kos.de - dns.ninja
kos.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.13.147.222🇩🇪 NMM-AS85.13.147.0/24 Neue Medien Muennich | ||||||
| PTR | dd29608.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 | w006e977.kasserver.com ⭐ | ||||||
| A | 85.13.147.222🇩🇪 NMM-AS85.13.147.0/24 Neue Medien Muennich | ||||||
| PTR | dd29608.kasserver.com | ||||||
| TXT | v=spf1 a mx include:spf.kasserver.com ~all | ||||||
| SOA | ns5.kasserver.comhostmaster@kasserver.com serial=2602261220 | ||||||
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=1785692174 | ||||||
Subdomains
mail.kos.de |
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●NSns5.kasserver.com2015-07-26 → 2026-08-02 · 2 obs
● 2026-08-02 17:52:54
●NSns6.kasserver.com2015-07-26 → 2026-08-02 · 2 obs
● 2026-08-02 17:52:54
○MXmail.kos.de2015-07-26 → 2016-11-21 · 4 obs
● 2016-11-21 00:47:12
○ 2016-12-24 01:41:34
○ 2026-08-02 17:52:54
●MXw006e977.kasserver.com2016-12-24 → 2026-08-02 · 3 obs
● 2016-12-24 01:41:34
● 2026-08-02 17:52:54
●A85.13.147.2222015-07-26 → 2026-08-02 · 2 obs
● 2026-08-02 17:52:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| kos.de | ns5.kasserver.com, ns6.kasserver.com | - |
✅ Authoritative Response
Server:85.13.159.101
NS records: ns5.kasserver.com, ns6.kasserver.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at de: Error: DNS query timeout: 194.0.0.53 for DNSKEY de
⏱️ Timing
Total: 3655ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.13.147.222 |
| NS | 2 | ns5.kasserver.com, ns6.kasserver.com |
| MX | 1 | w006e977.kasserver.com (pri: 10) |
| TXT | 1 | v=spf1 a mx include:spf.kasserver.com ~a |
| SOA | 1 | ns5.kasserver.com hostmaster.kasserver.c |
Analysis
Hierarchy
kos.de serves as the parent of mail.kos.de.
IP Addresses
kos.de directs to one IP number, which is 85.13.147.222.
Among the host names that share IP numbers with kos.de are gs-birth.de, forum.kick-dieburg.de, www.freuer.de and two others.
Name Servers
DNS delegation for kos.de points to two name servers: ns5.kasserver.com and ns6.kasserver.com.
kos.de has the same name server delegation as a number of other domains, such as gehle.org, bredius.de, sudheimer-photography.com and two more.
kos.de has at least partial name server overlap with other domains, such as solideogloria.de, udo-hemmann.de, eifelzelte.de and two others.
It is common to find these name servers paired with the name servers a-dns-service.de, ns3.kas-dns-server.de, ns3.ai-dns.de and ns5.name-server-kas.de.
ns5.kasserver.com directs to 85.13.128.3 and ns6.kasserver.com directs to 85.13.159.101; each host name points to exactly one IP number.
Mail Servers
kos.de routes its mail through a single mail server, w006e977.kasserver.com.
kos.de and domains like miss-marple.de share an identical mail server configuration.
w006e977.kasserver.com has exactly one IP number: 85.13.147.222.