courseforme.com - dns.ninja

courseforme.com

DNSSEC⚠️ Not signed
A13.248.169.48🇺🇸 Amazon13.248.160.0/20
PTRa904c694c05102f30.awsglobalaccelerator.com
A76.223.54.146🇺🇸 Amazon76.223.48.0/20
NSns3.afternic.com ⭐
A97.74.98.65🇺🇸 GODADDY-DNS97.74.98.0/23
PTRns3.afternic.com
NSns4.afternic.com
A173.201.66.65🇺🇸 GODADDY-DNS173.201.66.0/23
PTRns4.namefind.com
NSverification-dnkinu9b4hr8jnd4qenaqn.ns101.verify.hn ⚠️ Not in zone NS records
A13.248.169.48🇺🇸 Amazon13.248.160.0/20
PTRa904c694c05102f30.awsglobalaccelerator.com
A76.223.54.146🇺🇸 Amazon76.223.48.0/20
PTRa904c694c05102f30.awsglobalaccelerator.com
TXTv=spf1 -all
SOAns3.afternic.comdns@jomax.net 2025-10-01 #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=1785810217

Subdomains

mx02.courseforme.com
mx01.courseforme.com
mail.courseforme.com

Same first word

courseforme.es
courseforme.cn
courseforme.com
courseforme.de

DNS History

14 records (5 active, 9 former)

200920112013201520172019202120232025NSns3.afternic.comns4.afternic.comverification-dnkinu9b4hr8jnd4qenaqn.ns101.verify.hnns1.dns4userver.comns2.dns4userver.comns3.dns4userver.comMX.mail.courseforme.commx01.courseforme.commx02.courseforme.comA13.248.169.4876.223.54.14646.30.241.16780.247.64.138
○NSns1.dns4userver.com2015-07-26 → 2017-04-19 · 5 obs
○ 2008-03-20 08:18:00
● 2015-07-26 00:04:14
● 2017-04-19 07:18:16
○ 2026-03-23 15:52:54
○ 2026-08-04 02:37:12
○NSns2.dns4userver.com2015-07-26 → 2017-04-19 · 5 obs
○ 2008-03-20 08:18:00
● 2015-07-26 00:04:14
● 2017-04-19 07:18:16
○ 2026-03-23 15:52:54
○ 2026-08-04 02:37:12
●NSns3.afternic.com2026-03-23 → 2026-08-04 · 3 obs
○ 2017-04-19 07:18:16
● 2026-03-23 15:52:54
● 2026-08-04 02:37:12
○NSns3.dns4userver.com2015-07-26 → 2017-04-19 · 5 obs
○ 2008-03-20 08:18:00
● 2015-07-26 00:04:14
● 2017-04-19 07:18:16
○ 2026-03-23 15:52:54
○ 2026-08-04 02:37:12
●NSns4.afternic.com2026-03-23 → 2026-08-04 · 3 obs
○ 2017-04-19 07:18:16
● 2026-03-23 15:52:54
● 2026-08-04 02:37:12
●NSverification-dnkinu9b4hr8jnd4qenaqn.ns101.verify.hn2026-03-23 → 2026-08-04 · 3 obs
○ 2017-04-19 07:18:16
● 2026-03-23 15:52:54
● 2026-08-04 02:37:12
○MX.2026-03-23 → 2026-08-04 · 2 obs
○ 2026-03-23 15:52:54
○ 2026-08-04 02:37:12
○MXmail.courseforme.com2015-07-26 → 2017-04-19 · 5 obs
○ 2008-03-20 08:18:00
● 2015-07-26 00:04:14
● 2017-04-19 07:18:16
○ 2026-03-23 15:52:54
○ 2026-08-04 02:37:12
○MXmx01.courseforme.com2008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 08:18:00
○ 2015-07-26 00:04:14
○ 2026-08-04 02:37:12
○MXmx02.courseforme.com2008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 08:18:00
○ 2015-07-26 00:04:14
○ 2026-08-04 02:37:12
●A13.248.169.482026-03-23 → 2026-08-04 · 3 obs
○ 2017-04-19 07:18:16
● 2026-03-23 15:52:54
● 2026-08-04 02:37:12
○A46.30.241.1672015-07-26 → 2017-04-19 · 5 obs
○ 2008-03-20 08:18:00
● 2015-07-26 00:04:14
● 2017-04-19 07:18:16
○ 2026-03-23 15:52:54
○ 2026-08-04 02:37:12
●A76.223.54.1462026-03-23 → 2026-08-04 · 3 obs
○ 2017-04-19 07:18:16
● 2026-03-23 15:52:54
● 2026-08-04 02:37:12
○A80.247.64.1382008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 08:18:00
○ 2015-07-26 00:04:14
○ 2026-08-04 02:37:12

🔍 DNS Trace

Analysis

Hierarchy

courseforme.com is the parent domain of mx02.courseforme.com, mx01.courseforme.com and mail.courseforme.com.

IP Addresses

courseforme.com directs to two IP numbers, 13.248.169.48 and 76.223.54.146

Two other host names, along with samstransport.com, motormanufacturers.com and modoofree.com, also share IP numbers with courseforme.com.

Name Servers

courseforme.com carries NS records delegating to ns3.afternic.com, ns4.afternic.com and verification-dnkinu9b4hr8jnd4qenaqn.ns101.verify.hn.

courseforme.com shares at least some of its name servers with other domains, including www.diarystar.com, neopacific.com, ringcha.com and two others.

These name servers are frequently paired with the name servers verification-frsgyqgb387khmr9jzuunx.ns101.verify.hn and verification-gx9m4qbbvukhxvxdk2zdbk.ns101.verify.hn.

Host names that have two IP addresses:

verification-dnkinu9b4hr8jnd4qenaqn.ns101.verify.hn resolves to two addresses: 13.248.169.48 and 76.223.54.146.

Host names that point to one IP address:

The hostname ns3.afternic.com resolves to 97.74.98.65.

The hostname ns4.afternic.com resolves to 173.201.66.65.