bysystem.de - dns.ninja
bysystem.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.113.39.21🇩🇪 ASN-IACD217.113.32.0/20 Internet Access Center Duesseldorf | ||||||
| PTR | www.bysystem.de | ||||||
| NS | ns2.iacd.net ⭐ | ||||||
| A | 217.113.46.200🇩🇪 ASN-IACD217.113.32.0/20 Internet Access Center Duesseldorf | ||||||
| PTR | ns2.iacd.net | ||||||
| NS | ns.iacd.net | ||||||
| A | 217.113.33.130🇩🇪 ASN-IACD217.113.32.0/20 Internet Access Center Duesseldorf | ||||||
| PTR | ns.iacd.net | ||||||
| MX | mx01.iacd.net ⭐ | ||||||
| A | 217.113.33.1🇩🇪 ASN-IACD217.113.32.0/20 Internet Access Center Duesseldorf | ||||||
| PTR | mx01.iacd.net | ||||||
| SOA | ns.iacd.nethostmaster@iacd.net 2014-01-23 #1 | ||||||
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=1780886844 | ||||||
Subdomains
www.bysystem.de |
Same first word
DNS History
4 records (4 active, 0 former)
●A217.113.39.212015-07-02 → 2026-06-08 · 2 obs
● 2026-06-08 03:03:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, a.nic.de, z.nic.de | - |
| bysystem.de | ns.iacd.net, ns2.iacd.net | - |
✅ Authoritative Response
Server:217.113.33.130
NS records: ns.iacd.net, ns2.iacd.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bysystem.de (unsigned zone)
⏱️ Timing
Total: 911ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.113.39.21 |
| NS | 2 | ns.iacd.net, ns2.iacd.net |
| MX | 1 | mx01.iacd.net (pri: 10) |
| SOA | 1 | ns.iacd.net hostmaster.iacd.net |
Analysis
Hierarchy
bysystem.de is a parent domain of www.bysystem.de.
IP Addresses
bysystem.de has exactly one IP address — 217.113.39.21.
Host names such as www.bysystem.de and bysystem.net share IP numbers with bysystem.de.
Name Servers
Two name servers handle the delegation for bysystem.de: ns2.iacd.net and ns.iacd.net.
The name server configuration of bysystem.de is shared with other domains, for instance wirtschaftsportal.de, ecosys-service.de, belfor.at and two others.
bysystem.de shares at least some of its name servers with other domains, including 35.113.217.in-addr.arpa, iacd.net, horstmanngmbh.com and two others.
These name servers are frequently paired with the name servers ns3.knipp.de and ns5.iacd.de.
ns2.iacd.net and ns.iacd.net each resolve to one IP number: ns2.iacd.net points to 217.113.46.200 and ns.iacd.net points to 217.113.33.130.
Mail Servers
bysystem.de uses one mail server — mx01.iacd.net.
The mail server setup of bysystem.de matches that of other domains such as deutsches-ausschreibungsblatt.info, die-beamtenversorgung.de, iacd-dsl.de and two others.
bysystem.de shares at least some of its mail servers with other domains, such as ackermann.de.
mx01.iacd.net carries a single IP number, which is 217.113.33.1.