courseworkbooks.com - robtex.com
courseworkbooks.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=1774900377 | ||||||
Same first word
courseworkbooks.com |
DNS History
6 records (4 active, 2 former)
●NSns37.domaincontrol.com2015-06-20 → 2026-03-30 · 2 obs
● 2026-03-30 20:12:24
●NSns38.domaincontrol.com2015-06-20 → 2026-03-30 · 2 obs
● 2026-03-30 20:12:24
●MXcourseworkbooks-com.mail.protection.outlook.com2026-03-30 → 2026-03-30 · 2 obs
● 2026-03-30 20:12:24
○MXmailstore1.secureserver.net2015-06-20 → 2017-06-23 · 3 obs
● 2017-06-23 05:33:40
○ 2026-03-30 20:12:24
○MXsmtp.secureserver.net2015-06-20 → 2017-06-23 · 3 obs
● 2017-06-23 05:33:40
○ 2026-03-30 20:12:24
●A23.229.190.362015-06-20 → 2026-03-30 · 2 obs
● 2026-03-30 20:12:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net... | - |
| courseworkbooks.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 courseworkbooks.com (unsigned zone)
⏱️ Timing
Total: 63ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.229.190.36 |
| NS | 2 | ns37.domaincontrol.com, ns38.domaincontrol.com |
| MX | 1 | courseworkbooks-com.mail.protection.outl |
| TXT | 4 | google-site-verification=qn8BBzui28rCiQE, NETORGFT9744142.onmicrosoft.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
courseworkbooks.com points to a single IP: 23.229.190.36.
Other host names, for instance mail.flagworld.com, 36.190.229.23.host.secureserver.net, mail.vailranchselfstorage.com, mail.hsnj.net and spurrvpark.com share IP numbers with courseworkbooks.com.
Name Servers
courseworkbooks.com's delegation is to two name servers ns37.domaincontrol.com and ns38.domaincontrol.com.
courseworkbooks.com shares the same name server configuration as other domains, such as oxfordsciencesinnovation.com, archops.com, lanchik.com, intercovanet.com and (0x6e616b6564)-fitness.com.
Host names with two IP numbers: ns37.domaincontrol.com points to 2603:5:21c1::13 and 97.74.108.19; ns38.domaincontrol.com points to 2603:5:22c1::13 and 173.201.76.19
Mail Servers
courseworkbooks.com is served by a single mail server, courseworkbooks-com.mail.protection.outlook.com.
The host name courseworkbooks-com.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:c902::1, 2a01:111:f403:f804::3, 2a01:111:f403:f908::, 2a01:111:f403:f912::, 52.101.9.21, 52.101.11.17, 52.101.40.0 and 52.101.40.6.