jacourses.com - robtex.com
jacourses.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.222.143.2🇨🇦 OVH51.222.0.0/16 Hosting route | ||||||
| PTR | slave3.namespro.ca | ||||||
| NS | htns1.namespro.ca ⭐ | ||||||
| A | 82.180.163.101🇺🇸 IIHOS00182.180.160.0/22 HOSTINGER US | ||||||
| PTR | htns1.namespro.ca | ||||||
| NS | htns2.namespro.ca | ||||||
| A | 69.164.251.118🇺🇸 RoadRunner69.164.248.0/22 DFW1 | ||||||
| NS | htns3.namespro.ca | ||||||
| A | 213.255.209.16🇨🇦 AS54913213.255.209.0/24 CLOUDWEBMANAGE-CA-TR | ||||||
| MX | mailroot8.namespro.ca ⭐ | ||||||
| A | 209.127.13.246🇨🇦 SERVER-MANIA209.127.0.0/20 Server Mania Inc | ||||||
| TXT | v=spf1 mx include:_spf.mailroots.namespro.ca ~all | ||||||
| SOA | htns1.namespro.casupport@namespro.ca serial=1771861992 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774772427 | ||||||
Same first word
jacourses.com |
DNS History
13 records (5 active, 8 former)
●NShtns1.namespro.ca2026-03-24 → 2026-03-29 · 3 obs
● 2026-03-24 06:20:50
● 2026-03-29 08:45:42
●NShtns2.namespro.ca2026-03-24 → 2026-03-29 · 3 obs
● 2026-03-24 06:20:50
● 2026-03-29 08:45:42
●NShtns3.namespro.ca2026-03-24 → 2026-03-29 · 3 obs
● 2026-03-24 06:20:50
● 2026-03-29 08:45:42
○NSlia.ns.cloudflare.com2016-12-20 → 2017-12-06 · 4 obs
● 2017-12-06 06:50:20
○ 2026-03-24 06:20:50
○ 2026-03-29 08:45:42
○NSmajor.ns.cloudflare.com2016-12-20 → 2017-12-06 · 4 obs
● 2017-12-06 06:50:20
○ 2026-03-24 06:20:50
○ 2026-03-29 08:45:42
○MXdc-0088d6fd-mail.jacourses.com2016-12-20 → 2016-12-20 · 3 obs
○ 2017-12-06 06:50:20
○ 2026-03-29 08:45:42
○MXdc-d72410770f08.jacourses.com2017-12-06 → 2017-12-06 · 4 obs
● 2017-12-06 06:50:20
○ 2026-03-24 06:20:50
○ 2026-03-29 08:45:42
●MXmailroot8.namespro.ca2026-03-24 → 2026-03-29 · 3 obs
● 2026-03-24 06:20:50
● 2026-03-29 08:45:42
○A104.28.16.502016-12-20 → 2017-12-06 · 4 obs
● 2017-12-06 06:50:20
○ 2026-03-24 06:20:50
○ 2026-03-29 08:45:42
○A104.28.17.502016-12-20 → 2017-12-06 · 4 obs
● 2017-12-06 06:50:20
○ 2026-03-24 06:20:50
○ 2026-03-29 08:45:42
○A2400:cb00:2048:1::681c:10322016-12-20 → 2017-12-06 · 4 obs
● 2017-12-06 06:50:20
○ 2026-03-24 06:20:50
○ 2026-03-29 08:45:42
○A2400:cb00:2048:1::681c:11322016-12-20 → 2017-12-06 · 4 obs
● 2017-12-06 06:50:20
○ 2026-03-24 06:20:50
○ 2026-03-29 08:45:42
●A51.222.143.22026-03-24 → 2026-03-29 · 3 obs
● 2026-03-24 06:20:50
● 2026-03-29 08:45:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| jacourses.com | htns1.namespro.ca, htns2.namespro.ca, htns3.namespro.ca | - |
✅ Authoritative Response
Server:82.180.163.101
NS records: htns1.namespro.ca, htns2.namespro.ca, htns3.namespro.ca
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jacourses.com (unsigned zone)
⏱️ Timing
Total: 687ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.222.143.2 |
| NS | 3 | htns3.namespro.ca, htns2.namespro.ca... |
| MX | 1 | mailroot8.namespro.ca (pri: 10) |
| TXT | 1 | v=spf1 mx include:_spf.mailroots.namespr |
| SOA | 1 | htns1.namespro.ca support.namespro.ca |
Analysis
IP Addresses
jacourses.com points to a single IP: 51.222.143.2.
Other host names, for instance jpeg.ca, courrierpresto.com, ebe.ca, clews.ca and phdn.ca share IP numbers with jacourses.com.
Name Servers
jacourses.com is delegated to three name servers: htns1.namespro.ca, htns2.namespro.ca and htns3.namespro.ca.
jacourses.com partially shares name servers with other domains; examples include dylanmunro.ca, fuelsaver.ca, dvi.ca, daytrips.ca and tigragroup.ca.
Host names with one IP number:
Host htns1.namespro.ca points to 82.180.163.101.
Host htns2.namespro.ca points to 69.164.251.118.
Host htns3.namespro.ca points to 213.255.209.16.
Mail Servers
jacourses.com is handled by a single mail server, mailroot8.namespro.ca.
jacourses.com has the same mail server setup as other domains, including hja.ca, paybm.com, santamaria.ca, aty.ca and qsh.ca.
mailroot8.namespro.ca points to a single IP: 209.127.13.246.