studyum.io - dns.ninja

studyum.io

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:4a02🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:c236🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.74.2Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.194.54🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSitzel.ns.cloudflare.com ⭐
A2606:4700:50::a29f:262a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRitzel.ns.cloudflare.com
A2803:f800:50::6ca2:c22a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRitzel.ns.cloudflare.com
A2a06:98c1:50::ac40:222a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRitzel.ns.cloudflare.com
A108.162.194.42🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRitzel.ns.cloudflare.com
A162.159.38.42Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRitzel.ns.cloudflare.com
A172.64.34.42🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRitzel.ns.cloudflare.com
NSwatson.ns.cloudflare.com
A2606:4700:58::a29f:2c17🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwatson.ns.cloudflare.com
A2803:f800:50::6ca2:c317🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRwatson.ns.cloudflare.com
A2a06:98c1:50::ac40:2317🇺🇸 Cloudflare2a06:98c1:50::/45
PTRwatson.ns.cloudflare.com
A108.162.195.23🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwatson.ns.cloudflare.com
A162.159.44.23Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwatson.ns.cloudflare.com
A172.64.35.23🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwatson.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.74.2, 172.67.194.54
IPv6 hints2606:4700:3032::6815:4a02, 2606:4700:3035::ac43:c236
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=97, name=cloudflare-ech.com
SOAitzel.ns.cloudflare.comdns@cloudflare.com serial=2410325917

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1785272006

Subdomains

www.studyum.io

Same first word

studyum.store
studyum.io

Similar names

mustudy.net
umstudy.com
mustudy.com

DNS History

14 records (6 active, 8 former)

20192020202120222023202420252026NSitzel.ns.cloudflare.comwatson.ns.cloudflare.comns1.nfoservers.comns2.nfoservers.comns3.nfoservers.comMXmail.nfoservers.commail2.nfoservers.comA104.21.74.2172.67.194.542606:4700:3032::6815:4a022606:4700:3035::ac43:c2362606:4700:3030::ac43:c2362606:4700:3035::6815:4a0272.5.53.8
●NSitzel.ns.cloudflare.com2026-03-24 → 2026-07-28 · 3 obs
○ 2018-12-29 14:19:04
● 2026-03-24 02:59:16
● 2026-07-28 21:24:50
○NSns1.nfoservers.com2018-12-29 → 2018-12-29 · 3 obs
● 2018-12-29 14:19:04
○ 2026-03-24 02:59:16
○ 2026-07-28 21:24:50
○NSns2.nfoservers.com2018-12-29 → 2018-12-29 · 3 obs
● 2018-12-29 14:19:04
○ 2026-03-24 02:59:16
○ 2026-07-28 21:24:50
○NSns3.nfoservers.com2018-12-29 → 2018-12-29 · 3 obs
● 2018-12-29 14:19:04
○ 2026-03-24 02:59:16
○ 2026-07-28 21:24:50
●NSwatson.ns.cloudflare.com2026-03-24 → 2026-07-28 · 3 obs
○ 2018-12-29 14:19:04
● 2026-03-24 02:59:16
● 2026-07-28 21:24:50
○MXmail.nfoservers.com2018-12-29 → 2018-12-29 · 3 obs
● 2018-12-29 14:19:04
○ 2026-03-24 02:59:16
○ 2026-07-28 21:24:50
○MXmail2.nfoservers.com2018-12-29 → 2018-12-29 · 3 obs
● 2018-12-29 14:19:04
○ 2026-03-24 02:59:16
○ 2026-07-28 21:24:50
●A104.21.74.22026-03-24 → 2026-07-28 · 3 obs
○ 2018-12-29 14:19:04
● 2026-03-24 02:59:16
● 2026-07-28 21:24:50
●A172.67.194.542026-03-24 → 2026-07-28 · 3 obs
○ 2018-12-29 14:19:04
● 2026-03-24 02:59:16
● 2026-07-28 21:24:50
○A2606:4700:3030::ac43:c2362026-03-24 → 2026-06-10 · 5 obs
○ 2018-12-29 14:19:04
● 2026-03-24 02:59:16
● 2026-06-10 23:31:34
○ 2026-06-23 09:30:06
○ 2026-07-28 21:24:50
●A2606:4700:3032::6815:4a022026-06-23 → 2026-07-28 · 3 obs
○ 2026-06-10 23:31:34
● 2026-06-23 09:30:06
● 2026-07-28 21:24:50
○A2606:4700:3035::6815:4a022026-03-24 → 2026-06-10 · 5 obs
○ 2018-12-29 14:19:04
● 2026-03-24 02:59:16
● 2026-06-10 23:31:34
○ 2026-06-23 09:30:06
○ 2026-07-28 21:24:50
●A2606:4700:3035::ac43:c2362026-06-23 → 2026-07-28 · 3 obs
○ 2026-06-10 23:31:34
● 2026-06-23 09:30:06
● 2026-07-28 21:24:50
○A72.5.53.82018-12-29 → 2018-12-29 · 3 obs
● 2018-12-29 14:19:04
○ 2026-03-24 02:59:16
○ 2026-07-28 21:24:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioc0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io8 records
studyum.iowatson.ns.cloudflare.com, itzel.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.42

NS records: watson.ns.cloudflare.com, itzel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyum.io (unsigned zone)

⏱️ Timing

Total: 337ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.74.2, 172.67.194.54
AAAA22606:4700:3032::6815:4a02, 2606:4700:3035::ac43:c236
NS2itzel.ns.cloudflare.com, watson.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1itzel.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (c0.nic.io, c0.nic.io, a2.nic.io...)

Analysis

Hierarchy

studyum.io serves as the parent of www.studyum.io.

IP Addresses

studyum.io resolves to four IP addresses: 104.21.74.2, 172.67.194.54, 2606:4700:3032::6815:4a02 and 2606:4700:3035::ac43:c236.

talalayfilms.com, dytyqc.com, revns.com plus two other host names have IP numbers in common with studyum.io.

Name Servers

DNS delegation for studyum.io points to two name servers: itzel.ns.cloudflare.com and watson.ns.cloudflare.com.

The name server configuration of studyum.io is shared with other domains, for instance gmnc.krd, kring-apotheekhessen.nl, solutiontioster.com and two others.

studyum.io has at least partial name server overlap with other domains, such as 8figuresecret.com, txlaorcdepository.com, celeblounge.net and two others.

These name servers tend to appear together with the name servers rory.ns.cloudflare.com, nola.ns.cloudflare.com and santino.ns.cloudflare.com.

Hosts with 6 IP addresses each:

itzel.ns.cloudflare.com has IP addresses 108.162.194.42, 162.159.38.42 and 172.64.34.42, plus 3 other.

watson.ns.cloudflare.com has IP addresses 108.162.195.23, 162.159.44.23 and 172.64.35.23, plus 3 other.