4door.de - robtex.com
4door.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.13.135.205🇩🇪 NMM-AS85.13.135.0/24 Neue Medien Muennich | ||||||
| PTR | dd51912.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 | a-dns-service.de | ||||||
| A | 135.181.2.96🇫🇮 Hetzner135.181.0.0/16 HETZNER-DC | ||||||
| PTR | a-dns-service.de | ||||||
| NS | ns3.kas-dns-server.de | ||||||
| A | 85.13.179.179🇩🇪 NMM-AS85.13.179.0/24 Neue Medien Muennich | ||||||
| PTR | 85-13-179-179-static.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 | w01aee98.kasserver.com ⭐ | ||||||
| A | 85.13.135.205🇩🇪 NMM-AS85.13.135.0/24 Neue Medien Muennich | ||||||
| PTR | dd51912.kasserver.com | ||||||
| TXT | v=spf1 a mx include:spf.kasserver.com ~all | ||||||
| TXT | google-site-verification=4aE8qh_-MpbFPxBpVWw1PapHnIxFytYnNLOxYm--fa0 | ||||||
| SOA | ns5.kasserver.comhostmaster@kasserver.com serial=2601201012 | ||||||
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=1771291602 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSa-dns-service.de2026-02-26 → 2026-02-27 · 2 obs
● 2026-02-27 05:03:48
●NSns3.kas-dns-server.de2026-02-26 → 2026-02-27 · 2 obs
● 2026-02-27 05:03:48
●NSns5.kasserver.com2026-02-26 → 2026-02-27 · 2 obs
● 2026-02-27 05:03:48
●NSns6.kasserver.com2026-02-26 → 2026-02-27 · 2 obs
● 2026-02-27 05:03:48
●MXw01aee98.kasserver.com2026-02-26 → 2026-02-27 · 2 obs
● 2026-02-27 05:03:48
●A85.13.135.2052026-02-26 → 2026-02-27 · 2 obs
● 2026-02-27 05:03:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| 4door.de | ns6.kasserver.com, a-dns-service.de, ns3.kas-dns-server.de, ns5.kasserver.com | - |
✅ Authoritative Response
Server: 85.13.128.3
NS records: ns6.kasserver.com, a-dns-service.de, ns3.kas-dns-server.de, ns5.kasserver.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4door.de (unsigned zone)
⏱️ Timing
Total: 1036ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.13.135.205 |
| NS | 4 | ns5.kasserver.com, a-dns-service.de... |
| MX | 1 | w01aee98.kasserver.com (pri: 10) |
| TXT | 2 | v=spf1 a mx include:spf.kasserver.com ~a, google-site-verification=4aE8qh_-MpbFPxB |
| SOA | 1 | ns5.kasserver.com hostmaster.kasserver.c |
AI analysis
4door.de points to a single IP number: 85.13.135.205.
other host names for instance mail.ugowsky.de, mail.sebastianugowski.com, w00eb255.kasserver.com, kn-facility-management.de and mail.tafelsalz.info share IP numbers with 4door.de.
4door.de is delegated to four name servers: a-dns-service.de, ns5.kasserver.com, ns6.kasserver.com and ns3.kas-dns-server.de.
4door.de at least partially shares name servers with other domains, for instance konkret-bewerben.com, behlendorf.de, hs-architects.com, 12-bunnies.de and forvina.net.
These name servers are often used with ns3.ai-dns.de and ns5.name-server-kas.de.
Host names with one IP number:
a-dns-service.de points to 135.181.2.96
ns5.kasserver.com points to 85.13.128.3
ns6.kasserver.com points to 85.13.159.101
ns3.kas-dns-server.de points to 85.13.179.179
4door.de is handled by a single mail server, w01aee98.kasserver.com.
4door.de shares the same mail server setup as other domains, for example padertor.de.
Host name w01aee98.kasserver.com points to IP address 85.13.135.205.