bysystem.de - robtex.com
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=1777122707 | ||||||
Same first word
DNS History
4 records (4 active, 0 former)
●A217.113.39.212015-07-02 → 2026-04-25 · 2 obs
● 2026-04-25 13:37:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.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: 974ms | 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
IP Addresses
bysystem.de resolves to one IP number: 217.113.39.21.
Other host names, for instance bysystem.net, share IP numbers with bysystem.de.
Name Servers
bysystem.de is delegated to two name servers ns2.iacd.net and ns.iacd.net.
bysystem.de shares the same name server setup as other domains, for instance wirtschaftsportal.de, ecosys-service.de, belfor.at, darmcentrum-duesseldorf.de and communication-performance.de.
bysystem.de at least partially shares name servers with other domains, for instance 35.113.217.in-addr.arpa, iacd.net, horstmanngmbh.com, huaweidialog.com and stemcor.info.
These name servers are commonly used alongside ns3.knipp.de and ns5.iacd.de.
Host names with one IP number:
ns2.iacd.net points to 217.113.46.200
ns.iacd.net points to 217.113.33.130
Mail Servers
bysystem.de is handled by a single mail server, mx01.iacd.net.
bysystem.de shares the same mail server setup as other domains, for instance deutsches-ausschreibungsblatt.info, die-beamtenversorgung.de, iacd-dsl.de, resolux.eu and kyocera.blog.
bysystem.de shares mail servers with other domains to some extent, for instance ackermann.de.
mx01.iacd.net resolves to IP 217.113.33.1.