users.api.dev.studycat.com - dns.ninja

users.api.dev.studycat.com

DNSSEC⚠️ Not signed
A13.226.238.4🇺🇸 Amazon13.226.232.0/21 - Cloudfront
PTRserver-13-226-238-4.iad61.r.cloudfront.net
A13.226.238.28🇺🇸 Amazon13.226.232.0/21 - Cloudfront
A13.226.238.44🇺🇸 Amazon13.226.232.0/21 - Cloudfront
A13.226.238.72🇺🇸 Amazon13.226.232.0/21 - Cloudfront

api.dev.studycat.com

DNSSEC⚠️ Not signed
NSns-1155.awsdns-16.org ⭐
NSns-1781.awsdns-30.co.uk
NSns-242.awsdns-30.com
NSns-939.awsdns-53.net
SOAns-1155.awsdns-16.orgawsdns-hostmaster@amazon.com serial=1

Same first word

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users.info
users.de
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users.kz
users.me
users.se
users.nf
users.gr.jp
users.eu
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users.s3.amazonaws.com
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users.canva-apps.cn
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users.cat
users.su
users.com
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users.at
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users.pl
users.org.uk
users.pro
users.ro
users.my.id
users.services
users.la
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users.id.vn
users.net
users.cz

Similar names

resus.eu
ruses.ru
resus.com.au
resus.fr
reuss.co
russe.net
sersu.com
suser.com
sresu.asn.au
resus.se
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suser.no
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ruess.me
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sures.fr
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seusr.net
reuss.eu
suser.com.ar
serus.com
russe.nl
ssure.com
russe.org
resus.net
russe.ch
reuss.fr
resus.nl
reuss.in
russe.co.uk
resus.me
sesur.net
essur.com
resus.us
ersus.com
sures.ru
russe.cn
resus.co.kr
sures.org
ruess.co
seusr.com
sresu.com
reuss.com
reuss.cz
sures.com.uy
resus.be
ruess.us
seurs.art
eussr.eu
sures.top
ruess.photography
sseur.be
ruess.ch
suser.pl
ruses.cn
ruess.com
serus.nl
ruess.net
sseur.com
reuss.at
surse.com
ruess.at
sresu.me
resus.co
resus.com
sures.net
resus.ca
usesr.com
serus.ai
reuss.co.uk
ruess.biz
ressu.me
reuss.email
resus.co.jp
russe.de
resus.org.mt
serus.se
suser.de
sesur.com
sesur.es
eurss.com
suser.ru
russe.fr
ruses.de
russe.ru
serus.ro

DNS History

10 records (4 active, 6 former)

A13.226.238.2813.226.238.413.226.238.4413.226.238.723.65.141.12235.158.41.21452.28.157.7652.57.246.3563.181.76.16463.183.164.72
●A13.226.238.282026-06-24 → 2026-06-24 · 3 obs
○ 2026-06-16 15:49:22
● 2026-06-24 22:12:10
● 2026-06-24 22:12:14
●A13.226.238.42026-06-24 → 2026-06-24 · 3 obs
○ 2026-06-16 15:49:22
● 2026-06-24 22:12:10
● 2026-06-24 22:12:14
●A13.226.238.442026-06-24 → 2026-06-24 · 3 obs
○ 2026-06-16 15:49:22
● 2026-06-24 22:12:10
● 2026-06-24 22:12:14
●A13.226.238.722026-06-24 → 2026-06-24 · 3 obs
○ 2026-06-16 15:49:22
● 2026-06-24 22:12:10
● 2026-06-24 22:12:14
○A3.65.141.1222026-06-16 → 2026-06-16 · 4 obs
○ 2026-06-07 08:04:32
● 2026-06-16 15:49:22
○ 2026-06-24 22:12:10
○ 2026-06-24 22:12:14
○A35.158.41.2142026-06-07 → 2026-06-24 · 2 obs
○ 2026-06-07 08:04:32
○ 2026-06-24 22:12:14
○A52.28.157.762026-06-07 → 2026-06-07 · 3 obs
● 2026-06-07 08:04:32
○ 2026-06-16 15:49:22
○ 2026-06-24 22:12:14
○A52.57.246.352026-06-07 → 2026-06-24 · 2 obs
○ 2026-06-07 08:04:32
○ 2026-06-24 22:12:14
○A63.181.76.1642026-06-16 → 2026-06-16 · 4 obs
○ 2026-06-07 08:04:32
● 2026-06-16 15:49:22
○ 2026-06-24 22:12:10
○ 2026-06-24 22:12:14
○A63.183.164.722026-06-07 → 2026-06-07 · 3 obs
● 2026-06-07 08:04:32
○ 2026-06-16 15:49:22
○ 2026-06-24 22:12:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
studycat.comclara.ns.cloudflare.com, maxim.ns.cloudflare.com12 records
dev.studycat.comns-1307.awsdns-35.org, ns-1563.awsdns-03.co.uk, ns-248.awsdns-31.com, ns-563.awsdns-06.net-
api.dev.studycat.comns-1155.awsdns-16.org, ns-1781.awsdns-30.co.uk, ns-242.awsdns-30.com, ns-939.awsdns-53.net-

✅ Authoritative Response

Server:205.251.198.245

NS records: ns-1155.awsdns-16.org, ns-1781.awsdns-30.co.uk, ns-242.awsdns-30.com, ns-939.awsdns-53.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studycat.com (unsigned zone)

⏱️ Timing

Total: 3576ms | Queries: -

📄 Records

TypeCountSample Data
A413.226.238.4, 13.226.238.28...

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

users.api.dev.studycat.com directs to four IP numbers, which are 13.226.238.4, 13.226.238.28, 13.226.238.44 and 13.226.238.72.

Two other host names, along with d2amvmy3wylsuf.cloudfront.net, myheadachediary.org and 20009n.com, also share IP numbers with users.api.dev.studycat.com.