ostpreussen.de - robtex.com
ostpreussen.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=1773553752 | ||||||
Subdomains
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
●NScl1.isp-netzplan.de2015-06-03 → 2026-03-19 · 2 obs
● 2026-03-19 09:41:36
●NSsns.isp-netzplan.de2015-06-03 → 2026-03-19 · 2 obs
● 2026-03-19 09:41:36
○MXmail.ostpreussen.de2015-06-03 → 2017-05-31 · 4 obs
● 2017-05-31 07:33:58
○ 2026-02-15 03:53:30
○ 2026-03-19 09:41:36
●MXmx02.isp-netzplan.de2015-06-03 → 2026-03-19 · 2 obs
● 2026-03-19 09:41:36
●MXostpreussen-de.mail.protection.outlook.com2026-02-15 → 2026-03-19 · 3 obs
● 2026-02-15 03:53:30
● 2026-03-19 09:41:36
○A188.40.137.2012015-06-03 → 2017-05-31 · 4 obs
● 2017-05-31 07:33:58
○ 2026-02-15 03:53:30
○ 2026-03-19 09:41:36
●A213.238.37.1392026-02-15 → 2026-03-19 · 3 obs
● 2026-02-15 03:53:30
● 2026-03-19 09:41:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | z.nic.de, a.nic.de, f.nic.de | - |
| ostpreussen.de | cl1.isp-netzplan.de, sns.isp-netzplan.de | 2 records |
✅ Authoritative Response
Server: 213.238.37.204
NS records: cl1.isp-netzplan.de, sns.isp-netzplan.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ostpreussen.de (unsigned zone)
⏱️ Timing
Total: 1105ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.238.37.139 |
| NS | 2 | sns.isp-netzplan.de, cl1.isp-netzplan.de |
| MX | 2 | mx02.isp-netzplan.de (pri: 30), ostpreussen-de.mail.protection.outlook.c |
| TXT | 1 | v=spf1 a mx a:cl1.isp-netzplan.de includ |
| SOA | 1 | sns.isp-netzplan.de naumann.fraktal.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (cl1.isp-netzplan.de, sns.isp-netzplan.de)
Analysis
Hierarchy
The parent of www.ostpreussen.de, mx01.ostpreussen.de and mail.ostpreussen.de is ostpreussen.de.
IP Addresses
ostpreussen.de points to an IP address: 213.238.37.139.
Other host names, such as xn--ostpreuen-m1a.de, das-ostpreussenblatt.de and paz.de, share IP numbers with ostpreussen.de.
Name Servers
Two name servers cl1.isp-netzplan.de and sns.isp-netzplan.de handle the delegation for ostpreussen.de.
ostpreussen.de shares the same name server setup as other domains, for instance ostpreussenarchiv.de, preussische-allgemeine.de, littwitz.com, netzplan.de and xn--ostpreuen-m1a.de.
Host names with one IP:
cl1.isp-netzplan.de points to: 213.238.37.203
sns.isp-netzplan.de points to: 213.238.37.204
Mail Servers
ostpreussen.de is handled by two mail servers: mx02.isp-netzplan.de and ostpreussen-de.mail.protection.outlook.com.
ostpreussen.de shares at least partially some mail servers with other domains, for instance ostpreussenarchiv.de, netzplan.de, deutsche-immobilien.ag, das-ostpreussenblatt.de and hadra.de.
These mail servers are often used together with de-smtp-inbound-1.mimecast.com, de-smtp-inbound-2.mimecast.com, mx-netzplan.isp-netzplan.de, mail01.dsr-immobilien.com and mx01.hadra.de.
Host names with eight IP numbers: ostpreussen-de.mail.protection.outlook.com has eight IPs: 2a01:111:f403:ca04::8, 2a01:111:f403:ca09::5, 2a01:111:f403:ca09::7, 2a01:111:f403:ca09::20, 52.101.73.1, 52.101.73.2, 52.101.73.11 and 52.101.73.26.
Host names with one IP: mx02.isp-netzplan.de points to 213.238.37.201.