osstudy.com - dns.ninja

osstudy.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:c471🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:2c41🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.44.65Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.196.113🇺🇸 Cloudflare172.67.192.0/20 , 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
NSernest.ns.cloudflare.com
A2606:4700:58::adf5:3ba4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRernest.ns.cloudflare.com
A2803:f800:50::6ca2:c1a4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRernest.ns.cloudflare.com
A2a06:98c1:50::ac40:21a4🇺🇸 Cloudflare2a06:98c1:50::/45
PTRernest.ns.cloudflare.com
A108.162.193.164🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRernest.ns.cloudflare.com
A172.64.33.164🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRernest.ns.cloudflare.com
A173.245.59.164🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRernest.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.44.65, 172.67.196.113
IPv6 hints2606:4700:3031::ac43:c471, 2606:4700:3037::6815:2c41
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=133, name=cloudflare-ech.com
SOAannalise.ns.cloudflare.comdns@cloudflare.com serial=2406615749

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1783862477

Same first word

osstudy.com

Similar names

studyos.com
studyso.at
studyso.agency
studyso.ua
sostudy.com

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSannalise.ns.cloudflare.comernest.ns.cloudflare.comns1.namecity.comns2.namecity.comA104.21.44.65172.67.196.1132606:4700:3031::ac43:c4712606:4700:3037::6815:2c412606:4700:3034::6815:2c412606:4700:3035::ac43:c47162.233.121.61
●NSannalise.ns.cloudflare.com2026-02-24 → 2026-07-12 · 3 obs
○ 2017-03-16 08:48:08
● 2026-02-24 02:26:02
● 2026-07-12 13:46:58
●NSernest.ns.cloudflare.com2026-02-24 → 2026-07-12 · 3 obs
○ 2017-03-16 08:48:08
● 2026-02-24 02:26:02
● 2026-07-12 13:46:58
○NSns1.namecity.com2015-06-17 → 2017-03-16 · 4 obs
● 2015-06-17 00:13:46
● 2017-03-16 08:48:08
○ 2026-02-24 02:26:02
○ 2026-07-12 13:46:58
○NSns2.namecity.com2015-11-16 → 2017-03-16 · 5 obs
○ 2015-06-17 00:13:46
● 2015-11-16 03:36:56
● 2017-03-16 08:48:08
○ 2026-02-24 02:26:02
○ 2026-07-12 13:46:58
●A104.21.44.652026-02-24 → 2026-07-12 · 3 obs
○ 2017-03-16 08:48:08
● 2026-02-24 02:26:02
● 2026-07-12 13:46:58
●A172.67.196.1132026-02-24 → 2026-07-12 · 3 obs
○ 2017-03-16 08:48:08
● 2026-02-24 02:26:02
● 2026-07-12 13:46:58
●A2606:4700:3031::ac43:c4712026-07-07 → 2026-07-12 · 3 obs
○ 2026-02-24 02:26:02
● 2026-07-07 21:51:16
● 2026-07-12 13:46:58
○A2606:4700:3034::6815:2c412026-02-24 → 2026-02-24 · 4 obs
○ 2017-03-16 08:48:08
● 2026-02-24 02:26:02
○ 2026-07-07 21:51:16
○ 2026-07-12 13:46:58
○A2606:4700:3035::ac43:c4712026-02-24 → 2026-02-24 · 4 obs
○ 2017-03-16 08:48:08
● 2026-02-24 02:26:02
○ 2026-07-07 21:51:16
○ 2026-07-12 13:46:58
●A2606:4700:3037::6815:2c412026-07-07 → 2026-07-12 · 3 obs
○ 2026-02-24 02:26:02
● 2026-07-07 21:51:16
● 2026-07-12 13:46:58
○A62.233.121.612015-06-17 → 2017-03-16 · 4 obs
● 2015-06-17 00:13:46
● 2017-03-16 08:48:08
○ 2026-02-24 02:26:02
○ 2026-07-12 13:46:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net...-
osstudy.comernest.ns.cloudflare.com, annalise.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.164

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for osstudy.com (unsigned zone)

⏱️ Timing

Total: 192ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.196.113, 104.21.44.65
AAAA22606:4700:3031::ac43:c471, 2606:4700:3037::6815:2c41
NS2annalise.ns.cloudflare.com, ernest.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1annalise.ns.cloudflare.com dns.cloudflar

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ernest.ns.cloudflare.com, ernest.ns.cloudflare.com, ernest.ns.cloudflare.com...)

Analysis

IP Addresses

osstudy.com has four IP addresses: 104.21.44.65, 172.67.196.113, 2606:4700:3031::ac43:c471 and 2606:4700:3037::6815:2c41.

Additional host names — ebayse.com, cdn.muzbab.net, zukipid5n5567ryxwrfl6mwi.fzx999.com and two others — share IP numbers with osstudy.com.

Name Servers

osstudy.com uses two name servers for its delegation: annalise.ns.cloudflare.com and ernest.ns.cloudflare.com.

osstudy.com shares its name server setup with other domains, including uutto.com, czhechuan.com, zssjb.com and two others.

osstudy.com partially shares its NS delegation with several other domains, including chonlateevip.com, eliteedgegym.com, hogroastnorthcheam.co.uk and two others.

These name servers are regularly seen alongside coco.ns.cloudflare.com and noah.ns.cloudflare.com as name servers.

Host names with 6 IP numbers:

Hostname annalise.ns.cloudflare.com directs to 108.162.194.234, 162.159.38.234 and 172.64.34.234 along with 3 other IP addresses.

Hostname ernest.ns.cloudflare.com directs to 108.162.193.164, 172.64.33.164 and 173.245.59.164 along with 3 other IP addresses.