apps.courses - dns.ninja

apps.courses

DNSSEC⚠️ Not signed
NSns1.domain.com ⚠️ Not in zone NS records
A172.64.52.73🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.domain.com ⚠️ Not in zone NS records
A172.64.53.117🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US

courses

DNSSEC🔒 Signed (DS record present)
NSa.nic.courses ⭐
NSb.nic.courses
NSc.nic.courses
NSx.nic.courses
NSy.nic.courses
NSz.nic.courses
SOAa.nic.coursesadmin@tldns.godaddy serial=1785824503
⚠️ On DNS blocklist: spam-tlds

Same first word

apps.org.pe
apps.ph
apps.lv
apps.foundation
apps.koeln
apps.in.th
apps.info
apps.digital
apps.ac
apps.li
apps.teva
apps.pro
apps.poker
apps.cl
apps.mil
apps.tm
apps.education
apps.lu
apps.windows
apps.link
apps.auth.us-east-1.amazoncognito.com
apps.golf
apps.neustar
apps.is
apps.group
apps.it
apps.cn
apps.guru
apps.fm
apps.nic.in
apps.gov.gr
apps.wien
apps.blogspot.cz
apps.gy
apps.dev
apps.st
apps.be
apps.fyi
apps.hu
apps.ci
apps.ap.gov.br
apps.my.id
apps.cat
apps.ca
apps.gov.tl
apps.ro
apps.jnj
apps.pr
apps.company
apps.health
apps.directory
apps.tv
apps.toys
apps.vn
apps.bayern
apps.eu.com
apps.graphics
apps.js.cn
apps.kr
apps.pk
apps.pl
apps.com.do
apps.nl
apps.no
apps.se
apps.gov.in
apps.lgbt
apps.gc.ca
apps.im
apps.co.id
apps.cz
apps.al
apps.com.br
apps.media
apps.5g.in
apps.city
apps.et
apps.boutique
apps.tax
apps.ladesk.com
apps.net
apps.crs
apps.ac.me
apps.gov.vn
apps.nhs.uk
apps.exchange
apps.com.mx
apps.de
apps.uk
apps.gob.cl
apps.to
apps.org
apps.fox
apps.com
apps.plus
apps.net.pk
apps.police.uk
apps.canva-apps.cn
apps.me
apps.capital

Similar names

sapp.ir
apsp.co.uk
apsp.biz
sapp.fr
pasp.cn
ppsa.ru
pspa.gr
sapp.cn
sapp.io
sapp.dk
pasp.com.cn
spap.pl
sapp.eu
pspa.com.pl
aspp.cz
aspp.pt
psap.org
spap.org.pl
pspa.com.au
pasp.com.br
psap.ca
pasp.com
ppas.in
ppas.com.ua
sppa.gov.uk
pasp.gov.do
apsp.pro
paps.ch
aspp.com.mx
apsp.sk
sapp.org
pspa.org.pl
ppas.dk
aspp.com.ua
sapp.mw
sapp.es
aspp.com
paps.fr
paps.ph
psap.cl
pspa.md
paps.it
spap.de
spap.com.mx
pasp.org.cy
sppa.ch
aspp.org
sapp.gob.hn
ppsa.org.ph
sapp.nl
psap.nl
ppas.pl
psap.ir
pspa.org.br
pasp.us
psap.gr
sapp.be
pspa.jp
sapp.com.mx
psap.co
sapp.asia
spap.fr
pspa.eu
pspa.dk
psap.cz

DNS History

4 records (2 active, 2 former)

NSns1.domain.comns2.domain.comMXinbound-smtp.us-west-2.amazonaws.comA185.230.63.171
●NSns1.domain.com2026-02-21 → 2026-08-04 · 2 obs
● 2026-02-21 14:15:32
● 2026-08-04 07:06:54
●NSns2.domain.com2026-02-21 → 2026-08-04 · 2 obs
● 2026-02-21 14:15:32
● 2026-08-04 07:06:54
○MXinbound-smtp.us-west-2.amazonaws.com2026-02-21 → 2026-08-04 · 2 obs
○ 2026-02-21 14:15:32
○ 2026-08-04 07:06:54
○A185.230.63.1712026-02-21 → 2026-08-04 · 2 obs
○ 2026-02-21 14:15:32
○ 2026-08-04 07:06:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coursesz.nic.courses, b.nic.courses, x.nic.courses, y.nic.courses...12 records
apps.coursesns1.domain.com, ns2.domain.com-

✅ Authoritative Response

Server:172.64.52.73

NS records: ns1.domain.com, ns2.domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for apps.courses (unsigned zone)

⏱️ Timing

Total: 399ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (z.nic.courses, z.nic.courses, b.nic.courses...)

Analysis

Name Servers

apps.courses is delegated to two name servers: ns1.domain.com and ns2.domain.com.

apps.courses uses the same name servers as several other domains — among them medascendsystems.com, c4comms.com, trilliumimpactassets.com and two more.

The name servers of apps.courses overlap at least partially with those of other domains — among them lordfilm-sfx.ru, lifeguuru.com, kilbournepaving.com and two more.

It is common to find these name servers alongside the name servers ns3.domain.com, ns1.yourhostingaccount.com, ns2.yourhostingaccount.com and two others.

Both ns1.domain.com and ns2.domain.com have a single IP address each — ns1.domain.com resolves to 172.64.52.73 while ns2.domain.com resolves to 172.64.53.117.