coursebb.com - dns.ninja

coursebb.com

DNSSEC⚠️ Not signed
A172.237.146.18🇺🇸 AKAMAI-LINODE-AP172.237.128.0/19 Akamai Technologies
PTRk8s-svc-lander-seth-us-ord-01.parklogic.net
A172.237.146.39🇺🇸 AKAMAI-LINODE-AP172.237.128.0/19 Akamai Technologies
A172.237.146.46🇺🇸 AKAMAI-LINODE-AP172.237.128.0/19 Akamai Technologies
NSns1.parklogic.com ⭐
A2001:19f0:6000:39be:5400:6ff:fe0b:e907🇺🇸 AS-VULTR2001:19f0:6000::/38 Vultr Assigned Prefix
PTRdns-dnsdist-us-lax-01.parklogic.net
A50.28.104.44🇺🇸 LiquidWeb-AZ50.28.96.0/19 LiquidWeb Inc West
A50.116.34.34🇺🇸 AKAMAI-LINODE-AP50.116.32.0/20 Akamai Technologies
A69.39.238.36🇺🇸 ASN-CQ-GIGENET69.39.224.0/20 GigENET Route
A69.39.238.37🇺🇸 ASN-CQ-GIGENET69.39.224.0/20 GigENET Route
A149.28.95.10🇺🇸 AS-VULTR149.28.64.0/19 Vultr Assigned Prefix
NSns2.parklogic.com
A2001:19f0:5c00:481f:5400:6ff:fe0b:e87c🇺🇸 AS-VULTR2001:19f0:5c00::/38 Vultr Assigned Prefix
A45.79.197.241🇺🇸 AKAMAI-LINODE-AP45.79.192.0/19 Akamai Technologies
A50.28.102.86🇺🇸 LiquidWeb-AZ50.28.96.0/19 LiquidWeb Inc West
A66.42.120.24🇺🇸 AS-VULTR66.42.112.0/20 Vultr Assigned Prefix
A216.38.8.120🇺🇸 ASN-CQ-GIGENET216.38.0.0/19 GigENET Route
A216.38.8.121🇺🇸 ASN-CQ-GIGENET216.38.0.0/19 GigENET Route
MXmx156.hostedmxserver.com ⭐
A147.182.130.78🇺🇸 DIGITALOCEAN147.182.128.0/20 DigitalOcean
A147.182.160.18🇺🇸 DIGITALOCEAN147.182.160.0/20 DigitalOcean
A147.182.180.139🇺🇸 DIGITALOCEAN147.182.176.0/20 DigitalOcean
A147.182.189.184🇺🇸 DIGITALOCEAN147.182.176.0/20 DigitalOcean
A164.90.197.79🇳🇱 DIGITALOCEAN164.90.192.0/20 DigitalOcean
A164.90.197.105🇳🇱 DIGITALOCEAN164.90.192.0/20 DigitalOcean
A164.90.197.143🇳🇱 DIGITALOCEAN164.90.192.0/20 DigitalOcean
A164.90.197.162🇳🇱 DIGITALOCEAN164.90.192.0/20 DigitalOcean
TXTv=spf1 -all
SOAns1.parklogic.comhostmaster@coursebb.com 2019-10-23 #1

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=1783150236

Previously MX for

coursebb.com

Subdomains

www.coursebb.com
ns2.coursebb.com
cou.coursebb.com
ns1.coursebb.com

Same first word

coursebb.com

Similar names

cubebros.com
bbcourse.com
sourcebb.com
bbsource.com
bcbourse.com
brecobus.com

DNS History

29 records (6 active, 23 former)

2017201820192020202120222023202420252026NSns1.parklogic.comns2.parklogic.comcns465.hostgator.comcns466.hostgator.comns1.coursebb.comns1.developnhost.comns2.coursebb.comns2.developnhost.comMXmx156.hostedmxserver.comcoursebb.commx1.emailsendhub.comA172.237.146.18172.237.146.39172.237.146.46108.179.239.238172.233.212.129172.233.212.151172.233.212.224172.233.212.90172.233.219.123172.233.219.49172.233.219.78172.234.31.13172.237.146.25172.237.146.38172.237.146.49172.237.146.8198.57.156.7650.116.94.43
○NScns465.hostgator.com2021-09-10 → 2021-09-10 · 4 obs
○ 2018-01-31 19:49:24
● 2021-09-10 10:14:10
○ 2026-02-15 09:46:04
○ 2026-07-04 07:54:06
○NScns466.hostgator.com2021-09-10 → 2021-09-10 · 4 obs
○ 2018-01-31 19:49:24
● 2021-09-10 10:14:10
○ 2026-02-15 09:46:04
○ 2026-07-04 07:54:06
○NSns1.coursebb.com2018-01-31 → 2018-01-31 · 4 obs
○ 2016-12-20 10:46:02
● 2018-01-31 19:49:24
○ 2021-09-10 10:14:10
○ 2026-07-04 07:54:06
○NSns1.developnhost.com2016-12-20 → 2016-12-20 · 3 obs
● 2016-12-20 10:46:02
○ 2018-01-31 19:49:24
○ 2026-07-04 07:54:06
●NSns1.parklogic.com2026-02-15 → 2026-07-04 · 3 obs
○ 2021-09-10 10:14:10
● 2026-02-15 09:46:04
● 2026-07-04 07:54:06
○NSns2.coursebb.com2018-01-31 → 2018-01-31 · 4 obs
○ 2016-12-20 10:46:02
● 2018-01-31 19:49:24
○ 2021-09-10 10:14:10
○ 2026-07-04 07:54:06
○NSns2.developnhost.com2016-12-20 → 2016-12-20 · 3 obs
● 2016-12-20 10:46:02
○ 2018-01-31 19:49:24
○ 2026-07-04 07:54:06
●NSns2.parklogic.com2026-02-15 → 2026-07-04 · 3 obs
○ 2021-09-10 10:14:10
● 2026-02-15 09:46:04
● 2026-07-04 07:54:06
○MXcoursebb.com2016-12-20 → 2021-09-10 · 4 obs
● 2016-12-20 10:46:02
● 2021-09-10 10:14:10
○ 2026-02-15 09:46:04
○ 2026-07-04 07:54:06
○MXmx1.emailsendhub.com2026-03-08 → 2026-05-15 · 5 obs
○ 2026-02-23 20:32:30
● 2026-03-08 21:58:58
● 2026-05-15 21:02:38
○ 2026-05-18 16:14:54
○ 2026-07-04 07:54:06
●MXmx156.hostedmxserver.com2026-02-15 → 2026-07-04 · 7 obs
○ 2021-09-10 10:14:10
● 2026-02-15 09:46:04
● 2026-02-23 20:32:30
○ 2026-03-08 21:58:58
○ 2026-05-15 21:02:38
● 2026-05-18 16:14:54
● 2026-07-04 07:54:06
○A108.179.239.2382018-01-31 → 2018-01-31 · 4 obs
○ 2016-12-20 10:46:02
● 2018-01-31 19:49:24
○ 2021-09-10 10:14:10
○ 2026-07-04 07:54:06
○A172.233.212.1292026-05-15 → 2026-05-15 · 4 obs
○ 2026-05-12 16:29:02
● 2026-05-15 21:02:38
○ 2026-05-18 16:14:54
○ 2026-07-04 07:54:06
○A172.233.212.1512026-05-15 → 2026-05-15 · 4 obs
○ 2026-05-12 16:29:02
● 2026-05-15 21:02:38
○ 2026-05-18 16:14:54
○ 2026-07-04 07:54:06
○A172.233.212.2242026-05-15 → 2026-05-15 · 4 obs
○ 2026-05-12 16:29:02
● 2026-05-15 21:02:38
○ 2026-05-18 16:14:54
○ 2026-07-04 07:54:06
○A172.233.212.902026-05-15 → 2026-05-15 · 4 obs
○ 2026-05-12 16:29:02
● 2026-05-15 21:02:38
○ 2026-05-18 16:14:54
○ 2026-07-04 07:54:06
○A172.233.219.1232026-02-15 → 2026-05-12 · 5 obs
○ 2021-09-10 10:14:10
● 2026-02-15 09:46:04
● 2026-05-12 16:29:02
○ 2026-05-15 21:02:38
○ 2026-07-04 07:54:06
○A172.233.219.492026-02-15 → 2026-05-12 · 5 obs
○ 2021-09-10 10:14:10
● 2026-02-15 09:46:04
● 2026-05-12 16:29:02
○ 2026-05-15 21:02:38
○ 2026-07-04 07:54:06
○A172.233.219.782026-02-15 → 2026-05-12 · 5 obs
○ 2021-09-10 10:14:10
● 2026-02-15 09:46:04
● 2026-05-12 16:29:02
○ 2026-05-15 21:02:38
○ 2026-07-04 07:54:06
○A172.234.31.132026-05-15 → 2026-05-15 · 4 obs
○ 2026-05-12 16:29:02
● 2026-05-15 21:02:38
○ 2026-05-18 16:14:54
○ 2026-07-04 07:54:06
●A172.237.146.182026-05-18 → 2026-07-04 · 3 obs
○ 2026-05-15 21:02:38
● 2026-05-18 16:14:54
● 2026-07-04 07:54:06
○A172.237.146.252026-02-15 → 2026-05-12 · 5 obs
○ 2021-09-10 10:14:10
● 2026-02-15 09:46:04
● 2026-05-12 16:29:02
○ 2026-05-15 21:02:38
○ 2026-07-04 07:54:06
○A172.237.146.382026-02-15 → 2026-05-12 · 5 obs
○ 2021-09-10 10:14:10
● 2026-02-15 09:46:04
● 2026-05-12 16:29:02
○ 2026-05-15 21:02:38
○ 2026-07-04 07:54:06
●A172.237.146.392026-05-18 → 2026-07-04 · 3 obs
○ 2026-05-15 21:02:38
● 2026-05-18 16:14:54
● 2026-07-04 07:54:06
●A172.237.146.462026-05-18 → 2026-07-04 · 3 obs
○ 2026-05-15 21:02:38
● 2026-05-18 16:14:54
● 2026-07-04 07:54:06
○A172.237.146.492026-05-15 → 2026-05-15 · 4 obs
○ 2026-05-12 16:29:02
● 2026-05-15 21:02:38
○ 2026-05-18 16:14:54
○ 2026-07-04 07:54:06
○A172.237.146.82026-02-15 → 2026-05-12 · 5 obs
○ 2021-09-10 10:14:10
● 2026-02-15 09:46:04
● 2026-05-12 16:29:02
○ 2026-05-15 21:02:38
○ 2026-07-04 07:54:06
○A198.57.156.762016-12-20 → 2016-12-20 · 3 obs
● 2016-12-20 10:46:02
○ 2018-01-31 19:49:24
○ 2026-07-04 07:54:06
○A50.116.94.432021-09-10 → 2021-09-10 · 4 obs
○ 2018-01-31 19:49:24
● 2021-09-10 10:14:10
○ 2026-02-15 09:46:04
○ 2026-07-04 07:54:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
coursebb.comns1.parklogic.com, ns2.parklogic.com14 records

✅ Authoritative Response

Server:50.116.34.34

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursebb.com (unsigned zone)

⏱️ Timing

Total: 217ms | Queries: -

📄 Records

TypeCountSample Data
A3172.237.146.18, 172.237.146.39...
NS2ns1.parklogic.com, ns2.parklogic.com
MX1mx156.hostedmxserver.com (pri: 20)
TXT1v=spf1 -all
SOA1ns1.parklogic.com hostmaster.coursebb.co

📌 Glue Records Collected

Total: 14

Out-of-bailiwick: 14 (ns1.parklogic.com, ns1.parklogic.com, ns1.parklogic.com...)

Analysis

Hierarchy

The domain coursebb.com is a parent of www.coursebb.com, ns2.coursebb.com, cou.coursebb.com and ns1.coursebb.com.

IP Addresses

coursebb.com points to three IP numbers, namely 172.237.146.18, 172.237.146.39 and 172.237.146.46.

0185heji.com, yc(0x787878)ugl.2fh.co, 48da.com plus two other host names have IP numbers in common with coursebb.com.

Name Servers

coursebb.com is delegated to two name servers: ns1.parklogic.com and ns2.parklogic.com.

The name server configuration of coursebb.com is shared with other domains, for instance gocdeals.com, moneycashpaydayloan.bugs3.com, manga-online.biz and two others.

At least some of coursebb.com's name servers are shared with other domains, for example pc-mm.com, juanaslatinsportsbar.com, relonyx.com and two more.

It is common for these name servers to be used in conjunction with the name servers ns3.parklogic.com, ns1.ns306.parklogic.com and ns2.ns306.parklogic.com.

Hosts with 6 IP addresses each:

ns1.parklogic.com resolves to 50.28.104.44, 50.116.34.34, 69.39.238.36 and 3 other IP addresses.

ns2.parklogic.com resolves to 45.79.197.241, 50.28.102.86, 66.42.120.24 and 3 other IP addresses.

Mail Servers

coursebb.com uses one mail server — mx156.hostedmxserver.com.

The mail server setup of coursebb.com matches that of other domains such as pochta.molod83.weldingeniring.com, s37.ptt01.cc, vitalispa.com and two others.

mx156.hostedmxserver.com has 8 IP addresses: 147.182.130.78, 147.182.160.18, 147.182.180.139 plus 5 more.