clarson.de - dns.ninja
clarson.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 80.148.52.75🇩🇪 DTAG80.144.0.0/13 Deutsche Telekom AG, Internet service provider | ||||||
| PTR | titan.i-st.net | ||||||
| NS | ns2.i-st.net ⭐ | ||||||
| A | 80.148.52.66🇩🇪 DTAG80.144.0.0/13 Deutsche Telekom AG, Internet service provider | ||||||
| PTR | ns2.i-st.net | ||||||
| NS | ns.i-st.net | ||||||
| A | 80.148.51.2🇩🇪 DTAG80.144.0.0/13 Deutsche Telekom AG, Internet service provider | ||||||
| PTR | ns.i-st.net | ||||||
| MX | mx01.hornetsecurity.com ⭐ | ||||||
| A | 94.100.132.8🇩🇪 MK-NETZDIENSTE-AS94.100.132.0/23 ANTISPAMEUROPE-NET via AS25394 | ||||||
| PTR | mx01.hornetsecurity.com | ||||||
| MX | mx02.hornetsecurity.com(20) | ||||||
| A | 94.100.136.8🇩🇪 SSERV-AS94.100.136.0/23 ANTISPAMEUROPE via as24679.net | ||||||
| PTR | mx02.hornetsecurity.com | ||||||
| MX | mx03.hornetsecurity.com(30) | ||||||
| A | 94.100.134.8🇩🇪 NCORE-AS94.100.134.0/24 antispameurope GmbH via as12676 | ||||||
| PTR | mx03.hornetsecurity.com | ||||||
| MX | mx04.hornetsecurity.com(40) | ||||||
| A | 94.100.136.7🇩🇪 SSERV-AS94.100.136.0/23 ANTISPAMEUROPE via as24679.net | ||||||
| PTR | mx04.hornetsecurity.com | ||||||
| TXT | MS=ms74664815 | ||||||
| TXT | v=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com -all | ||||||
| SOA | ns.i-st.netclarson@clarson.de serial=1656489193 | ||||||
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=1784959939 | ||||||
Subdomains
mail.clarson.de |
Same first word
Similar names
DNS History
8 records (7 active, 1 former)
○MXclarson-de.mail.protection.outlook.com2015-09-02 → 2017-07-23 · 4 obs
● 2017-07-23 17:37:16
○ 2026-03-27 21:45:40
○ 2026-07-25 06:22:24
●MXmx01.hornetsecurity.com2026-03-27 → 2026-07-25 · 5 obs
● 2026-03-27 21:45:40
○ 2026-06-28 13:17:10
● 2026-07-09 03:25:26
● 2026-07-25 06:22:24
●MXmx02.hornetsecurity.com2026-03-27 → 2026-07-25 · 5 obs
● 2026-03-27 21:45:40
○ 2026-06-28 13:17:10
● 2026-07-09 03:25:26
● 2026-07-25 06:22:24
●MXmx03.hornetsecurity.com2026-03-27 → 2026-07-25 · 5 obs
● 2026-03-27 21:45:40
○ 2026-06-28 13:17:10
● 2026-07-09 03:25:26
● 2026-07-25 06:22:24
●MXmx04.hornetsecurity.com2026-03-27 → 2026-07-25 · 5 obs
● 2026-03-27 21:45:40
○ 2026-06-28 13:17:10
● 2026-07-09 03:25:26
● 2026-07-25 06:22:24
●A80.148.52.752015-09-02 → 2026-07-25 · 5 obs
● 2017-07-23 17:37:16
○ 2026-06-28 13:17:10
● 2026-07-09 03:25:26
● 2026-07-25 06:22:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| clarson.de | ns2.i-st.net, ns.i-st.net | - |
✅ Authoritative Response
Server:80.148.52.66
NS records: ns2.i-st.net, ns.i-st.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for clarson.de (unsigned zone)
⏱️ Timing
Total: 4924ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.148.52.75 |
| NS | 2 | ns2.i-st.net, ns.i-st.net |
| MX | 4 | mx03.hornetsecurity.com (pri: 30), mx04.hornetsecurity.com (pri: 40)... |
| TXT | 2 | MS=ms74664815, v=spf1 include:spf.hornetsecurity.com in |
| SOA | 1 | ns.i-st.net clarson.clarson.de |
Analysis
Hierarchy
mail.clarson.de is delegated beneath clarson.de.
IP Addresses
clarson.de has exactly one IP address — 80.148.52.75.
mail.molni.de, mail.dr-arnim-doerr.de, phg-geraetestecker.de plus two other host names have IP numbers in common with clarson.de.
Name Servers
DNS delegation for clarson.de points to two name servers: ns2.i-st.net and ns.i-st.net.
The name server configuration of clarson.de is shared with other domains, for instance laser-venen.de, phg-kabel.de, ekey-office.de and two others.
There is at least partial name server overlap between clarson.de and other domains — softwareexpress.eu, software-express.de, 51.148.80.in-addr.arpa and two more among them.
These name servers are routinely deployed together with the name servers ns3.i-st.net.
ns2.i-st.net → 80.148.52.66 and ns.i-st.net → 80.148.51.2: one IP number per host name.
Mail Servers
Mail for clarson.de is handled by four mail servers: mx01.hornetsecurity.com, mx02.hornetsecurity.com, mx03.hornetsecurity.com and mx04.hornetsecurity.com.
At least some of the mail servers used by clarson.de are shared with other domains: iok.de, ovsgmbh.de, privatkino.de and two others among them.
Four host names, each with one IP address: mx01.hornetsecurity.com has 94.100.132.8, mx02.hornetsecurity.com has 94.100.136.8, mx03.hornetsecurity.com has 94.100.134.8 and mx04.hornetsecurity.com has 94.100.136.7.