code4u.de - dns.ninja
code4u.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.13.131.123🇩🇪 NMM-AS85.13.131.0/24 Neue Medien Muennich | ||||||
| PTR | dd6812.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 | w00ebc45.kasserver.com ⭐ | ||||||
| A | 85.13.131.123🇩🇪 NMM-AS85.13.131.0/24 Neue Medien Muennich | ||||||
| PTR | dd6812.kasserver.com | ||||||
| TXT | v=spf1 a mx include:spf.kasserver.com ~all | ||||||
| SOA | ns5.kasserver.comhostmaster@kasserver.com serial=2606010521 | ||||||
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=1785691068 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
●NSns5.kasserver.com2015-05-30 → 2026-08-02 · 2 obs
● 2026-08-02 17:54:52
●NSns6.kasserver.com2015-05-30 → 2026-08-02 · 2 obs
● 2026-08-02 17:54:52
○MXmail.code4u.de2015-05-30 → 2016-09-14 · 4 obs
● 2016-09-14 00:31:58
○ 2017-04-19 23:58:48
○ 2026-08-02 17:54:52
●MXw00ebc45.kasserver.com2017-04-19 → 2026-08-02 · 3 obs
● 2017-04-19 23:58:48
● 2026-08-02 17:54:52
●A85.13.131.1232026-03-31 → 2026-08-02 · 3 obs
● 2026-03-31 13:29:24
● 2026-08-02 17:54:52
○A85.13.133.582015-05-30 → 2017-04-19 · 4 obs
● 2017-04-19 23:58:48
○ 2026-03-31 13:29:24
○ 2026-08-02 17:54:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| code4u.de | ns5.kasserver.com, ns6.kasserver.com | - |
✅ Authoritative Response
Server:85.13.128.3
NS records: ns5.kasserver.com, ns6.kasserver.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for code4u.de (unsigned zone)
⏱️ Timing
Total: 2407ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.13.131.123 |
| NS | 2 | ns5.kasserver.com, ns6.kasserver.com |
| MX | 1 | w00ebc45.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
mail.code4u.de and webmail.code4u.de each fall under code4u.de as their parent domain.
IP Addresses
code4u.de resolves to just one IP address, 85.13.131.123.
Two other host names, along with mail.kirchenmusik-rheinland.de, sukow.de and webmail.code4u.de, also share IP numbers with code4u.de.
Name Servers
The NS records for code4u.de delegate to ns5.kasserver.com and ns6.kasserver.com.
code4u.de shares its NS records with other domains, for example siebengebirgslinie-bonn.de, druckerei-frey.de, awisdo.com and two others.
code4u.de shares at least some of its name servers with other domains, including lebenszentrum.de, ecmexperte.de, dooza.de and two others.
These name servers are frequently seen alongside 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 and ns6.kasserver.com each resolve to one IP number: ns5.kasserver.com points to 85.13.128.3 and ns6.kasserver.com points to 85.13.159.101.
Mail Servers
The sole mail server for code4u.de is w00ebc45.kasserver.com.
w00ebc45.kasserver.com resolves to 85.13.131.123 and no other IP number.