tbu-systems.de - robtex.com
tbu-systems.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.13.130.215🇩🇪 NMM-AS85.13.130.0/24 Neue Medien Muennich | ||||||
| PTR | dd23134.kasserver.com | ||||||
| NS | ns5.kasserver.com ⭐ | ||||||
| A | 85.13.128.3🇩🇪 NMM-AS85.13.128.0/24 Neue Medien Muennich | ||||||
| PTR | ns5.kasserver.com | ||||||
| NS | ns6.kasserver.com | ||||||
| A | 85.13.159.101🇩🇪 NMM-AS85.13.159.0/24 Neue Medien Muennich | ||||||
| PTR | ns6.kasserver.com | ||||||
| MX | w01891b5.kasserver.com ⭐ | ||||||
| A | 85.13.130.215🇩🇪 NMM-AS85.13.130.0/24 Neue Medien Muennich | ||||||
| PTR | dd23134.kasserver.com | ||||||
| TXT | v=spf1 a mx include:_spf.kasserver.com -all | ||||||
| SOA | ns5.kasserver.comhostmaster@kasserver.com serial=2602221058 | ||||||
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=1778291061 | ||||||
Subdomains
mail.tbu-systems.de |
Same first word
tbu-systems.de |
DNS History
9 records (4 active, 5 former)
○NSa.regfish-ns.net2015-05-11 → 2016-12-23 · 4 obs
● 2016-12-23 09:15:12
○ 2026-04-27 07:39:20
○ 2026-05-09 01:52:24
○NSb.regfish-ns.net2015-05-11 → 2016-12-23 · 4 obs
● 2016-12-23 09:15:12
○ 2026-04-27 07:39:20
○ 2026-05-09 01:52:24
○NSc.regfish-ns.net2015-05-11 → 2016-12-23 · 4 obs
● 2016-12-23 09:15:12
○ 2026-04-27 07:39:20
○ 2026-05-09 01:52:24
●NSns5.kasserver.com2026-04-27 → 2026-05-09 · 3 obs
● 2026-04-27 07:39:20
● 2026-05-09 01:52:24
●NSns6.kasserver.com2026-04-27 → 2026-05-09 · 3 obs
● 2026-04-27 07:39:20
● 2026-05-09 01:52:24
○MXmail.tbu-systems.de2015-05-11 → 2016-12-23 · 4 obs
● 2016-12-23 09:15:12
○ 2026-04-27 07:39:20
○ 2026-05-09 01:52:24
●MXw01891b5.kasserver.com2026-04-27 → 2026-05-09 · 3 obs
● 2026-04-27 07:39:20
● 2026-05-09 01:52:24
○A176.9.40.352015-05-11 → 2016-12-23 · 4 obs
● 2016-12-23 09:15:12
○ 2026-04-27 07:39:20
○ 2026-05-09 01:52:24
●A85.13.130.2152026-04-27 → 2026-05-09 · 3 obs
● 2026-04-27 07:39:20
● 2026-05-09 01:52:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, z.nic.de, a.nic.de | - |
| tbu-systems.de | ns5.kasserver.com, ns6.kasserver.com | - |
✅ Authoritative Response
Server:85.13.159.101
NS records: ns5.kasserver.com, ns6.kasserver.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tbu-systems.de (unsigned zone)
⏱️ Timing
Total: 547ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.13.130.215 |
| NS | 2 | ns6.kasserver.com, ns5.kasserver.com |
| MX | 1 | w01891b5.kasserver.com (pri: 10) |
| TXT | 1 | v=spf1 a mx include:_spf.kasserver.com - |
| SOA | 1 | ns5.kasserver.com hostmaster.kasserver.c |
Analysis
Hierarchy
tbu-systems.de is the parent of mail.tbu-systems.de.
IP Addresses
tbu-systems.de resolves to one IP number: 85.13.130.215.
other host names including w0187f91.kasserver.com, w01899a6.kasserver.com, w01d80b5.kasserver.com, w00c6052.kasserver.com and deutscher-pelzverband.de share IP numbers with tbu-systems.de.
Name Servers
tbu-systems.de is delegated to two name servers ns5.kasserver.com and ns6.kasserver.com.
tbu-systems.de shares the same name server setup as other domains, for instance kampusch.at, muellermugge.de, oem.de, be-a-voice.de and carrera4speed.de.
tbu-systems.de at least partially shares name servers with other domains, for instance pafelinsky.de, private-schulen.de, buddystar.de, mohr-roggenkamp.de and bierschenke.de.
these name servers are often used together with ns3.ai-dns.de, ns5.name-server-kas.de, a-dns-service.de and ns3.kas-dns-server.de.
Host names with one IP number:
ns5.kasserver.com points to 85.13.128.3
ns6.kasserver.com points to 85.13.159.101
Mail Servers
tbu-systems.de is handled by a single mail server, w01891b5.kasserver.com.
tbu-systems.de shares its mail server setup with other domains, including lubsgmbh.de and gemuese-eck.de.
w01891b5.kasserver.com resolves to IP 85.13.130.215.