courseoverview.com - robtex.com
courseoverview.com
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=1774807047 | ||||||
Same first word
courseoverview.com |
DNS History
5 records (5 active, 0 former)
●NSpdns03.domaincontrol.com2015-06-06 → 2026-03-29 · 2 obs
● 2026-03-29 18:18:24
●NSpdns04.domaincontrol.com2015-06-06 → 2026-03-29 · 2 obs
● 2026-03-29 18:18:24
●MXmailstore1.secureserver.net2015-06-06 → 2026-03-29 · 2 obs
● 2026-03-29 18:18:24
●MXsmtp.secureserver.net2015-06-06 → 2026-03-29 · 2 obs
● 2026-03-29 18:18:24
●A96.9.142.52015-06-06 → 2026-03-29 · 2 obs
● 2026-03-29 18:18:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net... | - |
| courseoverview.com | pdns03.domaincontrol.com, pdns04.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.79.51
NS records: pdns03.domaincontrol.com, pdns04.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for courseoverview.com (unsigned zone)
⏱️ Timing
Total: 724ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 96.9.142.5 |
| NS | 2 | pdns03.domaincontrol.com, pdns04.domaincontrol.com |
| MX | 2 | mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0) |
| SOA | 1 | pdns03.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (pdns03.domaincontrol.com, pdns03.domaincontrol.com, pdns04.domaincontrol.com...)
Analysis
IP Addresses
courseoverview.com resolves to a single IP address: 96.9.142.5.
Other host names such as loanbailouts.com, freeurlsearch.com and free1099.org share IP numbers with courseoverview.com.
Name Servers
courseoverview.com's delegation uses two name servers, pdns03.domaincontrol.com and pdns04.domaincontrol.com.
courseoverview.com shares the same name server setup as other domains, for example cogitania.com, thibodaux.com, metalsbp.com, tapecon.co and kwho.me.
courseoverview.com partially shares its name servers with other domains, for example bonjour-sante.ca and zafer.com.tr.
Host names with two IPs:
pdns03.domaincontrol.com points to: 2603:5:21f0::33 and 97.74.111.51
pdns04.domaincontrol.com points to: 2603:5:22f0::33 and 173.201.79.51
Mail Servers
courseoverview.com is handled by two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.
courseoverview.com shares its mail server setup with other domains, including theprincessprinciples.com, drivekelleycourtesymotors.com, etnconsulting.com, phillipsaviationoils.com and skyballinfo.com.
courseoverview.com shares some mail servers with other domains, at least partially, for instance azblogs.com.
Host names with three IP numbers: smtp.secureserver.net points to 216.69.141.71, 216.69.141.84 and 216.69.141.113.
Host names with one IP number: mailstore1.secureserver.net points to 92.204.80.3.