cs-us.com - dns.ninja
cs-us.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=1786659219 | ||||||
MX for
cs-us.com |
Subdomains
smtp.cs-us.com |
imap.cs-us.com |
mail.cs-us.com |
analytics.cs-us.com |
Same first word
Similar names
DNS History
9 records (8 active, 1 former)
●NSdns1.regsystem.net2015-08-19 → 2026-08-13 · 3 obs
● 2015-08-19 20:24:18
● 2026-08-13 22:28:38
●NSdns2.regsystem.net2015-08-19 → 2026-08-13 · 3 obs
● 2015-08-19 20:24:18
● 2026-08-13 22:28:38
●NSdns3.regsystem.net2026-02-20 → 2026-08-13 · 3 obs
● 2026-02-20 20:03:30
● 2026-08-13 22:28:38
●MXcs-us.com2026-02-20 → 2026-08-13 · 3 obs
● 2026-02-20 20:03:30
● 2026-08-13 22:28:38
●MXimap.cs-us.com2026-02-20 → 2026-08-13 · 3 obs
● 2026-02-20 20:03:30
● 2026-08-13 22:28:38
●MXmail.cs-us.com2015-08-19 → 2026-08-13 · 3 obs
● 2015-08-19 20:24:18
● 2026-08-13 22:28:38
●MXsmtp.cs-us.com2026-02-20 → 2026-08-13 · 3 obs
● 2026-02-20 20:03:30
● 2026-08-13 22:28:38
○A81.169.141.22015-08-19 → 2016-12-24 · 5 obs
● 2015-08-19 20:24:18
● 2016-12-24 18:10:20
○ 2026-02-20 20:03:30
○ 2026-08-13 22:28:38
●A87.106.129.1072026-02-20 → 2026-08-13 · 3 obs
● 2026-02-20 20:03:30
● 2026-08-13 22:28:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net, e.gtld-servers.net... | - |
| cs-us.com | dns1.regsystem.net, dns2.regsystem.net | - |
✅ Authoritative Response
Server:217.79.214.253
NS records: dns1.regsystem.net, dns2.regsystem.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cs-us.com (unsigned zone)
⏱️ Timing
Total: 512ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 87.106.129.107 |
| NS | 3 | dns3.regsystem.net, dns2.regsystem.net... |
| MX | 4 | mail.cs-us.com (pri: 20), cs-us.com (pri: 30)... |
| TXT | 1 | v=spf1 a:cs-us.com ip4:87.106.129.107 in |
| SOA | 1 | dns1.regsystem.net hostmaster.regsystem. |
Analysis
Hierarchy
smtp.cs-us.com, imap.cs-us.com, mail.cs-us.com and analytics.cs-us.com each fall under the parent domain cs-us.com.
Mail Server Role
The MX record for cs-us.com points back to cs-us.com — it is its own mail server.
The mail servers imap.cs-us.com, mail.cs-us.com and smtp.cs-us.com are commonly grouped with cs-us.com.
IP Addresses
cs-us.com directs to one IP number, which is 87.106.129.107.
Among the host names that share IP numbers with cs-us.com are mail.kostenloses-im-netz.de, imap.csus.de, mail.webdesign-strausberg.de and two others.
Name Servers
cs-us.com has three name servers — dns1.regsystem.net, dns2.regsystem.net and dns3.regsystem.net.
cs-us.com partially shares its NS delegation with several other domains, including lms-coburg.com, ziegeler-solar.de, novtsrv.de and two others.
Hosts pointing to four IP addresses:
dns3.regsystem.net maps to the following IP addresses: 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:
dns1.regsystem.net resolves to 217.79.214.245 and 2a02:20a8:a000:4::2.
dns2.regsystem.net resolves to 217.79.214.253 and 2a02:20a8:a000:4::53.
Mail Servers
cs-us.com is managed by four mail servers: cs-us.com, imap.cs-us.com, mail.cs-us.com and smtp.cs-us.com.
Each of cs-us.com, imap.cs-us.com, mail.cs-us.com and smtp.cs-us.com points to one IP address — 87.106.129.107.
cs-us.com, imap.cs-us.com, mail.cs-us.com and smtp.cs-us.com each direct to 87.106.129.107.