btcourse.com - dns.ninja

btcourse.com

DNSSEC⚠️ Not signed
A3.33.130.190🇺🇸 Amazon3.33.128.0/20
PTRa2aa9ff50de748dbe.awsglobalaccelerator.com
A15.197.148.33🇺🇸 Amazon15.197.144.0/20
NSns03.domaincontrol.com ⭐
A2603:5:2150::2🇺🇸 GODADDY-DNS2603:5:2150::/44
PTRns03.domaincontrol.com
A97.74.101.2🇺🇸 GODADDY-DNS97.74.100.0/23
PTRns03.domaincontrol.com
NSns04.domaincontrol.com
A2603:5:2250::2🇺🇸 GODADDY-DNS2603:5:2250::/44
PTRns04.domaincontrol.com
A173.201.69.2🇺🇸 GODADDY-DNS173.201.68.0/23
PTRns04.domaincontrol.com
SOAns03.domaincontrol.comdns@jomax.net 2024-08-27 #0

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=1783210741

Previously MX for

btcourse.com

Same first word

btcourse.com

Similar names

turbosec.com.br
cubestor.biz
tbsource.com
robustec.ind.br
ubercost.us
robustec.com.br
securbot.com
sourcebt.com
bcustore.com
ucbstore.com
bcroutes.ca
scorbuet.com
tubscore.com
escortbu.com
cebtrous.net
ubcstore.com
curebots.com
cebtours.com
cobertus.com
ecoburst.ca
curesbot.com
cubestor.info
cubstore.com
borustec.ru
cursebot.com
bestcour.com
buescort.com
storcube.com
cubestor.com
btsource.com
rucobest.com

DNS History

14 records (4 active, 10 former)

20162017201820192020202120222023202420252026NSns03.domaincontrol.comns04.domaincontrol.comns1.bodis.comns2.bodis.comns6301.hostgator.comns6302.hostgator.comsk.s5.bns1.ns118.searchreinvented.comsk.s5.bns2.ns118.searchreinvented.comMXbtcourse.comA15.197.148.333.33.130.190192.254.185.121199.59.243.120208.91.197.13
●NSns03.domaincontrol.com2026-02-15 → 2026-07-05 · 3 obs
○ 2016-03-18 23:27:48
● 2026-02-15 00:43:20
● 2026-07-05 00:24:26
●NSns04.domaincontrol.com2026-02-15 → 2026-07-05 · 3 obs
○ 2016-03-18 23:27:48
● 2026-02-15 00:43:20
● 2026-07-05 00:24:26
○NSns1.bodis.com2015-09-24 → 2015-09-24 · 4 obs
○ 2015-05-22 14:01:22
● 2015-09-24 07:36:18
○ 2015-12-09 14:22:52
○ 2026-07-05 00:24:26
○NSns2.bodis.com2015-09-24 → 2015-09-24 · 4 obs
○ 2015-05-22 14:01:22
● 2015-09-24 07:36:18
○ 2015-12-09 14:22:52
○ 2026-07-05 00:24:26
○NSns6301.hostgator.com2015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 14:01:22
○ 2015-09-24 07:36:18
○ 2026-07-05 00:24:26
○NSns6302.hostgator.com2015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 14:01:22
○ 2015-09-24 07:36:18
○ 2026-07-05 00:24:26
○NSsk.s5.bns1.ns118.searchreinvented.com2015-12-09 → 2015-12-09 · 4 obs
○ 2015-09-24 07:36:18
● 2015-12-09 14:22:52
○ 2016-03-18 23:27:48
○ 2026-07-05 00:24:26
○NSsk.s5.bns2.ns118.searchreinvented.com2015-12-09 → 2015-12-09 · 4 obs
○ 2015-09-24 07:36:18
● 2015-12-09 14:22:52
○ 2016-03-18 23:27:48
○ 2026-07-05 00:24:26
○MXbtcourse.com2015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 14:01:22
○ 2015-09-24 07:36:18
○ 2026-07-05 00:24:26
●A15.197.148.332026-02-15 → 2026-07-05 · 3 obs
○ 2016-03-18 23:27:48
● 2026-02-15 00:43:20
● 2026-07-05 00:24:26
○A192.254.185.1212015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 14:01:22
○ 2015-09-24 07:36:18
○ 2026-07-05 00:24:26
○A199.59.243.1202015-09-24 → 2015-09-24 · 4 obs
○ 2015-05-22 14:01:22
● 2015-09-24 07:36:18
○ 2015-12-09 14:22:52
○ 2026-07-05 00:24:26
○A208.91.197.132015-12-09 → 2015-12-09 · 4 obs
○ 2015-09-24 07:36:18
● 2015-12-09 14:22:52
○ 2016-03-18 23:27:48
○ 2026-07-05 00:24:26
●A3.33.130.1902026-02-15 → 2026-07-05 · 3 obs
○ 2016-03-18 23:27:48
● 2026-02-15 00:43:20
● 2026-07-05 00:24:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
btcourse.comns03.domaincontrol.com, ns04.domaincontrol.com4 records

✅ Authoritative Response

Server:97.74.101.2

NS records: ns03.domaincontrol.com, ns04.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for btcourse.com (unsigned zone)

⏱️ Timing

Total: 154ms | Queries: -

📄 Records

TypeCountSample Data
A23.33.130.190, 15.197.148.33
NS2ns03.domaincontrol.com, ns04.domaincontrol.com
SOA1ns03.domaincontrol.com dns.jomax.net

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns03.domaincontrol.com, ns03.domaincontrol.com, ns04.domaincontrol.com...)

Analysis

IP Addresses

btcourse.com points to the IP addresses 3.33.130.190 and 15.197.148.33

Two other host names, along with slfw.com, a99.com and hesy-re.net, also share IP numbers with btcourse.com.

Name Servers

btcourse.com is served by two delegated name servers, ns03.domaincontrol.com and ns04.domaincontrol.com.

btcourse.com shares its NS records with other domains, for example gtshobbies.com, mhuscroft.com, jumpstartworkshops.com and two others.

The name servers for btcourse.com overlap at least in part with those of other domains, including clubetips.com and impactnorthinc.com.

Each of the two host names carries two IP addresses: ns03.domaincontrol.com points to 97.74.101.2 and 2603:5:2150::2, and ns04.domaincontrol.com points to 173.201.69.2 and 2603:5:2250::2.