cppbook.com - robtex.com
cppbook.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 52.29.94.27🇩🇪 Amazon52.29.0.0/16 EC2 FRA prefix | ||||||
| PTR | no11.unternehmen.com | ||||||
| NS | ns2.unternehmen.org ⭐ | ||||||
| A | 18.184.215.39🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix | ||||||
| PTR | ec2-18-184-215-39.eu-central-1.compute.amazonaws.com | ||||||
| NS | ns.unternehmen.org | ||||||
| A | 52.29.94.27🇩🇪 Amazon52.29.0.0/16 EC2 FRA prefix | ||||||
| PTR | no11.unternehmen.com | ||||||
| MX | mailgate.unternehmen.com ⭐ | ||||||
| A | 18.184.215.39🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix | ||||||
| PTR | ec2-18-184-215-39.eu-central-1.compute.amazonaws.com | ||||||
| MX | mailgate2.unternehmen.com ⭐ | ||||||
| A | 18.184.215.39🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix | ||||||
| PTR | ec2-18-184-215-39.eu-central-1.compute.amazonaws.com | ||||||
| SOA | ns.unternehmen.orgth@unternehmen.com 2018-09-07 #1 | ||||||
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=1787353359 | ||||||
Previously MX for
cppbook.com |
Same first word
cppbook.com |
Similar names
Previous names
Next names
DNS History
15 records (5 active, 10 former)
●NSns.unternehmen.org2026-08-21 → 2026-08-21 · 3 obs
● 2026-08-21 10:30:56
● 2026-08-21 23:13:06
○NSns09.domaincontrol.com2017-05-20 → 2017-05-20 · 4 obs
● 2017-05-20 16:33:58
○ 2026-08-21 10:30:56
○ 2026-08-21 23:13:06
○NSns10.az.pl2015-07-07 → 2016-02-06 · 4 obs
● 2016-02-06 10:36:54
○ 2016-05-04 04:00:20
○ 2026-08-21 23:13:06
○NSns10.domaincontrol.com2017-05-20 → 2017-05-20 · 4 obs
● 2017-05-20 16:33:58
○ 2026-08-21 10:30:56
○ 2026-08-21 23:13:06
○NSns11.az.pl2015-07-07 → 2016-02-06 · 4 obs
● 2016-02-06 10:36:54
○ 2016-05-04 04:00:20
○ 2026-08-21 23:13:06
○NSns12.az.pl2015-07-07 → 2016-02-06 · 4 obs
● 2016-02-06 10:36:54
○ 2016-05-04 04:00:20
○ 2026-08-21 23:13:06
●NSns2.unternehmen.org2026-08-21 → 2026-08-21 · 3 obs
● 2026-08-21 10:30:56
● 2026-08-21 23:13:06
○MXcppbook.com2015-07-07 → 2016-02-06 · 4 obs
● 2016-02-06 10:36:54
○ 2016-05-04 04:00:20
○ 2026-08-21 23:13:06
●MXmailgate.unternehmen.com2026-08-21 → 2026-08-21 · 3 obs
● 2026-08-21 10:30:56
● 2026-08-21 23:13:06
●MXmailgate2.unternehmen.com2026-08-21 → 2026-08-21 · 3 obs
● 2026-08-21 10:30:56
● 2026-08-21 23:13:06
○MXmailstore1.secureserver.net2017-05-20 → 2017-05-20 · 4 obs
● 2017-05-20 16:33:58
○ 2026-08-21 10:30:56
○ 2026-08-21 23:13:06
○MXsmtp.secureserver.net2017-05-20 → 2017-05-20 · 4 obs
● 2017-05-20 16:33:58
○ 2026-08-21 10:30:56
○ 2026-08-21 23:13:06
○A185.53.177.202017-05-20 → 2017-05-20 · 4 obs
● 2017-05-20 16:33:58
○ 2026-08-21 10:30:56
○ 2026-08-21 23:13:06
○A46.242.145.972015-07-07 → 2016-02-06 · 4 obs
● 2016-02-06 10:36:54
○ 2016-05-04 04:00:20
○ 2026-08-21 23:13:06
●A52.29.94.272026-08-21 → 2026-08-21 · 3 obs
● 2026-08-21 10:30:56
● 2026-08-21 23:13:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cppbook.com | ns.unternehmen.org, ns2.unternehmen.org | - |
✅ Authoritative Response
Server:18.184.215.39
NS records: ns.unternehmen.org, ns2.unternehmen.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cppbook.com (unsigned zone)
⏱️ Timing
Total: 1763ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.29.94.27 |
| NS | 2 | ns.unternehmen.org, ns2.unternehmen.org |
| MX | 2 | mailgate.unternehmen.com (pri: 10), mailgate2.unternehmen.com (pri: 10) |
| SOA | 1 | ns.unternehmen.org th.unternehmen.com |
Analysis
IP Addresses
cppbook.com directs to one IP number, which is 52.29.94.27.
Among the host names that share IP numbers with cppbook.com are guidotti.de, ns.unternehmen.org, cppmove.com and two others.
Name Servers
cppbook.com is served by two delegated name servers, ns2.unternehmen.org and ns.unternehmen.org.
cppbook.com has the same name server delegation as a number of other domains, such as re-natur.com, maria-regina.net, werrapapier.de and two more.
At least some of cppbook.com's name servers are shared with other domains, for example gfe-schmalkalden.de, gridds.ch, wirkenimsein.com and two more.
These name servers tend to be used in conjunction with the name servers ns2.ns2.de.
Each of ns2.unternehmen.org and ns.unternehmen.org has one IP address: ns2.unternehmen.org uses 18.184.215.39 and ns.unternehmen.org uses 52.29.94.27.
Mail Servers
The MX records for cppbook.com point to two mail servers: mailgate2.unternehmen.com and mailgate.unternehmen.com.
cppbook.com has the same mail server arrangement as a number of other domains, for example cppstd17.com, daddybaer.ch, cppmove.com and two more.
cppbook.com shares at least some of its mail servers with other domains — for example boschgmbh.eu, verteilte-teams.de, edinar.de and two more.
It is common to find these mail servers used together with the mail servers no10.unternehmen.com and mx2.unternehmen.com.
mailgate2.unternehmen.com and mailgate.unternehmen.com share one IP address between them — 18.184.215.39.
These two host names — mailgate2.unternehmen.com and mailgate.unternehmen.com — each point to 18.184.215.39 IP addresses.