smartcourses.com - dns.ninja
smartcourses.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.243.145🇺🇸 Amazon3.33.240.0/20 | ||||||
| PTR | a3edc0dabdef92d6d.awsglobalaccelerator.com | ||||||
| A | 15.197.204.56🇺🇸 Amazon15.197.192.0/20 | ||||||
| NS | ns37.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21c1::13🇺🇸 GODADDY-DNS2603:5:21c0::/44 | ||||||
| PTR | ns37.domaincontrol.com | ||||||
| A | 97.74.108.19🇺🇸 GODADDY-DNS97.74.108.0/23 | ||||||
| PTR | ns37.domaincontrol.com | ||||||
| NS | ns38.domaincontrol.com | ||||||
| A | 2603:5:22c1::13🇺🇸 GODADDY-DNS2603:5:22c0::/44 | ||||||
| PTR | ns38.domaincontrol.com | ||||||
| A | 173.201.76.19🇺🇸 GODADDY-DNS173.201.76.0/23 | ||||||
| PTR | ns38.domaincontrol.com | ||||||
| SOA | ns37.domaincontrol.comdns@jomax.net 2023-03-31 #10 | ||||||
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=1785449827 | ||||||
Subdomains
mail.smartcourses.com |
Same first word
smartcourses.net |
smartcourses.com |
Similar names
DNS History
8 records (4 active, 4 former)
○NSns.mainnameserver.com2015-08-26 → 2017-07-08 · 4 obs
● 2017-07-08 08:12:30
○ 2026-04-25 09:37:12
○ 2026-07-30 22:24:46
○NSns2.mainnameserver.com2015-08-26 → 2017-07-08 · 4 obs
● 2017-07-08 08:12:30
○ 2026-04-25 09:37:12
○ 2026-07-30 22:24:46
●NSns37.domaincontrol.com2026-04-25 → 2026-07-30 · 3 obs
● 2026-04-25 09:37:12
● 2026-07-30 22:24:46
●NSns38.domaincontrol.com2026-04-25 → 2026-07-30 · 3 obs
● 2026-04-25 09:37:12
● 2026-07-30 22:24:46
○MXmail.smartcourses.com2015-08-26 → 2017-07-08 · 4 obs
● 2017-07-08 08:12:30
○ 2026-04-25 09:37:12
○ 2026-07-30 22:24:46
●A15.197.204.562026-04-25 → 2026-07-30 · 3 obs
● 2026-04-25 09:37:12
● 2026-07-30 22:24:46
●A3.33.243.1452026-04-25 → 2026-07-30 · 3 obs
● 2026-04-25 09:37:12
● 2026-07-30 22:24:46
○A72.32.249.982015-08-26 → 2017-07-08 · 4 obs
● 2017-07-08 08:12:30
○ 2026-04-25 09:37:12
○ 2026-07-30 22:24:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net... | - |
| smartcourses.com | ns37.domaincontrol.com, ns38.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.76.19
NS records: ns37.domaincontrol.com, ns38.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for smartcourses.com (unsigned zone)
⏱️ Timing
Total: 151ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.204.56, 3.33.243.145 |
| NS | 2 | ns37.domaincontrol.com, ns38.domaincontrol.com |
| SOA | 1 | ns37.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns37.domaincontrol.com, ns37.domaincontrol.com, ns38.domaincontrol.com...)
Analysis
Hierarchy
smartcourses.com is the parent zone for mail.smartcourses.com.
IP Addresses
smartcourses.com resolves to the IP addresses 3.33.243.145 and 15.197.204.56
planners.ws, pacsvu.com, localities.ca plus two other host names have IP numbers in common with smartcourses.com.
Name Servers
smartcourses.com is delegated to two name servers: ns37.domaincontrol.com and ns38.domaincontrol.com.
The name server configuration of smartcourses.com is shared with other domains, for instance kydoh.com, mtlren.com, richmondmaster.com and two others.
ns37.domaincontrol.com and ns38.domaincontrol.com each resolve to two IP addresses: ns37.domaincontrol.com points to 97.74.108.19 and 2603:5:21c1::13, while ns38.domaincontrol.com points to 173.201.76.19 and 2603:5:22c1::13.