mathussek.de - dns.ninja
mathussek.de
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=1780536646 | ||||||
Same first word
mathussek.de |
DNS History
7 records (5 active, 2 former)
●NSns3.kasserver.com2015-05-18 → 2026-06-04 · 2 obs
● 2026-06-04 01:46:14
●NSns4.kasserver.com2015-05-18 → 2026-06-04 · 2 obs
● 2026-06-04 01:46:14
○MXmail.mathussek.de2015-05-18 → 2015-10-18 · 4 obs
● 2015-10-18 03:31:24
○ 2016-02-28 02:13:28
○ 2026-06-04 01:46:14
●MXmathussek-de.mail.protection.outlook.com2026-02-20 → 2026-06-04 · 3 obs
● 2026-02-20 15:37:26
● 2026-06-04 01:46:14
●MXmxpool.hostedoffice.ag2016-02-28 → 2026-06-04 · 3 obs
● 2016-02-28 02:13:28
● 2026-06-04 01:46:14
○A85.13.130.2362015-05-18 → 2020-01-08 · 4 obs
● 2020-01-08 00:41:26
○ 2026-02-20 15:37:26
○ 2026-06-04 01:46:14
●A85.13.143.622026-02-20 → 2026-06-04 · 3 obs
● 2026-02-20 15:37:26
● 2026-06-04 01:46:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, a.nic.de, z.nic.de | - |
| mathussek.de | ns3.kasserver.com, ns4.kasserver.com | - |
✅ Authoritative Response
Server:85.13.140.2
NS records: ns3.kasserver.com, ns4.kasserver.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathussek.de (unsigned zone)
⏱️ Timing
Total: 971ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.13.143.62 |
| NS | 2 | ns4.kasserver.com, ns3.kasserver.com |
| MX | 2 | mathussek-de.mail.protection.outlook.com, mxpool.hostedoffice.ag (pri: 10) |
| TXT | 1 | v=spf1 include:hostedoffice.ag ?all MS=m |
| SOA | 1 | ns3.kasserver.com hostmaster.kasserver.c |
Analysis
IP Addresses
mathussek.de resolves to one IP address: 85.13.143.62.
grabsteine-stade.de, wander-hoerbuch.de, mx.serv-it.net and two other host names share IP numbers with mathussek.de.
Name Servers
mathussek.de is served by two delegated name servers, ns3.kasserver.com and ns4.kasserver.com.
mathussek.de uses the same name servers as several other domains — among them kiarie.de, digital-support.de, finkeldei-online.de and two more.
The DNS delegation for mathussek.de at least partly coincides with that of other domains, langenbruck.info being one example.
ns3.kasserver.com → 85.13.128.2 and ns4.kasserver.com → 85.13.140.2: one IP number per host name.
Mail Servers
Mail for mathussek.de is handled by two mail servers — mxpool.hostedoffice.ag and mathussek-de.mail.protection.outlook.com.
mathussek.de has at least partial mail server overlap with other domains such as cabinet-hannover.de, ir-tours.com, trendsontop.de and two more.
Hostnames that resolve to 6 IP addresses:
mathussek-de.mail.protection.outlook.com maps to six IP addresses: 52.101.168.0, 52.101.170.1, 52.101.170.2 and three others.
Host names with one IP number:
mxpool.hostedoffice.ag points to the IP address 81.20.94.244.