
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openstratum.dev
openstroke.dev
opensts.dev

Next names

openstudycollege.dev
opensuite.dev
opensurd.dev
opensure.dev
opensurvey.dev
openswing.dev
opensymbols.dev
opensynth.dev
opensynthesis.dev
opent.dev
openta.dev
opentab.dev
opentabs.dev
opentailored.dev
opentale.dev
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opentap.dev
opentaptap.dev
opentcad.dev

DNS History

8 records (8 active, 0 former)

NSisaac.ns.cloudflare.comsneh.ns.cloudflare.comMXfwd1.porkbun.comfwd2.porkbun.comA104.21.19.189172.67.188.1432606:4700:3033::6815:13bd2606:4700:3037::ac43:bc8f
●NSisaac.ns.cloudflare.com2026-09-02 → 2026-09-04 · 2 obs
● 2026-09-02 01:24:40
● 2026-09-04 01:47:50
●NSsneh.ns.cloudflare.com2026-09-02 → 2026-09-04 · 2 obs
● 2026-09-02 01:24:40
● 2026-09-04 01:47:50
●MXfwd1.porkbun.com2026-09-02 → 2026-09-04 · 2 obs
● 2026-09-02 01:24:40
● 2026-09-04 01:47:50
●MXfwd2.porkbun.com2026-09-02 → 2026-09-04 · 2 obs
● 2026-09-02 01:24:40
● 2026-09-04 01:47:50
●A104.21.19.1892026-09-02 → 2026-09-04 · 2 obs
● 2026-09-02 01:24:40
● 2026-09-04 01:47:50
●A172.67.188.1432026-09-02 → 2026-09-04 · 2 obs
● 2026-09-02 01:24:40
● 2026-09-04 01:47:50
●A2606:4700:3033::6815:13bd2026-09-02 → 2026-09-04 · 2 obs
● 2026-09-02 01:24:40
● 2026-09-04 01:47:50
●A2606:4700:3037::ac43:bc8f2026-09-02 → 2026-09-04 · 2 obs
● 2026-09-02 01:24:40
● 2026-09-04 01:47:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...-
openstudy.devisaac.ns.cloudflare.com, sneh.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.162

NS records: isaac.ns.cloudflare.com, sneh.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openstudy.dev (unsigned zone)

⏱️ Timing

Total: 2014ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.188.143, 104.21.19.189
AAAA22606:4700:3033::6815:13bd, 2606:4700:3037::ac43:bc8f
NS2isaac.ns.cloudflare.com, sneh.ns.cloudflare.com
MX2fwd1.porkbun.com (pri: 10), fwd2.porkbun.com (pri: 20)
TXT1google-site-verification=B2Z2q3eZn8iCIFK
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1isaac.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

openstudy.dev resolves to four IP addresses: 104.21.19.189, 172.67.188.143, 2606:4700:3033::6815:13bd and 2606:4700:3037::ac43:bc8f.

Additional host names — freudtools.nl, vadicasinoguncel.click, spbojef.com and two others — share IP numbers with openstudy.dev.

Name Servers

openstudy.dev has two authoritative name servers — isaac.ns.cloudflare.com and sneh.ns.cloudflare.com.

openstudy.dev shares its name server setup with other domains, including linkconnect.pages.dev, nft-xyz.pages.dev, productsimply.com and two others.

openstudy.dev shares at least some of its name servers with other domains, including kaf-zeus.workers.dev, lalilulelo.xyz, blastbags.com and two others.

These name servers are frequently paired with the name servers stan.ns.cloudflare.com and adaline.ns.cloudflare.com.

Host names with 6 IP numbers:

isaac.ns.cloudflare.com points to 108.162.193.177, 172.64.33.177, 173.245.59.177 and 3 other IP addresses.

sneh.ns.cloudflare.com points to 108.162.194.162, 162.159.38.162, 172.64.34.162 and 3 other IP addresses.

Mail Servers

openstudy.dev has two mail servers: fwd1.porkbun.com and fwd2.porkbun.com.

openstudy.dev shares the same mail server setup as other domains, including deviantprints.shop, ipwhenisneeze.com, k9guardiansonthegreen.com and two others.

openstudy.dev shares at least some of its mail servers with other domains, such as dbosinsights.com and hustlogistics.com.

fwd1.porkbun.com and fwd2.porkbun.com each resolve to one IP number: fwd1.porkbun.com points to 44.226.226.6 and fwd2.porkbun.com points to 52.10.201.111.