mail.commcourse.com - robtex.com

mail.commcourse.com

DNSSEC⚠️ Not signed
A2602:ff23:0:8888::208🇺🇸 AS3980192602:ff23::/48 PNAP-PHX003 marla-1
PTRparked.dynu.com
A162.216.242.208🇺🇸 AS398019162.216.242.0/24 Dynu Systems Incorporated

commcourse.com

DNSSEC⚠️ Not signed
A2602:ff23:0:8888::208🇺🇸 AS3980192602:ff23::/48 PNAP-PHX003 marla-1
A162.216.242.208🇺🇸 AS398019162.216.242.0/24 Dynu Systems Incorporated
NSns10.dynu.com ⭐
NSns1.dynu.com ⚠️ Not in zone NS records
NSns11.dynu.com ⚠️ Not in zone NS records
NSns12.dynu.com ⚠️ Not in zone NS records
NSns2.dynu.com
NSns3.dynu.com
NSns4.dynu.com
NSns5.dynu.com
NSns6.dynu.com
NSns7.dynu.com ⚠️ Not in zone NS records
NSns8.dynu.com ⚠️ Not in zone NS records
NSns9.dynu.com ⚠️ Not in zone NS records
SOAns1.dynu.comadministrator@dynu.com serial=1

Previously MX for

mpgen.com

Same first word

mail.training
mail.cd
mail.in.ua
mail.cx
mail.gm
mail.su
mail.toshiba
mail.hosting
mail.net.tr
mail.fm
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mail.blogspot.be
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mail.wedding
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mail.mysecuritycamera.com
mail.microsoft
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mail.org.in
mail.deals
mail.edu.pl
mail.cfolks.pl
mail.cm
mail.go.th
mail.mil.cn
mail.poivron.org
mail.dnshome.de
mail.jp
mail.mp
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DNS History

12 records (2 active, 10 former)

20162017201820192020202120222023202420252026A162.216.242.2082602:ff23:0:8888::208184.168.221.40184.168.221.44184.168.221.49184.168.221.5850.63.202.4550.63.202.4850.63.202.4950.63.202.5550.63.202.5650.63.202.58
●A162.216.242.2082026-02-27 → 2026-03-24 · 3 obs
○ 2016-06-15 19:46:18
● 2026-02-27 16:20:06
● 2026-03-24 08:50:44
○A184.168.221.402015-08-21 → 2016-04-19 · 6 obs
● 2015-08-21 19:55:56
○ 2015-12-08 18:58:58
○ 2016-01-24 04:36:04
● 2016-04-19 14:53:16
○ 2016-06-15 19:46:18
○ 2026-03-24 08:50:44
○A184.168.221.442015-08-21 → 2015-08-21 · 3 obs
● 2015-08-21 19:55:56
○ 2026-02-27 16:20:06
○ 2026-03-24 08:50:44
○A184.168.221.492015-08-21 → 2015-08-21 · 3 obs
● 2015-08-21 19:55:56
○ 2026-02-27 16:20:06
○ 2026-03-24 08:50:44
○A184.168.221.582015-08-21 → 2015-08-21 · 3 obs
● 2015-08-21 19:55:56
○ 2026-02-27 16:20:06
○ 2026-03-24 08:50:44
●A2602:ff23:0:8888::2082026-02-27 → 2026-03-24 · 3 obs
○ 2016-06-15 19:46:18
● 2026-02-27 16:20:06
● 2026-03-24 08:50:44
○A50.63.202.452015-12-20 → 2015-12-20 · 4 obs
○ 2015-12-08 18:58:58
● 2015-12-20 17:02:12
○ 2016-01-24 04:36:04
○ 2026-03-24 08:50:44
○A50.63.202.482015-08-21 → 2015-08-21 · 3 obs
● 2015-08-21 19:55:56
○ 2026-02-27 16:20:06
○ 2026-03-24 08:50:44
○A50.63.202.492016-06-15 → 2016-06-15 · 4 obs
○ 2016-04-19 14:53:16
● 2016-06-15 19:46:18
○ 2026-02-27 16:20:06
○ 2026-03-24 08:50:44
○A50.63.202.552015-12-08 → 2015-12-08 · 4 obs
○ 2015-08-21 19:55:56
● 2015-12-08 18:58:58
○ 2015-12-20 17:02:12
○ 2026-03-24 08:50:44
○A50.63.202.562016-01-24 → 2016-01-24 · 4 obs
○ 2015-12-20 17:02:12
● 2016-01-24 04:36:04
○ 2016-04-19 14:53:16
○ 2026-03-24 08:50:44
○A50.63.202.582015-08-21 → 2015-08-21 · 3 obs
● 2015-08-21 19:55:56
○ 2026-02-27 16:20:06
○ 2026-03-24 08:50:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
commcourse.comns1.dynu.com, ns2.dynu.com, ns3.dynu.com, ns4.dynu.com...23 records

✅ Authoritative Response

Server:139.162.195.230

NS records: ns1.dynu.com, ns2.dynu.com, ns3.dynu.com, ns4.dynu.com, ns5.dynu.com, ns6.dynu.com, ns7.dynu.com, ns8.dynu.com, ns9.dynu.com, ns10.dynu.com, ns11.dynu.com, ns12.dynu.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for commcourse.com (unsigned zone)

⏱️ Timing

Total: 389ms | Queries: -

📄 Records

TypeCountSample Data
A1162.216.242.208
AAAA12602:ff23:0:8888::208

📌 Glue Records Collected

Total: 23

Out-of-bailiwick: 23 (ns1.dynu.com, ns2.dynu.com, ns2.dynu.com...)

Analysis

IP Addresses

mail.commcourse.com points to two IP numbers: 2602:ff23:0:8888::208 and 162.216.242.208.

Other host names, for instance mail.alsafat.net, elenavirginia.net, mail.empleosparati.net, commcourse.com and dynuddns.net share IP numbers with mail.commcourse.com.