courserahub.com - robtex.com
courserahub.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.213.45🇺🇸 Amazon13.248.208.0/20 | ||||||
| PTR | a67c48129651a0940.awsglobalaccelerator.com | ||||||
| A | 76.223.67.189🇺🇸 Amazon76.223.64.0/20 | ||||||
| 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 2025-12-02 #3 | ||||||
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=1774613327 | ||||||
Same first word
courserahub.com |
DNS History
4 records (4 active, 0 former)
●NSns37.domaincontrol.com2026-03-19 → 2026-03-27 · 2 obs
● 2026-03-27 12:33:26
●NSns38.domaincontrol.com2026-03-19 → 2026-03-27 · 2 obs
● 2026-03-27 12:33:26
●A13.248.213.452026-03-19 → 2026-03-27 · 2 obs
● 2026-03-27 12:33:26
●A76.223.67.1892026-03-19 → 2026-03-27 · 2 obs
● 2026-03-27 12:33:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net... | - |
| courserahub.com | ns37.domaincontrol.com, ns38.domaincontrol.com | 4 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 courserahub.com (unsigned zone)
⏱️ Timing
Total: 158ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.67.189, 13.248.213.45 |
| 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
IP Addresses
courserahub.com points to two IP numbers: 13.248.213.45 and 76.223.67.189.
Other host names, for instance treloarestates.com, simaptico.biz, risingstartransportation.com, securemd.org and youownittoday.com share IP numbers with courserahub.com.
Name Servers
courserahub.com is delegated to two name servers: ns37.domaincontrol.com and ns38.domaincontrol.com.
courserahub.com uses the same name server setup as other domains, for instance rosine.com, mosesianarts.org, aerios.info, kampgear.com and benintendi.net.
Host names with two IP numbers:
The host ns37.domaincontrol.com points to 2603:5:21c1::13 and 97.74.108.19.
The host ns38.domaincontrol.com points to 2603:5:22c1::13 and 173.201.76.19.