coursepub.com - robtex.com
coursepub.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=1776608877 | ||||||
Same first word
coursepub.com |
Similar names
DNS History
7 records (6 active, 1 former)
●NSns33.domaincontrol.com2015-06-27 → 2026-04-19 · 2 obs
● 2026-04-19 14:44:46
●NSns34.domaincontrol.com2015-06-27 → 2026-04-19 · 2 obs
● 2026-04-19 14:44:46
●MXmailstore1.secureserver.net2015-06-27 → 2026-04-19 · 2 obs
● 2026-04-19 14:44:46
●MXsmtp.secureserver.net2015-06-27 → 2026-04-19 · 2 obs
● 2026-04-19 14:44:46
●A15.197.148.332026-04-07 → 2026-04-19 · 3 obs
● 2026-04-07 20:45:06
● 2026-04-19 14:44:46
●A3.33.130.1902026-04-07 → 2026-04-19 · 3 obs
● 2026-04-07 20:45:06
● 2026-04-19 14:44:46
○A50.63.202.632015-06-27 → 2020-02-19 · 4 obs
● 2020-02-19 20:44:34
○ 2026-04-07 20:45:06
○ 2026-04-19 14:44:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net... | - |
| coursepub.com | ns33.domaincontrol.com, ns34.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.106.17
NS records: ns33.domaincontrol.com, ns34.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coursepub.com (unsigned zone)
⏱️ Timing
Total: 142ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns33.domaincontrol.com, ns34.domaincontrol.com |
| MX | 2 | mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0) |
| SOA | 1 | ns33.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns33.domaincontrol.com, ns33.domaincontrol.com, ns34.domaincontrol.com...)
Analysis
IP Addresses
coursepub.com points to two IP numbers: 3.33.130.190 and 15.197.148.33.
Other host names such as paisaguru.com, thedentjerk.com, compassionatehomevets.net, zenaday.com and priddyservices.com share IPs with coursepub.com.
Name Servers
coursepub.com is delegated to two name servers: ns33.domaincontrol.com and ns34.domaincontrol.com.
coursepub.com shares the same name server setup as bullfrogsolar.com, peteranderson.us, prohd(0x706f726e).com, myxplora.co.uk and dimensionalanalyticsolutions.com.
Host names with two IP numbers: ns33.domaincontrol.com points to: 2603:5:21a1::11 and 97.74.106.17; ns34.domaincontrol.com points to: 2603:5:22a1::11 and 173.201.74.17.
Mail Servers
coursepub.com is handled by two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.
The mail server setup for coursepub.com matches that of other domains, for instance ren-bo.net, premierestatebuyers.net, cert-la.info, amyhiemstra.com and cxmatters.org.
coursepub.com shares some mail servers with other domains, for instance bwappservice.com, etcoto.com and mtbo.ch.
Host names with three IP numbers: mailstore1.secureserver.net points to 216.69.141.78, 216.69.141.114 and 216.69.141.162; smtp.secureserver.net points to 216.69.141.71, 216.69.141.84 and 216.69.141.113.