thecoolbook.com - robtex.com
thecoolbook.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=1771291435 | ||||||
Subdomains
www.thecoolbook.com |
Same first word
thecoolbook.com |
DNS History
10 records (5 active, 5 former)
●NSns43.domaincontrol.com2015-07-19 → 2026-03-24 · 2 obs
● 2026-03-24 02:46:56
●NSns44.domaincontrol.com2015-07-19 → 2026-03-24 · 2 obs
● 2026-03-24 02:46:56
○NSns5.secureserver.net2017-04-08 → 2017-04-08 · 3 obs
● 2017-04-08 19:00:52
○ 2026-03-24 02:46:56
○NSns6.secureserver.net2017-04-08 → 2017-04-08 · 3 obs
● 2017-04-08 19:00:52
○ 2026-03-24 02:46:56
○MXmailstore1.secureserver.net2015-07-19 → 2017-04-08 · 3 obs
● 2017-04-08 19:00:52
○ 2026-03-24 02:46:56
○MXsmtp.secureserver.net2015-07-19 → 2017-04-08 · 3 obs
● 2017-04-08 19:00:52
○ 2026-03-24 02:46:56
●MXthecoolbook-com.mail.protection.outlook.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 02:46:56
●A15.197.148.332026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 02:46:56
○A160.153.33.982015-07-19 → 2017-04-08 · 3 obs
● 2017-04-08 19:00:52
○ 2026-03-24 02:46:56
●A3.33.130.1902026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 02:46:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| thecoolbook.com | ns43.domaincontrol.com, ns44.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.101.22
NS records: ns43.domaincontrol.com, ns44.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for thecoolbook.com (unsigned zone)
⏱️ Timing
Total: 137ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns43.domaincontrol.com, ns44.domaincontrol.com |
| MX | 1 | thecoolbook-com.mail.protection.outlook. |
| TXT | 2 | v=spf1 include:secureserver.net -all, NETORGFT7535134.onmicrosoft.com |
| SOA | 1 | ns43.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns43.domaincontrol.com, ns43.domaincontrol.com, ns44.domaincontrol.com...)
Analysis
Hierarchy
thecoolbook.com is the parent of www.thecoolbook.com.
IP Addresses
thecoolbook.com resolves to two IP numbers: 3.33.130.190 and 15.197.148.33.
other host names including houseoftec.com, eventusdevelopment.com, thebeautybarinla.com, addictedart.com and flight-share.com share IP numbers with thecoolbook.com.
Name Servers
thecoolbook.com is delegated to two name servers ns43.domaincontrol.com and ns44.domaincontrol.com.
thecoolbook.com shares the same name server setup as other domains, for instance shocks.com.au, postocerto.com, gregstrain.com, cbstore.org and hassanmian.net.
thecoolbook.com shares name servers with other domains at least partially, for example americanfoodstore.com and e-matters.de.
Host names with two IP numbers:
The host name ns43.domaincontrol.com points to 2603:5:2152::16 and 97.74.101.22; the host name ns44.domaincontrol.com points to 2603:5:2252::16 and 173.201.69.22.
Mail Servers
thecoolbook.com is handled by a single mail server, thecoolbook-com.mail.protection.outlook.com.
Host thecoolbook-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::, 2a01:111:f403:c902::2, 2a01:111:f403:c903::3, 2a01:111:f403:f901::2, 52.101.10.6, 52.101.41.28, 52.101.50.7 and 52.101.194.15.