bysystem.net - robtex.com
bysystem.net
| 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 | ||||||
| NS | ns3.knipp.de | ||||||
| A | 2a01:5b0:31::3🇩🇪 KNIPP-AS2a01:5b0::/32 DE-KNIPP | ||||||
| PTR | ns3.knipp.de | ||||||
| A | 195.253.113.3🇩🇪 KNIPP-AS195.253.64.0/18 | ||||||
| PTR | ns3.knipp.de | ||||||
| MX | barracuda.iacd.net ⭐ | ||||||
| A | 217.113.41.30🇩🇪 ASN-IACD217.113.32.0/20 Internet Access Center Duesseldorf | ||||||
| PTR | barracuda.iacd.net | ||||||
| SOA | ns.iacd.nethostmaster@iacd.net 2021-10-22 #1 | ||||||
net
| 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=1777118097 | ||||||
Same first word
bysystem.net |
DNS History
8 records (5 active, 3 former)
●MXbarracuda.iacd.net2026-03-17 → 2026-04-25 · 3 obs
● 2026-03-17 18:11:10
● 2026-04-25 12:01:22
○MXmx01.iacd.net2015-06-16 → 2017-04-08 · 5 obs
● 2015-06-16 14:39:14
● 2017-04-08 15:49:48
○ 2026-03-17 18:11:10
○ 2026-04-25 12:01:22
○MXmxin01.iacd.net2007-10-11 → 2007-10-11 · 3 obs
○ 2015-06-16 14:39:14
○ 2026-04-25 12:01:22
●A217.113.39.212015-06-16 → 2026-04-25 · 3 obs
● 2015-06-16 14:39:14
● 2026-04-25 12:01:22
○A217.113.41.12007-10-11 → 2007-10-11 · 3 obs
○ 2015-06-16 14:39:14
○ 2026-04-25 12:01:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| bysystem.net | ns3.knipp.de, ns.iacd.net, ns2.iacd.net | 2 records |
✅ Authoritative Response
Server:217.113.46.200
NS records: ns3.knipp.de, ns.iacd.net, ns2.iacd.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bysystem.net (unsigned zone)
⏱️ Timing
Total: 715ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.113.39.21 |
| NS | 3 | ns2.iacd.net, ns.iacd.net... |
| MX | 1 | barracuda.iacd.net (pri: 10) |
| SOA | 1 | ns.iacd.net hostmaster.iacd.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.iacd.net, ns2.iacd.net)
Analysis
IP Addresses
bysystem.net resolves to one IP number: 217.113.39.21.
Name Servers
bysystem.net is delegated to three name servers: ns3.knipp.de, ns2.iacd.net and ns.iacd.net.
bysystem.net at least partially shares name servers with other domains, including sensorik.net, eroman.com, kyocera-toner.com, dohnau.eu and fenthum.com.
these name servers are commonly used alongside the name servers ns2.knipp.de, ns17.knipp.net, ns5.iacd.de, ns3.dlr.de and ns4.dlr.de.
Host names with two IP numbers:
ns3.knipp.de points to: 2a01:5b0:31::3 and 195.253.113.3.
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
A single mail server handles bysystem.net, barracuda.iacd.net.
bysystem.net shares the same mail server setup as other domains, for instance fliesenfischer.de, deutsches-ausschreibungsblatt.de, puppentheater.de, esser-systems.com and sinus-leistungselektronik.de.
bysystem.net shares some mail servers with other domains, at least in part, for example tenckhoff-kg.de.
Host name barracuda.iacd.net resolves to a single IP: 217.113.41.30.