mathauser.de - dns.ninja
mathauser.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.13.138.73🇩🇪 NMM-AS85.13.138.0/24 Neue Medien Muennich | ||||||
| PTR | dd17608.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 | w01c2ab1.kasserver.com ⭐ | ||||||
| A | 85.13.138.73🇩🇪 NMM-AS85.13.138.0/24 Neue Medien Muennich | ||||||
| PTR | dd17608.kasserver.com | ||||||
| TXT | v=spf1 a mx include:spf.kasserver.com ~all | ||||||
| SOA | ns5.kasserver.comhostmaster@kasserver.com serial=2607170012 | ||||||
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=1785988688 | ||||||
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
○NSdocks03.rzone.de2015-07-12 → 2017-06-13 · 4 obs
● 2017-06-13 12:03:10
○ 2026-03-19 12:22:20
○ 2026-08-06 04:15:38
●NSns5.kasserver.com2026-03-19 → 2026-08-06 · 3 obs
● 2026-03-19 12:22:20
● 2026-08-06 04:15:38
●NSns6.kasserver.com2026-03-19 → 2026-08-06 · 3 obs
● 2026-03-19 12:22:20
● 2026-08-06 04:15:38
○NSshades12.rzone.de2015-07-12 → 2017-06-13 · 4 obs
● 2017-06-13 12:03:10
○ 2026-03-19 12:22:20
○ 2026-08-06 04:15:38
○MXsmtp.rzone.de2015-07-12 → 2017-06-13 · 4 obs
● 2017-06-13 12:03:10
○ 2026-03-19 12:22:20
○ 2026-08-06 04:15:38
●MXw01c2ab1.kasserver.com2026-03-19 → 2026-08-06 · 3 obs
● 2026-03-19 12:22:20
● 2026-08-06 04:15:38
○A2a01:238:20a:202:1157::2015-07-12 → 2017-06-13 · 4 obs
● 2017-06-13 12:03:10
○ 2026-03-19 12:22:20
○ 2026-08-06 04:15:38
○A81.169.145.1572015-07-12 → 2017-06-13 · 4 obs
● 2017-06-13 12:03:10
○ 2026-03-19 12:22:20
○ 2026-08-06 04:15:38
●A85.13.138.732026-03-19 → 2026-08-06 · 3 obs
● 2026-03-19 12:22:20
● 2026-08-06 04:15:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| mathauser.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 mathauser.de (unsigned zone)
⏱️ Timing
Total: 864ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.13.138.73 |
| NS | 2 | ns6.kasserver.com, ns5.kasserver.com |
| MX | 1 | w01c2ab1.kasserver.com (pri: 10) |
| TXT | 1 | v=spf1 a mx include:spf.kasserver.com ~a |
| SOA | 1 | ns5.kasserver.com hostmaster.kasserver.c |
Analysis
IP Addresses
mathauser.de points to a single IP number: 85.13.138.73.
Additional host names — 3mxl.de, www.pclb.de, gravidi.de and two others — share IP numbers with mathauser.de.
Name Servers
mathauser.de has two authoritative name servers — ns5.kasserver.com and ns6.kasserver.com.
mathauser.de shares its name server setup with other domains, including kecx.com, bookmarks2go.de, academixer.com and two others.
There is at least partial name server overlap between mathauser.de and other domains — 2f4.de, bozart.de, apertoshop.de and two more among them.
These name servers tend to appear in combination 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 → 85.13.128.3 and ns6.kasserver.com → 85.13.159.101: one IP number per host name.
Mail Servers
mathauser.de has one mail server: w01c2ab1.kasserver.com.
The mail server setup of mathauser.de matches that of krismade.net, krismade.de, krismade.com and mathauser.net, among other domains.
w01c2ab1.kasserver.com points to one IP number — 85.13.138.73.