rtstudyguide.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

rtstudyguide.com

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:8502🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:537🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.5.55Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.133.2🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdelilah.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2663🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdelilah.ns.cloudflare.com
A2803:f800:50::6ca2:c263🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdelilah.ns.cloudflare.com
A2a06:98c1:50::ac40:2263🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdelilah.ns.cloudflare.com
A108.162.194.99🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdelilah.ns.cloudflare.com
A162.159.38.99Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdelilah.ns.cloudflare.com
A172.64.34.99🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdelilah.ns.cloudflare.com
NSyadiel.ns.cloudflare.com
A2606:4700:58::a29f:2c04🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyadiel.ns.cloudflare.com
A2803:f800:50::6ca2:c304🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRyadiel.ns.cloudflare.com
A2a06:98c1:50::ac40:2304🇺🇸 Cloudflare2a06:98c1:50::/45
PTRyadiel.ns.cloudflare.com
A108.162.195.4🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyadiel.ns.cloudflare.com
A162.159.44.4Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyadiel.ns.cloudflare.com
A172.64.35.4🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyadiel.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.5.55, 172.67.133.2
IPv6 hints2606:4700:3034::ac43:8502, 2606:4700:3035::6815:537
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=229, name=cloudflare-ech.com
SOAdelilah.ns.cloudflare.comdns@cloudflare.com serial=2418699958

com

DNSSEC⚠️ Not signed
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=1794529611

Same first word

rtstudyguide.com

Previous names

rtstuart.com
rtstucco.com
rtstuccoandstone.com
rtstuccopro.com
rtstudents.com
rtstudia.com
rtstudio.com
rtstudiocreation.com
rtstudiodesign.com
rtstudiodigital.com
rtstudiolab.com
rtstudiolegale.com
rtstudiome.com
rtstudiomimarlik.com
rtstudios-ad.com
rtstudiotreviglio.com
rtstudioxcode.com
rtstudy.com

Next names

rtstudyguides.com
rtstudyhall.com
rtstuf.com
rtstuff.com
rtstump.com
rtstv.com
rtstvapk.com
rtstvhub.com
rtstxlogistics.com
rtstyk.com
rtstyle.com
rtstyleanddesign.com
rtstyles.com
rtstyling.com
rtstyre.com
rtsu-kultur-medien.com
rtsu.com
rtsuae.com

DNS History

10 records (6 active, 4 former)

NSdelilah.ns.cloudflare.comyadiel.ns.cloudflare.comA104.21.5.55172.67.133.22606:4700:3034::ac43:85022606:4700:3035::6815:537188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSdelilah.ns.cloudflare.com2026-10-29 → 2026-11-13 · 2 obs
● 2026-10-29 04:10:16
● 2026-11-13 00:49:30
●NSyadiel.ns.cloudflare.com2026-10-29 → 2026-11-13 · 2 obs
● 2026-10-29 04:10:16
● 2026-11-13 00:49:30
●A104.21.5.552026-11-13 → 2026-11-13 · 3 obs
○ 2026-10-29 04:10:16
● 2026-11-13 00:37:10
● 2026-11-13 00:49:30
●A172.67.133.22026-11-13 → 2026-11-13 · 3 obs
○ 2026-10-29 04:10:16
● 2026-11-13 00:37:10
● 2026-11-13 00:49:30
○A188.114.96.02026-10-29 → 2026-10-29 · 3 obs
● 2026-10-29 04:10:16
○ 2026-11-13 00:37:10
○ 2026-11-13 00:49:30
○A188.114.97.02026-10-29 → 2026-10-29 · 3 obs
● 2026-10-29 04:10:16
○ 2026-11-13 00:37:10
○ 2026-11-13 00:49:30
●A2606:4700:3034::ac43:85022026-11-13 → 2026-11-13 · 3 obs
○ 2026-10-29 04:10:16
● 2026-11-13 00:37:10
● 2026-11-13 00:49:30
●A2606:4700:3035::6815:5372026-11-13 → 2026-11-13 · 3 obs
○ 2026-10-29 04:10:16
● 2026-11-13 00:37:10
● 2026-11-13 00:49:30
○A2a06:98c1:3120::2026-10-29 → 2026-10-29 · 3 obs
● 2026-10-29 04:10:16
○ 2026-11-13 00:37:10
○ 2026-11-13 00:49:30
○A2a06:98c1:3121::2026-10-29 → 2026-10-29 · 3 obs
● 2026-10-29 04:10:16
○ 2026-11-13 00:37:10
○ 2026-11-13 00:49:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
rtstudyguide.comdelilah.ns.cloudflare.com, yadiel.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.99

NS records: delilah.ns.cloudflare.com, yadiel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtstudyguide.com (unsigned zone)

⏱️ Timing

Total: 573ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.133.2, 104.21.5.55
AAAA22606:4700:3035::6815:537, 2606:4700:3034::ac43:8502
NS2delilah.ns.cloudflare.com, yadiel.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1delilah.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

rtstudyguide.com directs to four IP numbers, which are 104.21.5.55, 172.67.133.2, 2606:4700:3034::ac43:8502 and 2606:4700:3035::6815:537.

knifedhour.click, xl3f8zz.com, kinomanija.lt and two other host names share IP numbers with rtstudyguide.com.

Name Servers

rtstudyguide.com uses two name servers for its delegation: delilah.ns.cloudflare.com and yadiel.ns.cloudflare.com.

rtstudyguide.com uses the same name servers as several other domains — among them hillstats.org, frenchcrepe.com, buveszkartya.hu and two more.

There is at least partial name server overlap between rtstudyguide.com and other domains — ahorastam1.pages.dev, sridhar-d13.workers.dev, partandfiltersho.shop and two more among them.

These name servers tend to appear in combination with the name servers josh.ns.cloudflare.com, clara.ns.cloudflare.com, harvey.ns.cloudflare.com and neil.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname delilah.ns.cloudflare.com directs to 108.162.194.99, 162.159.38.99 and 172.64.34.99 along with 3 other IP addresses.

Hostname yadiel.ns.cloudflare.com directs to 108.162.195.4, 162.159.44.4 and 172.64.35.4 along with 3 other IP addresses.