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=1776196861 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSa-dns-service.de2026-02-26 → 2026-04-14 · 2 obs
● 2026-04-14 20:05:56
●NSns3.kas-dns-server.de2026-02-26 → 2026-04-14 · 2 obs
● 2026-04-14 20:05:56
●NSns5.kasserver.com2026-02-26 → 2026-04-14 · 2 obs
● 2026-04-14 20:05:56
●NSns6.kasserver.com2026-02-26 → 2026-04-14 · 2 obs
● 2026-04-14 20:05:56
●MXw01aee98.kasserver.com2026-02-26 → 2026-04-14 · 2 obs
● 2026-04-14 20:05:56
●A85.13.135.2052026-02-26 → 2026-04-14 · 2 obs
● 2026-04-14 20:05:56
🔍 DNS Trace
Analysis
IP Addresses
4door.de resolves to a single IP address: 85.13.135.205.
Other host names including mail.ugowsky.de, mail.sebastianugowski.com, w00eb255.kasserver.com, kn-facility-management.de and mail.tafelsalz.info share IP numbers with 4door.de.
Name Servers
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, including konkret-bewerben.com, behlendorf.de, hs-architects.com, 12-bunnies.de and forvina.net.
These name servers are commonly used with ns3.ai-dns.de and ns5.name-server-kas.de.
Hostnames with a single IP:
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
Mail Servers
4door.de is handled by a single mail server, w01aee98.kasserver.com.
4door.de uses the same mail server setup as other domains, such as padertor.de.
w01aee98.kasserver.com points to a single IP: 85.13.135.205.