mathauser.net - dns.ninja
mathauser.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.13.138.73🇩🇪 NMM-AS85.13.138.0/24 Neue Medien Muennich | ||||||
| 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 | ||||||
| TXT | v=spf1 a mx include:spf.kasserver.com ~all | ||||||
| SOA | ns5.kasserver.comhostmaster@kasserver.com serial=2607170154 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785957929 | ||||||
Subdomains
mail.mathauser.net |
Same first word
Similar names
DNS History
14 records (4 active, 10 former)
○NSdocks13.rzone.de2015-07-22 → 2016-10-21 · 4 obs
● 2016-10-21 23:18:58
○ 2019-01-20 13:18:18
○ 2026-08-05 19:51:26
○NSns1.madmindworx.de2019-01-20 → 2019-01-20 · 4 obs
● 2019-01-20 13:18:18
○ 2026-03-19 12:22:20
○ 2026-08-05 19:51:26
○NSns2.madmindworx.de2019-01-20 → 2019-01-20 · 4 obs
● 2019-01-20 13:18:18
○ 2026-03-19 12:22:20
○ 2026-08-05 19:51:26
○NSns3.madmindworx.de2019-01-20 → 2019-01-20 · 4 obs
● 2019-01-20 13:18:18
○ 2026-03-19 12:22:20
○ 2026-08-05 19:51:26
●NSns5.kasserver.com2026-03-19 → 2026-08-05 · 3 obs
● 2026-03-19 12:22:20
● 2026-08-05 19:51:26
●NSns6.kasserver.com2026-03-19 → 2026-08-05 · 3 obs
● 2026-03-19 12:22:20
● 2026-08-05 19:51:26
○NSshades05.rzone.de2015-07-22 → 2016-10-21 · 4 obs
● 2016-10-21 23:18:58
○ 2019-01-20 13:18:18
○ 2026-08-05 19:51:26
○MXmail.mathauser.net2019-01-20 → 2019-01-20 · 4 obs
● 2019-01-20 13:18:18
○ 2026-03-19 12:22:20
○ 2026-08-05 19:51:26
○MXsmtp.rzone.de2015-07-22 → 2016-10-21 · 4 obs
● 2016-10-21 23:18:58
○ 2019-01-20 13:18:18
○ 2026-08-05 19:51:26
●MXw01c2ab1.kasserver.com2026-03-19 → 2026-08-05 · 3 obs
● 2026-03-19 12:22:20
● 2026-08-05 19:51:26
○A164.132.182.2152019-01-20 → 2019-01-20 · 4 obs
● 2019-01-20 13:18:18
○ 2026-03-19 12:22:20
○ 2026-08-05 19:51:26
○A2a01:238:20a:202:1086::2015-07-22 → 2016-10-21 · 4 obs
● 2016-10-21 23:18:58
○ 2019-01-20 13:18:18
○ 2026-08-05 19:51:26
○A81.169.145.862015-07-22 → 2016-10-21 · 4 obs
● 2016-10-21 23:18:58
○ 2019-01-20 13:18:18
○ 2026-08-05 19:51:26
●A85.13.138.732026-03-19 → 2026-08-05 · 3 obs
● 2026-03-19 12:22:20
● 2026-08-05 19:51:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| mathauser.net | 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 mathauser.net (unsigned zone)
⏱️ Timing
Total: 665ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.13.138.73 |
| NS | 2 | ns5.kasserver.com, ns6.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
Hierarchy
The domain mail.mathauser.net falls under the parent mathauser.net.
IP Addresses
mathauser.net directs to one IP number, which is 85.13.138.73.
Among the host names that share IP numbers with mathauser.net are w01c324c.kasserver.com, biwak-akademie.de, andreas-heinz.net and two others.
Name Servers
mathauser.net uses two name servers for its delegation: ns5.kasserver.com and ns6.kasserver.com.
mathauser.net has the same name server delegation as a number of other domains, such as zgolf.de, xn--rd-online-q9a.de, helft-euch.de and two more.
At least some of mathauser.net's name servers are shared with other domains, for example m-s-projekt.de, rdm-oberhausen.de, bahnhofshotel-haldensleben.de and two more.
These name servers are often deployed together with the name servers ns3.ai-dns.de, ns5.name-server-kas.de, a-dns-service.de and ns3.kas-dns-server.de.
Each of ns5.kasserver.com and ns6.kasserver.com has one IP address: ns5.kasserver.com uses 85.13.128.3 and ns6.kasserver.com uses 85.13.159.101.
Mail Servers
mathauser.net routes its mail through a single mail server, w01c2ab1.kasserver.com.
mathauser.net has mail servers in common with krismade.com, mathauser.de, krismade.net and krismade.de, among others.
w01c2ab1.kasserver.com directs to just one IP number, 85.13.138.73.