apps.courses - robtex.com

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=1775914949

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.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.fm
apps.nic.in
apps.gov.gr
apps.wien
apps.blogspot.cz
apps.gy
apps.st
apps.be
apps.fyi
apps.hu
apps.my.id
apps.cat
apps.ca
apps.ro
apps.jnj
apps.pr
apps.company
apps.directory
apps.tv
apps.toys
apps.vn
apps.bayern
apps.eu.com
apps.graphics
apps.kr
apps.pk
apps.pl
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.blue
apps.tax
apps.ladesk.com
apps.net
apps.crs
apps.ac.me
apps.exchange
apps.de
apps.uk
apps.gob.cl
apps.to
apps.org
apps.fox
apps.com
apps.plus
apps.net.pk
apps.canva-apps.cn
apps.me
apps.capital
apps.mg
apps.k12.mi.us
apps.fi
apps.sc
apps.by
apps.or.id
apps.walter
apps.gd
apps.com.my
apps.my
apps.cam
apps.dk
apps.kz

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
apsp.sk
sapp.org
pspa.org.pl
ppas.dk
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
psap.nl
ppas.pl
psap.ir
pasp.us
psap.gr
sapp.be
pspa.jp
sapp.com.mx
psap.co
sapp.asia
spap.fr
pspa.eu
pspa.dk
psap.cz
sapp.in
aspp.de
sppa.com
sapp.org.vn
paps.cn
apsp.it

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 → 2026-04-11 · 2 obs
● 2026-02-21 14:15:32
● 2026-04-11 18:40:30
●NSns2.domain.com2026-02-21 → 2026-04-11 · 2 obs
● 2026-02-21 14:15:32
● 2026-04-11 18:40:30
○MXinbound-smtp.us-west-2.amazonaws.com2026-02-21 → 2026-04-11 · 2 obs
○ 2026-02-21 14:15:32
○ 2026-04-11 18:40:30
○A185.230.63.1712026-02-21 → 2026-04-11 · 2 obs
○ 2026-02-21 14:15:32
○ 2026-04-11 18:40:30

🔍 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: 418ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 12

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

Analysis

Name Servers

Delegation for apps.courses rests with two name servers, ns1.domain.com and ns2.domain.com.

apps.courses shares the same name server setup as other domains, including c4comms.com, trilliumimpactassets.com, cognizeslc.net, ufcsydney.com and virtualguruz.com.

apps.courses at least partially shares name servers with other domains, for instance lifeguuru.com, two-weeks.com, itsallbs.org, casino-gorilla.ru and casino-rating2026.space.

these name servers are commonly used with ns3.domain.com, ns1.yourhostingaccount.com and ns2.yourhostingaccount.com.

Host names with one IP number: ns1.domain.com points to 172.64.52.73; ns2.domain.com points to 172.64.53.117.