`api.dev.studycat.com`

DNSSEC	⚠️ Not signed
NS	`ns-1155.awsdns-16.org` ⭐
		A	2600:9000:5304:8300::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1155.awsdns-16.org`
		A	205.251.196.131^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1155.awsdns-16.org`
NS	`ns-1781.awsdns-30.co.uk`
		A	2600:9000:5306:f500::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1781.awsdns-30.co.uk`
		A	205.251.198.245^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1781.awsdns-30.co.uk`
NS	`ns-242.awsdns-30.com`
		A	2600:9000:5300:f200::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-242.awsdns-30.com`
		A	205.251.192.242^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-242.awsdns-30.com`
NS	`ns-939.awsdns-53.net`
		A	2600:9000:5303:ab00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-939.awsdns-53.net`
		A	205.251.195.171^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-939.awsdns-53.net`
SOA	`ns-1155.awsdns-16.org`awsdns-hostmaster@amazon.com serial=1

`dev.studycat.com`

	DNSSEC	⚠️ Not signed
	NS	`ns-563.awsdns-06.net` ⭐
	NS	`ns-1307.awsdns-35.org`
	NS	`ns-1563.awsdns-03.co.uk`
	NS	`ns-248.awsdns-31.com`
	SOA	`ns-563.awsdns-06.net`awsdns-hostmaster@amazon.com serial=1

Subdomains

connect.api.dev.studycat.com

users.api.dev.studycat.com

Same first word

api.gy

api.limited

api.si

api.my

api.re.kr

api.click

api.tf

api.taxi

api.net

api.glitch.me

api.anz

api.in.ua

api.hk

api.ph

api.ie

api.ms.gov.br

api.design

api.solutions

api.cc

api.vacations

api.ah.cn

api.co.ke

api.be

api.gov.uk

api.tn

api.lecco.it

api.com.lb

api.co.il

api.in.th

api.edu.au

api.co.za

api.tc

api.tr

api.consulting

api.ag

api.beer

api.makeup

api.lk

api.fitness

api.tj

api.trycloudflare.com

api.com.br

api.co.rs

api.io.in

api.az

api.me.in

api.sa.gov.au

api.io

api.blue

api.mn

api.lv

api.nab

api.kinghost.net

api.co.ir

api.to

api.kitchen

api.theater

api.tl

api.woodside

api.ba

api.chat

api.nu

api.or.at

api.kz

api.box

api.com.tn

api.com.tw

api.services

api.adv.br

api.torino.it

api.email

api.autos

api.ro

api.support

api.org.kw

api.ad

api.org.br

api.cash

api.co.kr

api.space

api.vision

api.cool

api.im

api.education

api.market

api.bg

api.ci

api.ws

api.edu.co

api.hb.cn

api.net.pl

api.loan

api.today

api.dj

api.sc

api.pp.ua

api.biz.tr

api.co.nz

api.store

api.nhs.uk

Similar names

iap.ac.cn

api.management

pia.ru

pai.works

iap.kz

aip.com.bn

pia.kz

ipa.fi

ipa.co.uk

pai.video

pai.cx

aip.li

iap.co.uk

aip.me

iap.com.hk

pai.ch

iap.pl

aip.az

pai.lu

aip.ee

aip.vn

ipa.si

pai.co.il

aip.media

pai.es

aip.pl

iap.fr

aip.com.pe

aip.com.ph

pia.holdings

ipa.church

ipa.net.cn

iap.re

iap.kharkov.ua

pia.org.uk

ipa.com.my

aip.sk

aip.pythonanywhere.com

pia.jp

pia.com

iap.org.pl

aip.center

pia.gov.ng

ipa.edu.jo

iap.gr

aip.kz

pai.fr

ipa.ps

ipa.co.in

pai.si

ipa.ms.gov.br

ipa.solutions

pia.ie

ipa.gmbh

ipa.gr.jp

ipa.com.pk

ipa.com

aip.io

aip.edu.pa

DNS History

4 records (4 active, 0 former)

●NSns-1155.awsdns-16.org2026-03-31 → 2026-06-24 · 2 obs

● 2026-03-31 13:05:08
● 2026-06-24 08:25:26

●NSns-1781.awsdns-30.co.uk2026-03-31 → 2026-06-24 · 2 obs

● 2026-03-31 13:05:08
● 2026-06-24 08:25:26

●NSns-242.awsdns-30.com2026-03-31 → 2026-06-24 · 2 obs

● 2026-03-31 13:05:08
● 2026-06-24 08:25:26

●NSns-939.awsdns-53.net2026-03-31 → 2026-06-24 · 2 obs

● 2026-03-31 13:05:08
● 2026-06-24 08:25:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
studycat.com	clara.ns.cloudflare.com, maxim.ns.cloudflare.com	12 records
dev.studycat.com	ns-1307.awsdns-35.org, ns-1563.awsdns-03.co.uk, ns-248.awsdns-31.com, ns-563.awsdns-06.net	-
api.dev.studycat.com	ns-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: 1492ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1155.awsdns-16.org, ns-1781.awsdns-30.co.uk...`
SOA	1	`ns-1155.awsdns-16.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

api.dev.studycat.com is the parent domain of connect.api.dev.studycat.com and users.api.dev.studycat.com.

Name Servers

api.dev.studycat.com has four authoritative name servers: ns-242.awsdns-30.com, ns-939.awsdns-53.net, ns-1155.awsdns-16.org and ns-1781.awsdns-30.co.uk.

The name servers of api.dev.studycat.com overlap at least partially with those of other domains — among them elnusa-konstruksi.co.id, powellclark.com, 8.13.78.in-addr.arpa and two more.

Each of the four hosts ns-242.awsdns-30.com, ns-939.awsdns-53.net, ns-1155.awsdns-16.org and ns-1781.awsdns-30.co.uk has two IP addresses. ns-242.awsdns-30.com points to 205.251.192.242 and 2600:9000:5300:f200::1. ns-939.awsdns-53.net points to 205.251.195.171 and 2600:9000:5303:ab00::1. ns-1155.awsdns-16.org points to 205.251.196.131 and 2600:9000:5304:8300::1. ns-1781.awsdns-30.co.uk points to 205.251.198.245 and 2600:9000:5306:f500::1.

api.dev.studycat.com - dns.ninja