coursebits.com - dns.ninja

coursebits.com

DNSSEC⚠️ Not signed
A104.247.81.99🇨🇦 TEAMINTERNET-CA-AS104.247.80.0/22 Proxy Registration for Team Internet by Next Dimension
NSns1.parkingcrew.net ⭐
A13.248.158.159🇺🇸 Amazon13.248.144.0/20
PTRa94f3aae71d6f0705.awsglobalaccelerator.com
NSns2.parkingcrew.net
A76.223.21.9🇺🇸 Amazon76.223.16.0/20
PTRa94f3aae71d6f0705.awsglobalaccelerator.com
MXmail.h-email.net ⭐
A5.75.171.74🇩🇪 Hetzner5.75.128.0/17 HETZNER-DC
PTRmail.h-email.net
A5.161.98.212🇺🇸 HETZNER-CLOUD2-AS5.161.98.0/24
PTRmail.h-email.net
A5.161.194.135🇺🇸 HETZNER-CLOUD2-AS5.161.194.0/24
PTRstatic.135.194.161.5.clients.your-server.de
A49.13.4.90🇩🇪 Hetzner49.13.0.0/16 HETZNER-DC
PTRstatic.90.4.13.49.clients.your-server.de
A91.107.214.206🇩🇪 Hetzner91.107.128.0/17 HETZNER-DC
PTRstatic.206.214.107.91.clients.your-server.de
A162.55.164.116🇩🇪 Hetzner162.55.0.0/16 HETZNER-DC
PTRstatic.116.164.55.162.clients.your-server.de
A165.227.156.49🇩🇪 DIGITALOCEAN165.227.144.0/20 DigitalOcean
PTRmail3.h-email.net
A165.227.159.144🇩🇪 DIGITALOCEAN165.227.144.0/20 DigitalOcean
PTRmail2.h-email.net
A167.235.143.33🇩🇪 Hetzner167.235.0.0/16 HETZNER-DC
PTRmail.h-email.net
A178.62.199.248🇳🇱 DIGITALOCEAN178.62.192.0/18 DigitalOcean
PTRmail.h-email.net
TXTv=spf1 ip6:fd1b:212c:a5f9::/48 -all
SOAns1.parkingcrew.nethostmaster@coursebits.com serial=1781004750

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1782755796

Previously MX for

coursebits.com

Same first word

coursebits.com

Similar names

bitcourses.com
siberscout.net
securibots.com
tosuscribe.com
sourcebits.com
bitssource.com
itsobscure.com
bticourses.com
tosuscribe.eu
bitsources.com

DNS History

24 records (4 active, 20 former)

200920112013201520172019202120232025NSns1.parkingcrew.netns2.parkingcrew.netns.inmotionhosting.comns11.domaincontrol.comns12.domaincontrol.comns1626.ztomy.comns2.inmotionhosting.comns2626.ztomy.comns5.dayanadns.comns53.domaincontrol.comns54.domaincontrol.comns6.dayanadns.comMXmail.h-email.netcoursebits.commail.b-io.comailstore1.secureserver.netsmtp.secureserver.netA104.247.81.99166.62.108.22184.168.47.225185.53.178.99204.11.56.48204.50.18.143216.194.166.254
○NSns.inmotionhosting.com2016-09-15 → 2016-09-15 · 4 obs
○ 2016-03-18 00:07:14
● 2016-09-15 00:44:08
○ 2017-04-18 18:58:24
○ 2026-06-29 17:59:44
●NSns1.parkingcrew.net2026-02-16 → 2026-06-29 · 3 obs
○ 2017-07-27 03:02:24
● 2026-02-16 00:19:04
● 2026-06-29 17:59:44
○NSns11.domaincontrol.com2017-04-18 → 2017-07-27 · 5 obs
○ 2016-09-15 00:44:08
● 2017-04-18 18:58:24
● 2017-07-27 03:02:24
○ 2026-02-16 00:19:04
○ 2026-06-29 17:59:44
○NSns12.domaincontrol.com2017-04-18 → 2017-07-27 · 5 obs
○ 2016-09-15 00:44:08
● 2017-04-18 18:58:24
● 2017-07-27 03:02:24
○ 2026-02-16 00:19:04
○ 2026-06-29 17:59:44
○NSns1626.ztomy.com2015-05-24 → 2015-10-09 · 5 obs
○ 2008-03-20 09:37:16
● 2015-05-24 18:42:02
● 2015-10-09 21:47:28
○ 2015-12-09 17:36:50
○ 2026-06-29 17:59:44
○NSns2.inmotionhosting.com2016-09-15 → 2016-09-15 · 4 obs
○ 2016-03-18 00:07:14
● 2016-09-15 00:44:08
○ 2017-04-18 18:58:24
○ 2026-06-29 17:59:44
●NSns2.parkingcrew.net2026-02-16 → 2026-06-29 · 3 obs
○ 2017-07-27 03:02:24
● 2026-02-16 00:19:04
● 2026-06-29 17:59:44
○NSns2626.ztomy.com2015-05-24 → 2015-10-09 · 5 obs
○ 2008-03-20 09:37:16
● 2015-05-24 18:42:02
● 2015-10-09 21:47:28
○ 2015-12-09 17:36:50
○ 2026-06-29 17:59:44
○NSns5.dayanadns.com2008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 09:37:16
○ 2015-05-24 18:42:02
○ 2026-06-29 17:59:44
○NSns53.domaincontrol.com2016-03-18 → 2016-03-18 · 4 obs
○ 2015-12-09 17:36:50
● 2016-03-18 00:07:14
○ 2016-09-15 00:44:08
○ 2026-06-29 17:59:44
○NSns54.domaincontrol.com2016-03-18 → 2016-03-18 · 4 obs
○ 2015-12-09 17:36:50
● 2016-03-18 00:07:14
○ 2016-09-15 00:44:08
○ 2026-06-29 17:59:44
○NSns6.dayanadns.com2008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 09:37:16
○ 2015-05-24 18:42:02
○ 2026-06-29 17:59:44
○MXcoursebits.com2008-03-20 → 2016-09-15 · 6 obs
● 2008-03-20 09:37:16
○ 2015-05-24 18:42:02
○ 2016-03-18 00:07:14
● 2016-09-15 00:44:08
○ 2017-04-18 18:58:24
○ 2026-06-29 17:59:44
○MXmail.b-io.co2015-05-24 → 2015-05-24 · 4 obs
○ 2008-03-20 09:37:16
● 2015-05-24 18:42:02
○ 2015-10-09 21:47:28
○ 2026-06-29 17:59:44
●MXmail.h-email.net2026-02-16 → 2026-06-29 · 5 obs
○ 2017-07-27 03:02:24
● 2026-02-16 00:19:04
○ 2026-02-21 05:23:48
● 2026-06-29 17:59:42
● 2026-06-29 17:59:44
○MXmailstore1.secureserver.net2016-03-18 → 2017-07-27 · 7 obs
○ 2015-10-09 21:47:28
● 2016-03-18 00:07:14
○ 2016-09-15 00:44:08
● 2017-04-18 18:58:24
● 2017-07-27 03:02:24
○ 2026-02-16 00:19:04
○ 2026-06-29 17:59:44
○MXsmtp.secureserver.net2016-03-18 → 2017-07-27 · 7 obs
○ 2015-10-09 21:47:28
● 2016-03-18 00:07:14
○ 2016-09-15 00:44:08
● 2017-04-18 18:58:24
● 2017-07-27 03:02:24
○ 2026-02-16 00:19:04
○ 2026-06-29 17:59:44
●A104.247.81.992026-02-16 → 2026-06-29 · 3 obs
○ 2017-07-27 03:02:24
● 2026-02-16 00:19:04
● 2026-06-29 17:59:44
○A166.62.108.222017-04-18 → 2017-07-27 · 5 obs
○ 2016-09-15 00:44:08
● 2017-04-18 18:58:24
● 2017-07-27 03:02:24
○ 2026-02-16 00:19:04
○ 2026-06-29 17:59:44
○A184.168.47.2252016-03-18 → 2016-03-18 · 4 obs
○ 2015-12-09 17:36:50
● 2016-03-18 00:07:14
○ 2016-09-15 00:44:08
○ 2026-06-29 17:59:44
○A185.53.178.992026-02-16 → 2026-06-29 · 2 obs
○ 2026-02-16 00:19:04
○ 2026-06-29 17:59:44
○A204.11.56.482015-05-24 → 2015-10-09 · 5 obs
○ 2008-03-20 09:37:16
● 2015-05-24 18:42:02
● 2015-10-09 21:47:28
○ 2015-12-09 17:36:50
○ 2026-06-29 17:59:44
○A204.50.18.1432008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 09:37:16
○ 2015-05-24 18:42:02
○ 2026-06-29 17:59:44
○A216.194.166.2542016-09-15 → 2016-09-15 · 4 obs
○ 2016-03-18 00:07:14
● 2016-09-15 00:44:08
○ 2017-04-18 18:58:24
○ 2026-06-29 17:59:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
coursebits.comns1.parkingcrew.net, ns2.parkingcrew.net-

✅ Authoritative Response

Server:76.223.21.9

NS records: ns1.parkingcrew.net, ns2.parkingcrew.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursebits.com (unsigned zone)

⏱️ Timing

Total: 770ms | Queries: -

📄 Records

TypeCountSample Data
A1104.247.81.99
NS2ns1.parkingcrew.net, ns2.parkingcrew.net
MX1mail.h-email.net (pri: 5)
TXT1v=spf1 ip6:fd1b:212c:a5f9::/48 -all
SOA1ns1.parkingcrew.net hostmaster.coursebit

Analysis

IP Addresses

coursebits.com has exactly one IP address — 104.247.81.99.

travelhat.com, 121-74-119-68.telstraclear.net, autotipy.cz plus two other host names have IP numbers in common with coursebits.com.

Name Servers

The NS records for coursebits.com delegate to ns1.parkingcrew.net and ns2.parkingcrew.net.

The name server configuration of coursebits.com is shared with other domains, for instance mail.deer.ro, ns2.ngi.in, 203-97-102-25.cable.telstraclear.net and two others.

At least some of coursebits.com's name servers are shared with other domains, for example static-103.243.194.14-tataidc.co.in, static-2.176.99.14-tataidc.co.in, static-208.83.97.14-tataidc.co.in and two more.

Each of ns1.parkingcrew.net and ns2.parkingcrew.net has one IP address: ns1.parkingcrew.net uses 13.248.158.159 and ns2.parkingcrew.net uses 76.223.21.9.

Mail Servers

coursebits.com uses one mail server — mail.h-email.net.

The mail server setup of coursebits.com matches that of other domains such as autoscut24.de, www.region-bank.com.ua, ferienhaeuser.com and two others.

mail.h-email.net has 10 IP addresses: 5.75.171.74, 5.161.98.212, 5.161.194.135 plus 7 more.