offcourse.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

offcourse.dev

DNSSEC⚠️ Not signed
A76.76.21.21🇺🇸 Amazon76.76.21.0/24 EC2 Prefix
NSdns1.registrar-servers.com ⭐
A2610:a1:1024::200🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
A156.154.132.200🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
NSdns2.registrar-servers.com
A2610:a1:1025::200🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com
A156.154.133.200🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com
SOAdns1.registrar-servers.comhostmaster@registrar-servers.com serial=1774716305

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

offcourse.me
offcourse.ca
offcourse.app
offcourse.au
offcourse.edu.pl
offcourse.de
offcourse.com.br
offcourse.pl
offcourse.jp
offcourse.id
offcourse.vercel.app
offcourse.cloud
offcourse.ai
offcourse.us
offcourse.fr
offcourse.cc
offcourse.co
offcourse.buzz
offcourse.net
offcourse.dev
offcourse.com.au
offcourse.nl
offcourse.guide
offcourse.my
offcourse.uk
offcourse.org
offcourse.shop
offcourse.golf
offcourse.eu
offcourse.com.tr
offcourse.work
offcourse.world
offcourse.io
offcourse.dk
offcourse.now.sh
offcourse.bike
offcourse.info
offcourse.se
offcourse.co.in
offcourse.co.uk
offcourse.no
offcourse.biz
offcourse.be
offcourse.com

Similar names

fofcourse.com
courseoff.vercel.app
offsource.nl
scufferoo.com
offsource.com
courseoff.ph
offsource.co
offsource.workers.dev
offsource.eu
fofsource.com
freofocus.com
courseoff.com
freofocus.com.au
offsource.io
offsource.tech
forefocus.com

Previous names

offboard.dev
offbook.dev
offbox.dev
offbrain.dev
offbrand.dev
offbynone.dev
offbyone.dev
offbyonelabs.dev
offbypi.dev
offbyzero.dev
offcall.dev
offcampus.dev
offcanvas.dev
offcart.dev
offcell.dev
offchain.dev
offchart.dev
offclock.dev
offcloud.dev
offconstruct.dev

Next names

offcourt.dev
offcut.dev
offcuts.dev
offday.dev
offdeck.dev
offdesk.dev
offduty.dev
offen.dev
offender.dev
offenderlocator.dev
offenders.dev
offensive.dev
offensivenetworking.dev
offensivesecurity.dev
offensiveswift.dev
offerai.dev
offerdocs.dev
offerforge.dev
offergate.dev
offerhq.dev

DNS History

3 records (3 active, 0 former)

NSdns1.registrar-servers.comdns2.registrar-servers.comA76.76.21.21
●NSdns1.registrar-servers.com2026-09-27 → 2026-09-29 · 2 obs
● 2026-09-27 20:55:20
● 2026-09-29 07:43:14
●NSdns2.registrar-servers.com2026-09-27 → 2026-09-29 · 2 obs
● 2026-09-27 20:55:20
● 2026-09-29 07:43:14
●A76.76.21.212026-09-27 → 2026-09-29 · 2 obs
● 2026-09-27 20:55:20
● 2026-09-29 07:43:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...10 records
offcourse.devdns1.registrar-servers.com, dns2.registrar-servers.com-

✅ Authoritative Response

Server:156.154.133.200

NS records: dns1.registrar-servers.com, dns2.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for offcourse.dev (unsigned zone)

⏱️ Timing

Total: 501ms | Queries: -

📄 Records

TypeCountSample Data
A176.76.21.21
NS2dns1.registrar-servers.com, dns2.registrar-servers.com
SOA1dns1.registrar-servers.com hostmaster.re

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...)

Analysis

IP Addresses

offcourse.dev directs to one IP number, which is 76.76.21.21.

Among the host names that share IP numbers with offcourse.dev are wocina.cn, mallmark.com.ng, morgierra.com and two others.

Name Servers

offcourse.dev uses two name servers for its delegation: dns1.registrar-servers.com and dns2.registrar-servers.com.

offcourse.dev has the same name server delegation as a number of other domains, such as beammeupgod.com, emadcourses.com, andrve.com and two more.

The two host names dns1.registrar-servers.com and dns2.registrar-servers.com each have a pair of IP addresses: dns1.registrar-servers.com has 156.154.132.200 and 2610:a1:1024::200, and dns2.registrar-servers.com has 156.154.133.200 and 2610:a1:1025::200.