studyds.com - robtex.com

studyds.com

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:f6a🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:a22d🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.15.106Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.162.45🇺🇸 Cloudflare172.67.160.0/20 , 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
NSrene.ns.cloudflare.com
A2606:4700:58::a29f:2cb4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrene.ns.cloudflare.com
A2803:f800:50::6ca2:c3b4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrene.ns.cloudflare.com
A2a06:98c1:50::ac40:23b4🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrene.ns.cloudflare.com
A108.162.195.180🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrene.ns.cloudflare.com
A162.159.44.180Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrene.ns.cloudflare.com
A172.64.35.180🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrene.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.15.106, 172.67.162.45
IPv6 hints2606:4700:3037::6815:f6a, 2606:4700:3037::ac43:a22d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=234, name=cloudflare-ech.com
SOAhazel.ns.cloudflare.comdns@cloudflare.com serial=2399143459

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=1775957292

Same first word

studyds.com

DNS History

10 records (6 active, 4 former)

20162017201820192020202120222023202420252026NShazel.ns.cloudflare.comrene.ns.cloudflare.comdns10.hichina.comdns9.hichina.comA104.21.15.106172.67.162.452606:4700:3037::6815:f6a2606:4700:3037::ac43:a22d115.28.58.48120.77.249.78
○NSdns10.hichina.com2015-12-31 → 2020-01-30 · 4 obs
● 2015-12-31 05:07:06
● 2020-01-30 12:49:34
○ 2026-04-10 00:44:46
○ 2026-04-12 01:49:40
○NSdns9.hichina.com2015-12-31 → 2020-01-30 · 4 obs
● 2015-12-31 05:07:06
● 2020-01-30 12:49:34
○ 2026-04-10 00:44:46
○ 2026-04-12 01:49:40
●NShazel.ns.cloudflare.com2026-04-10 → 2026-04-12 · 3 obs
○ 2020-01-30 12:49:34
● 2026-04-10 00:44:46
● 2026-04-12 01:49:40
●NSrene.ns.cloudflare.com2026-04-10 → 2026-04-12 · 3 obs
○ 2020-01-30 12:49:34
● 2026-04-10 00:44:46
● 2026-04-12 01:49:40
●A104.21.15.1062026-04-10 → 2026-04-12 · 3 obs
○ 2020-01-30 12:49:34
● 2026-04-10 00:44:46
● 2026-04-12 01:49:40
○A115.28.58.482016-04-23 → 2016-04-23 · 3 obs
● 2016-04-23 23:52:50
○ 2017-03-21 09:30:28
○ 2026-04-12 01:49:40
○A120.77.249.782020-01-30 → 2020-01-30 · 4 obs
○ 2017-03-21 09:30:28
● 2020-01-30 12:49:34
○ 2026-04-10 00:44:46
○ 2026-04-12 01:49:40
●A172.67.162.452026-04-10 → 2026-04-12 · 3 obs
○ 2020-01-30 12:49:34
● 2026-04-10 00:44:46
● 2026-04-12 01:49:40
●A2606:4700:3037::6815:f6a2026-04-10 → 2026-04-12 · 3 obs
○ 2020-01-30 12:49:34
● 2026-04-10 00:44:46
● 2026-04-12 01:49:40
●A2606:4700:3037::ac43:a22d2026-04-10 → 2026-04-12 · 3 obs
○ 2020-01-30 12:49:34
● 2026-04-10 00:44:46
● 2026-04-12 01:49:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net...-
studyds.comhazel.ns.cloudflare.com, rene.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.180

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyds.com (unsigned zone)

⏱️ Timing

Total: 298ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.162.45, 104.21.15.106
AAAA22606:4700:3037::6815:f6a, 2606:4700:3037::ac43:a22d
NS2hazel.ns.cloudflare.com, rene.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1hazel.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

studyds.com resolves to four IP numbers: 2606:4700:3037::6815:f6a, 2606:4700:3037::ac43:a22d, 104.21.15.106 and 172.67.162.45.

other host names for instance ztzb.net, bjxqgs.com, ea-heizoel.de, mail2.cica.in and mayacruises.com share IP numbers with studyds.com.

Name Servers

studyds.com is delegated to two name servers: hazel.ns.cloudflare.com and rene.ns.cloudflare.com.

studyds.com shares the same name server setup as other domains, for example qhdayubuluo.com, jytcjx.com, hebtlwl.com, hfqd888.com and gzgled.com.

studyds.com at least partially shares name servers with other domains, for instance koebisdreieck.de, tram.cat, shadesnightclub.com, greygroupcreative.com and amecro.org.ar.

These name servers are commonly used with dakota.ns.cloudflare.com, tanner.ns.cloudflare.com and yichun.ns.cloudflare.com.

Host names with six IP numbers:

hazel.ns.cloudflare.com points to: 2606:4700:50::a29f:269d, 2803:f800:50::6ca2:c29d, 2a06:98c1:50::ac40:229d, 108.162.194.157, 162.159.38.157 and 172.64.34.157; rene.ns.cloudflare.com points to: 2606:4700:58::a29f:2cb4, 2803:f800:50::6ca2:c3b4, 2a06:98c1:50::ac40:23b4, 108.162.195.180, 162.159.44.180 and 172.64.35.180.