lesson.ca - dns.ninja

lesson.ca

DNSSEC⚠️ Not signed
A51.222.143.2🇨🇦 OVH51.222.0.0/16 Hosting route
PTRslave3.namespro.ca
NShtns1.namespro.ca ⭐
A82.180.163.101🇺🇸 IIHOS00182.180.160.0/22 HOSTINGER US
PTRhtns1.namespro.ca
NShtns2.namespro.ca
A69.164.251.118🇺🇸 RoadRunner69.164.248.0/22 DFW1
NShtns3.namespro.ca
A213.255.209.16🇨🇦 AS54913213.255.209.0/24 CLOUDWEBMANAGE-CA-TR
MXmailroot8.namespro.ca ⭐
A209.127.13.246🇨🇦 SERVER-MANIA209.127.0.0/20 Server Mania Inc
PTRmailroot8.namespro.ca
TXTv=spf1 mx include:_spf.mailroots.namespro.ca ~all
SOAhtns1.namespro.casupport@namespro.ca serial=1763283785

ca

DNSSEC🔒 Signed (DS record present)
NSprd-czp-05.corp.cira.ca ⭐
NSany.ca-servers.ca
NSc.ca-servers.ca
NSd.ca-servers.ca
NSj.ca-servers.ca
SOAprd-czp-05.corp.cira.caadmin-dns@cira.ca serial=2607140400

Subdomains

mail.lesson.ca

Same first word

lesson.zone
lesson.ca
lesson.fr
lesson.us
lesson.ltd
lesson.co.nz
lesson.tw
lesson.hu
lesson.tokyo
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lesson.website
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lesson.se
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lesson.at
lesson.cz
lesson.tv
lesson.net
lesson.mobi
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lesson.es
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lesson.ne.jp
lesson.expert
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lesson.com.tw
lesson.box
lesson.guru
lesson.in
lesson.ly
lesson.asia
lesson.gr
lesson.ru
lesson.nyc
lesson.dk
lesson.eu
lesson.am
lesson.de
lesson.live

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sensol.com.au
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olsens.eu

DNS History

12 records (5 active, 7 former)

20162017201820192020202120222023202420252026NShtns1.namespro.cahtns2.namespro.cahtns3.namespro.caauth1.egatedomains.caauth2.egatedomains.caslns1.namespro.caslns2.namespro.caMXmailroot8.namespro.camail.lesson.caA51.222.143.2216.235.2.13670.85.232.2
○NSauth1.egatedomains.ca2015-05-10 → 2016-01-31 · 4 obs
● 2015-05-10 02:52:58
● 2016-01-31 04:21:20
○ 2016-08-11 03:49:38
○ 2026-07-14 04:51:28
○NSauth2.egatedomains.ca2015-05-10 → 2016-01-31 · 4 obs
● 2015-05-10 02:52:58
● 2016-01-31 04:21:20
○ 2016-08-11 03:49:38
○ 2026-07-14 04:51:28
●NShtns1.namespro.ca2026-05-13 → 2026-07-14 · 3 obs
○ 2016-11-27 12:23:02
● 2026-05-13 19:06:28
● 2026-07-14 04:51:28
●NShtns2.namespro.ca2026-05-13 → 2026-07-14 · 3 obs
○ 2016-11-27 12:23:02
● 2026-05-13 19:06:28
● 2026-07-14 04:51:28
●NShtns3.namespro.ca2026-05-13 → 2026-07-14 · 3 obs
○ 2016-11-27 12:23:02
● 2026-05-13 19:06:28
● 2026-07-14 04:51:28
○NSslns1.namespro.ca2016-08-11 → 2016-11-27 · 5 obs
○ 2016-01-31 04:21:20
● 2016-08-11 03:49:38
● 2016-11-27 12:23:02
○ 2026-05-13 19:06:28
○ 2026-07-14 04:51:28
○NSslns2.namespro.ca2016-08-11 → 2016-11-27 · 5 obs
○ 2016-01-31 04:21:20
● 2016-08-11 03:49:38
● 2016-11-27 12:23:02
○ 2026-05-13 19:06:28
○ 2026-07-14 04:51:28
○MXmail.lesson.ca2016-08-11 → 2016-11-27 · 4 obs
● 2016-08-11 03:49:38
● 2016-11-27 12:23:02
○ 2026-05-13 19:06:28
○ 2026-07-14 04:51:28
●MXmailroot8.namespro.ca2026-05-13 → 2026-07-14 · 3 obs
○ 2016-11-27 12:23:02
● 2026-05-13 19:06:28
● 2026-07-14 04:51:28
○A216.235.2.1362015-05-10 → 2016-01-31 · 4 obs
● 2015-05-10 02:52:58
● 2016-01-31 04:21:20
○ 2016-08-11 03:49:38
○ 2026-07-14 04:51:28
●A51.222.143.22026-05-13 → 2026-07-14 · 3 obs
○ 2016-11-27 12:23:02
● 2026-05-13 19:06:28
● 2026-07-14 04:51:28
○A70.85.232.22016-08-11 → 2016-11-27 · 5 obs
○ 2016-01-31 04:21:20
● 2016-08-11 03:49:38
● 2016-11-27 12:23:02
○ 2026-05-13 19:06:28
○ 2026-07-14 04:51:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cad.ca-servers.ca, any.ca-servers.ca, c.ca-servers.ca, j.ca-servers.ca-
lesson.cahtns1.namespro.ca, htns2.namespro.ca, htns3.namespro.ca3 records

✅ Authoritative Response

Server:213.255.209.16

NS records: htns1.namespro.ca, htns2.namespro.ca, htns3.namespro.ca

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lesson.ca (unsigned zone)

⏱️ Timing

Total: 621ms | Queries: -

📄 Records

TypeCountSample Data
A151.222.143.2
NS3htns3.namespro.ca, htns1.namespro.ca...
MX1mailroot8.namespro.ca (pri: 10)
TXT1v=spf1 mx include:_spf.mailroots.namespr
SOA1htns1.namespro.ca support.namespro.ca

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (htns1.namespro.ca, htns2.namespro.ca, htns3.namespro.ca)

Analysis

Hierarchy

lesson.ca is a parent domain of mail.lesson.ca.

IP Addresses

lesson.ca points to a single IP number: 51.222.143.2.

Additional host names — vue.ca, mizer.ca, kirbys.ca and two others — share IP numbers with lesson.ca.

Name Servers

lesson.ca has three name servers — htns1.namespro.ca, htns2.namespro.ca and htns3.namespro.ca.

lesson.ca shares at least some of its name servers with other domains, including fmk.ca, karpo.ca, impact360.ca and two others.

Each of the three hostnames points to exactly one IP address: htns1.namespro.ca points to 82.180.163.101, htns2.namespro.ca points to 69.164.251.118 and htns3.namespro.ca points to 213.255.209.16.

Mail Servers

lesson.ca has one mail server: mailroot8.namespro.ca.

lesson.ca shares the same mail server setup as other domains, including digitaljournalism.ca, itftechnologie.net, montrealultimate.mobi and two others.

mailroot8.namespro.ca points to one IP number — 209.127.13.246.