csus.de - dns.ninja
csus.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=1786648852 | ||||||
MX for
csus.de |
Subdomains
Same first word
Similar names
DNS History
11 records (8 active, 3 former)
●NSdns1.regsystem.net2015-08-23 → 2026-08-13 · 2 obs
● 2026-08-13 19:45:00
●NSdns2.regsystem.net2015-08-23 → 2026-08-13 · 2 obs
● 2026-08-13 19:45:00
●NSdns3.regsystem.net2026-03-24 → 2026-08-13 · 3 obs
● 2026-03-24 07:47:40
● 2026-08-13 19:45:00
●MXcsus.de2026-03-24 → 2026-08-13 · 3 obs
● 2026-03-24 07:47:40
● 2026-08-13 19:45:00
○MXh1611193.stratoserver.net2015-08-23 → 2017-08-27 · 4 obs
● 2017-08-27 06:31:20
○ 2017-09-20 12:26:54
○ 2026-08-13 19:45:00
●MXimap.csus.de2026-03-24 → 2026-08-13 · 3 obs
● 2026-03-24 07:47:40
● 2026-08-13 19:45:00
●MXmail.csus.de2015-08-23 → 2026-08-13 · 2 obs
● 2026-08-13 19:45:00
●MXsmtp.csus.de2026-03-24 → 2026-08-13 · 3 obs
● 2026-03-24 07:47:40
● 2026-08-13 19:45:00
○A109.237.138.492017-09-20 → 2017-09-20 · 4 obs
● 2017-09-20 12:26:54
○ 2026-03-24 07:47:40
○ 2026-08-13 19:45:00
○A85.214.41.652015-08-23 → 2017-08-27 · 4 obs
● 2017-08-27 06:31:20
○ 2017-09-20 12:26:54
○ 2026-08-13 19:45:00
●A87.106.129.1072026-03-24 → 2026-08-13 · 3 obs
● 2026-03-24 07:47:40
● 2026-08-13 19:45:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| csus.de | dns1.regsystem.net, dns2.regsystem.net, dns3.regsystem.net | - |
✅ Authoritative Response
Server:213.9.44.85
NS records: dns1.regsystem.net, dns2.regsystem.net, dns3.regsystem.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for csus.de (unsigned zone)
⏱️ Timing
Total: 1186ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 87.106.129.107 |
| NS | 3 | dns1.regsystem.net, dns2.regsystem.net... |
| MX | 4 | csus.de (pri: 10), mail.csus.de (pri: 20)... |
| TXT | 1 | v=spf1 a:csus.de ip4:87.106.129.107 incl |
| SOA | 1 | dns1.regsystem.net hostmaster.regsystem. |
Analysis
Hierarchy
The domain csus.de is a parent of www.csus.de, imap.csus.de, mail.csus.de and smtp.csus.de.
Mail Server Role
The MX record for csus.de points back to csus.de — it is its own mail server.
imap.csus.de, mail.csus.de and smtp.csus.de are often deployed as mail servers in conjunction with csus.de.
IP Addresses
csus.de directs to one IP number, which is 87.106.129.107.
Among the host names that share IP numbers with csus.de are marens-haarstudio.de, analytics.cs-us.com, mail.csus.de and two others.
Name Servers
csus.de is served by three name servers: dns1.regsystem.net, dns2.regsystem.net and dns3.regsystem.net.
At least some of csus.de's name servers are shared with other domains, for example rema-tec.net, spirit-vibrations.de, dbd-sz.de and two more.
Hosts pointing to four IP addresses:
dns3.regsystem.net directs to 213.9.14.107, 213.9.44.85, 2a02:4c00:0:8000::2 and 2a02:4c00:0:8000::5.
Hosts with two IP numbers each:
The A records for dns1.regsystem.net return 217.79.214.245 and 2a02:20a8:a000:4::2.
The A records for dns2.regsystem.net return 217.79.214.253 and 2a02:20a8:a000:4::53.
Mail Servers
csus.de is managed by four mail servers: csus.de, imap.csus.de, mail.csus.de and smtp.csus.de.
csus.de, imap.csus.de, mail.csus.de and smtp.csus.de all direct traffic to the IP address 87.106.129.107.
csus.de, imap.csus.de, mail.csus.de and smtp.csus.de each direct to 87.106.129.107.