mail.smartcourses.com - robtex.com

mail.smartcourses.com

DNSSEC⚠️ Not signed
A3.33.243.145🇺🇸 Amazon3.33.240.0/20
PTRa3edc0dabdef92d6d.awsglobalaccelerator.com
A15.197.204.56🇺🇸 Amazon15.197.192.0/20
TXTv=spf1 -all

smartcourses.com

DNSSEC⚠️ Not signed
A3.33.243.145🇺🇸 Amazon3.33.240.0/20
A15.197.204.56🇺🇸 Amazon15.197.192.0/20
NSns37.domaincontrol.com ⭐
NSns38.domaincontrol.com
SOAns37.domaincontrol.comdns@jomax.net 2023-03-31 #10

Previously MX for

smartcourses.com

Same first word

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mail.ws
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mail.gov.af
mail.hashbang.sh
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mail.(0x6c6f6c697461)punk.jp
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lima.me
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DNS History

3 records (2 active, 1 former)

20162017201820192020202120222023202420252026A15.197.204.563.33.243.145176.32.226.54
●A15.197.204.562026-04-25 → 2026-04-25 · 3 obs
○ 2017-01-02 12:53:10
● 2026-04-25 12:39:02
● 2026-04-25 12:39:04
○A176.32.226.542015-08-13 → 2017-01-02 · 4 obs
● 2015-08-13 14:33:48
● 2017-01-02 12:53:10
○ 2026-04-25 12:39:02
○ 2026-04-25 12:39:04
●A3.33.243.1452026-04-25 → 2026-04-25 · 3 obs
○ 2017-01-02 12:53:10
● 2026-04-25 12:39:02
● 2026-04-25 12:39:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net...-
smartcourses.comns37.domaincontrol.com, ns38.domaincontrol.com4 records

✅ Authoritative Response

Server:97.74.108.19

NS records: ns37.domaincontrol.com, ns38.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smartcourses.com (unsigned zone)

⏱️ Timing

Total: 337ms | Queries: -

📄 Records

TypeCountSample Data
A215.197.204.56, 3.33.243.145
TXT1v=spf1 -all

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns37.domaincontrol.com, ns37.domaincontrol.com, ns38.domaincontrol.com...)

Analysis

IP Addresses

mail.smartcourses.com points to two IP numbers: 3.33.243.145 and 15.197.204.56.

Other host names, for instance destinationpune.com, leadersofwhat.com, scifest.com, saponline.com and kunstmaschine.com share IP numbers with mail.smartcourses.com.