system-duplex.com - robtex.com
system-duplex.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=1778647986 | ||||||
Subdomains
www.system-duplex.com |
Same first word
system-duplex.com |
DNS History
10 records (6 active, 4 former)
○MXmail.system-duplex.com2015-08-04 → 2017-06-06 · 4 obs
● 2017-06-06 21:53:18
○ 2026-03-12 13:49:20
○ 2026-05-13 05:01:56
○MXmx01.system-duplex.com2015-08-04 → 2017-06-06 · 4 obs
● 2017-06-06 21:53:18
○ 2026-03-12 13:49:20
○ 2026-05-13 05:01:56
●MXsystemduplex-com01e.mail.protection.outlook.com2026-03-12 → 2026-05-13 · 3 obs
● 2026-03-12 13:49:20
● 2026-05-13 05:01:56
●A178.20.102.302026-03-12 → 2026-05-13 · 3 obs
● 2026-03-12 13:49:20
● 2026-05-13 05:01:56
○A78.46.61.1002015-08-04 → 2015-12-01 · 4 obs
● 2015-12-01 22:38:50
○ 2016-01-19 00:08:10
○ 2026-05-13 05:01:56
○A85.13.147.292016-01-19 → 2017-06-06 · 5 obs
● 2016-01-19 00:08:10
● 2017-06-06 21:53:18
○ 2026-03-12 13:49:20
○ 2026-05-13 05:01:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net... | - |
| system-duplex.com | a.ns14.net, b.ns14.net, c.ns14.net, d.ns14.net | - |
✅ Authoritative Response
Server:185.132.34.160
NS records: a.ns14.net, b.ns14.net, c.ns14.net, d.ns14.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for system-duplex.com (unsigned zone)
⏱️ Timing
Total: 212ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 178.20.102.30 |
| NS | 4 | a.ns14.net, d.ns14.net... |
| MX | 1 | systemduplex-com01e.mail.protection.outl |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | a.ns14.net autodns-knaupp.bisping.de |
Analysis
Hierarchy
The parent of www.system-duplex.com is system-duplex.com.
IP Addresses
system-duplex.com points to IP number: 178.20.102.30.
Other host names such as bibabo.de, soundbook.de, rmdsign.kundencloudserver.de, partytram-leipzig.de and cura-koeln.de share IPs with system-duplex.com.
Name Servers
system-duplex.com is delegated to four name servers: a.ns14.net, b.ns14.net, c.ns14.net and d.ns14.net.
system-duplex.com at least partially shares name servers with other domains, for instance idealoapps.de, rundbecken.co.at, finaltv.com, hauck.gmbh and fensoft.de.
Host names with two IP numbers: a.ns14.net points to 2001:8d8:fe:53:217:160:80:160 and 217.160.80.160; b.ns14.net points to 2001:8d8:fe:53:217:160:81:160 and 217.160.81.160; c.ns14.net points to 2607:f1c0:fe:53:185:132:35:160 and 185.132.35.160; d.ns14.net points to 2607:f1c0:fe:53:185:132:34:160 and 185.132.34.160.
Mail Servers
system-duplex.com is handled by a single mail server, systemduplex-com01e.mail.protection.outlook.com.
Host name systemduplex-com01e.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::b, 2a01:111:f403:ca04::e, 2a01:111:f403:ca04::10, 2a01:111:f403:ca09::6, 52.101.68.3, 52.101.73.2, 52.101.73.11 and 52.101.73.153.