ctools.de - dns.ninja
ctools.de
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1780651616 | ||||||
Subdomains
Same first word
Similar names
DNS History
13 records (6 active, 7 former)
○NSb.ns14.net2015-10-20 → 2017-03-20 · 5 obs
● 2015-10-20 17:51:44
● 2017-03-20 04:17:36
○ 2020-03-28 22:06:44
○ 2026-06-05 09:28:16
○NSns.checon.net2015-04-28 → 2017-03-20 · 4 obs
● 2017-03-20 04:17:36
○ 2020-03-28 22:06:44
○ 2026-06-05 09:28:16
●NSns1.schalk-it.de2020-03-28 → 2026-06-05 · 3 obs
● 2020-03-28 22:06:44
● 2026-06-05 09:28:16
○NSns10.ns10.de2015-04-28 → 2015-04-28 · 3 obs
○ 2015-10-20 17:51:44
○ 2026-06-05 09:28:16
●NSns2.schalk-it.de2020-03-28 → 2026-06-05 · 3 obs
● 2020-03-28 22:06:44
● 2026-06-05 09:28:16
○NSns3.checon.net2015-04-28 → 2015-04-28 · 3 obs
○ 2015-10-20 17:51:44
○ 2026-06-05 09:28:16
●NSns3.schalk-it.de2020-03-28 → 2026-06-05 · 3 obs
● 2020-03-28 22:06:44
● 2026-06-05 09:28:16
●NSns4.schalk-it.de2020-03-28 → 2026-06-05 · 3 obs
● 2020-03-28 22:06:44
● 2026-06-05 09:28:16
○NSns6.checon.de2015-10-20 → 2017-03-20 · 5 obs
● 2015-10-20 17:51:44
● 2017-03-20 04:17:36
○ 2020-03-28 22:06:44
○ 2026-06-05 09:28:16
●MXmail.ctools.de2026-02-17 → 2026-06-05 · 3 obs
● 2026-02-17 01:33:22
● 2026-06-05 09:28:16
○MXmailin.ctools.de2015-04-28 → 2017-03-20 · 4 obs
● 2017-03-20 04:17:36
○ 2020-03-28 22:06:44
○ 2026-06-05 09:28:16
○MXmx01.schalk-it.de2020-03-28 → 2020-03-28 · 4 obs
● 2020-03-28 22:06:44
○ 2026-02-17 01:33:22
○ 2026-06-05 09:28:16
●A194.97.156.1302015-04-28 → 2026-06-05 · 2 obs
● 2026-06-05 09:28:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| ctools.de | ns3.schalk-it.de, ns4.schalk-it.de, ns1.schalk-it.de, ns2.schalk-it.de | 8 records |
✅ Authoritative Response
Server:217.160.81.161
NS records: ns3.schalk-it.de, ns4.schalk-it.de, ns1.schalk-it.de, ns2.schalk-it.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctools.de (unsigned zone)
⏱️ Timing
Total: 857ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 194.97.156.130 |
| NS | 4 | ns1.schalk-it.de, ns4.schalk-it.de... |
| MX | 1 | mail.ctools.de (pri: 10) |
| SOA | 1 | ns1.schalk-it.de domain-support.schalk-a |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns4.schalk-it.de, ns3.schalk-it.de, ns2.schalk-it.de...)
Analysis
Hierarchy
mail.ctools.de and mailin.ctools.de are both subdomains of ctools.de.
IP Addresses
ctools.de resolves to one IP address: 194.97.156.130.
c-tools.de, dynamic-systems.com.cn, ct-tools.de and two other host names share IP numbers with ctools.de.
Name Servers
ctools.de is delegated to 4 name servers: ns1.schalk-it.de, ns2.schalk-it.de, ns3.schalk-it.de and ns4.schalk-it.de.
At least some of ctools.de's name servers are shared with other domains, for example lindenkeller-live.de, schmidt-zimmerei-holzbau.de, security-schalk.de and two more.
It is common for these name servers to be used in conjunction with the name servers ns6.checon.de, ns.checon.net and b.ns14.net.
Four hostnames, each resolving to a pair of IP addresses: ns1.schalk-it.de directs to 217.160.80.161 and 2001:8d8:fe:53:217:160:80:161; ns2.schalk-it.de directs to 217.160.81.161 and 2001:8d8:fe:53:217:160:81:161; ns3.schalk-it.de directs to 185.132.35.161 and 2607:f1c0:fe:53:185:132:35:161; ns4.schalk-it.de directs to 185.132.34.161 and 2607:f1c0:fe:53:185:132:34:161.
Mail Servers
Mail for ctools.de is handled by a single mail server, mail.ctools.de.
mail.ctools.de resolves to a single IP number: 194.97.156.150.