course.network - dns.ninja

course.network

DNSSEC⚠️ Not signed
A13.248.169.48🇺🇸 Amazon13.248.160.0/20
A76.223.54.146🇺🇸 Amazon76.223.48.0/20
NSns2.afternic.com ⭐
A2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44
PTRns2.afternic.com
A173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23
PTRns2.afternic.com
NSns1.afternic.com
A2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44
PTRns1.afternic.com
A97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23
PTRns1.afternic.com
TXTv=spf1 -all
SOAns2.afternic.comdns@jomax.net serial=1

network

DNSSEC🔒 Signed (DS record present)
NSv0n0.nic.network ⭐
NSv0n1.nic.network
NSv0n2.nic.network
NSv0n3.nic.network
NSv2n0.nic.network
NSv2n1.nic.network
SOAv0n0.nic.networkhostmaster@donuts.email serial=1783979695

Same first word

course.net
course.care
course.com.tr
course.istanbul
course.ch
course.run
course.nl
course.ws
course.de
course.tours
course.pl
course.io
course.studio
course.im
course.lk
course.plus
course.gr
course.design
course.place
course.city
course.by
course.com
course.network
course.guide
course.org.il
course.media
course.mobi
course.edu.vn
course.company
course.kz
course.xyz
course.co
course.market
course.cafe
course.london
course.tc
course.la
course.it
course.am
course.info
course.institute
course.id
course.com.cn
course.coach
course.pub
course.careers
course.chat
course.ru
course.online
course.co.uk
course.cc
course.fr
course.us
course.pro
course.co.za
course.org
course.world
course.dk
course.center
course.rs
course.work
course.link
course.ist
course.ca
course.is
course.cn
course.biz
course.school
course.eu
course.tv
course.academy
course.camp
course.guru
course.be
course.ltd

Similar names

source.ws
crouse.us
crusoe.wiki
sureco.pl
curose.com
source.info
ecorus.net
ocreus.co.uk
secour.de
escuro.net.br
soucre.com
crusoe.es
source.com
crusoe.info
source.cz
source.ag
urosec.com
coreus.biz
source.energy
coeurs.org
source.fitness
source.legal
securo.com.pl
source.net.ua
source.no
source.be
cueros.com
securo.no
source.ch
source.digital
source.de
ecurso.com.br
source.app
orecus.io
ocerus.com
crusoe.be
cseuro.com
coreus.com
socure.us
source.moe
ruscoe.net
ecorus.ru
ecorus.be
source.co.uk
ecosur.info
crusoe.se
crusoe.jp
source.lighting
source.co.il
source.hu
source.fr
usreco.com
source.ca
socure.co
source.net.au
crouse.org
crusoe.eu
source.cn
source.awsapps.com
securo.at
ruesco.myshopify.com
source.wtf
source.academy
socure.be
scureo.com
source.media
source.co.nz
securo.ru
source.company
source.ee
sureco.tech
source.lu
uscore.org
coerus.com
ecrous.be
source.tw
securo.net.au
source.ac.nz
creuso.com
source.horse
crusoe.de
socure.me
crusoe.one
source.se
source.cl

DNS History

14 records (4 active, 10 former)

2017201820192020202120222023202420252026NSns1.afternic.comns2.afternic.comcoby.ns.cloudflare.comns1.uniregistrymarket.linkns2.uniregistrymarket.linkvita.ns.cloudflare.comMXdc-fcd34091c393.course.networkA13.248.169.4876.223.54.146104.21.7.165172.67.130.872606:4700:3034::6815:7a52606:4700:3035::ac43:825769.172.201.153
○NScoby.ns.cloudflare.com2021-01-19 → 2021-01-19 · 4 obs
○ 2016-12-10 20:48:08
● 2021-01-19 05:43:22
○ 2026-02-24 15:54:14
○ 2026-07-13 22:06:14
●NSns1.afternic.com2026-02-24 → 2026-07-13 · 3 obs
○ 2021-01-19 05:43:22
● 2026-02-24 15:54:14
● 2026-07-13 22:06:14
○NSns1.uniregistrymarket.link2016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 20:48:08
○ 2021-01-19 05:43:22
○ 2026-07-13 22:06:14
●NSns2.afternic.com2026-02-24 → 2026-07-13 · 3 obs
○ 2021-01-19 05:43:22
● 2026-02-24 15:54:14
● 2026-07-13 22:06:14
○NSns2.uniregistrymarket.link2016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 20:48:08
○ 2021-01-19 05:43:22
○ 2026-07-13 22:06:14
○NSvita.ns.cloudflare.com2021-01-19 → 2021-01-19 · 4 obs
○ 2016-12-10 20:48:08
● 2021-01-19 05:43:22
○ 2026-02-24 15:54:14
○ 2026-07-13 22:06:14
○MXdc-fcd34091c393.course.network2021-01-19 → 2021-01-19 · 3 obs
● 2021-01-19 05:43:22
○ 2026-02-24 15:54:14
○ 2026-07-13 22:06:14
○A104.21.7.1652021-01-19 → 2021-01-19 · 4 obs
○ 2016-12-10 20:48:08
● 2021-01-19 05:43:22
○ 2026-02-24 15:54:14
○ 2026-07-13 22:06:14
●A13.248.169.482026-02-24 → 2026-07-13 · 3 obs
○ 2021-01-19 05:43:22
● 2026-02-24 15:54:14
● 2026-07-13 22:06:14
○A172.67.130.872021-01-19 → 2021-01-19 · 4 obs
○ 2016-12-10 20:48:08
● 2021-01-19 05:43:22
○ 2026-02-24 15:54:14
○ 2026-07-13 22:06:14
○A2606:4700:3034::6815:7a52021-01-19 → 2021-01-19 · 4 obs
○ 2016-12-10 20:48:08
● 2021-01-19 05:43:22
○ 2026-02-24 15:54:14
○ 2026-07-13 22:06:14
○A2606:4700:3035::ac43:82572021-01-19 → 2021-01-19 · 4 obs
○ 2016-12-10 20:48:08
● 2021-01-19 05:43:22
○ 2026-02-24 15:54:14
○ 2026-07-13 22:06:14
○A69.172.201.1532016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 20:48:08
○ 2021-01-19 05:43:22
○ 2026-07-13 22:06:14
●A76.223.54.1462026-02-24 → 2026-07-13 · 3 obs
○ 2021-01-19 05:43:22
● 2026-02-24 15:54:14
● 2026-07-13 22:06:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
networkv0n0.nic.network, v0n1.nic.network, v0n2.nic.network, v0n3.nic.network...12 records
course.networkns1.afternic.com, ns2.afternic.com-

✅ Authoritative Response

Server:97.74.98.69

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for course.network (unsigned zone)

⏱️ Timing

Total: 3309ms | Queries: -

📄 Records

TypeCountSample Data
A276.223.54.146, 13.248.169.48
NS2ns1.afternic.com, ns2.afternic.com
MX1. (pri: 0)
TXT1v=spf1 -all
SOA1ns1.afternic.com dns.jomax.net

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.network, v0n1.nic.network, v0n2.nic.network...)

Analysis

IP Addresses

course.network directs to two IP numbers, 13.248.169.48 and 76.223.54.146

Additional host names — host-248.151-234-182.cable.dynamic.kbtelecom.net, ygze.xyz, danm.us and two others — share IP numbers with course.network.

Name Servers

DNS delegation for course.network points to two name servers: ns1.afternic.com and ns2.afternic.com.

course.network shares its name server setup with other domains, including mail.soulgrooves.com, bikese.com, gladday.com and two others.

course.network partially shares its NS delegation with several other domains, including accufuser.com, medstaffingdirect.com, rev.agency and two others.

These name servers regularly co-occur with the name servers verification-q2yfbmuxrvnsdnaogqtqft.ns101.verify.hn, verification-tsoyaadcwmy6qbbniw5zjc.ns101.verify.hn and verification-urj2ap2akmgcchkhharttb.ns101.verify.hn.

ns1.afternic.com directs to 97.74.98.69 and 2603:5:2126::45. ns2.afternic.com directs to 173.201.66.69 and 2603:5:2226::45. Each host name carries two IP addresses.