osterfelder.de - robtex.com
osterfelder.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=1774471209 | ||||||
Subdomains
www.osterfelder.de |
Same first word
osterfelder.de |
Similar names
DNS History
10 records (5 active, 5 former)
○NSdocks11.rzone.de2015-07-04 → 2017-02-06 · 4 obs
● 2017-02-06 21:09:52
○ 2026-02-25 17:34:02
○ 2026-03-25 21:10:34
●NSns1.x-dot.de2026-02-25 → 2026-03-25 · 3 obs
● 2026-02-25 17:34:02
● 2026-03-25 21:10:34
●NSns2.x-dot.de2026-02-25 → 2026-03-25 · 3 obs
● 2026-02-25 17:34:02
● 2026-03-25 21:10:34
●NSns3.xdot.de2026-02-25 → 2026-03-25 · 3 obs
● 2026-02-25 17:34:02
● 2026-03-25 21:10:34
○NSshades03.rzone.de2015-07-04 → 2017-02-06 · 4 obs
● 2017-02-06 21:09:52
○ 2026-02-25 17:34:02
○ 2026-03-25 21:10:34
●MXosterfelder-de.mail.protection.outlook.com2026-02-25 → 2026-03-25 · 3 obs
● 2026-02-25 17:34:02
● 2026-03-25 21:10:34
○MXsmtp.rzone.de2015-07-04 → 2017-02-06 · 4 obs
● 2017-02-06 21:09:52
○ 2026-02-25 17:34:02
○ 2026-03-25 21:10:34
●A159.255.168.1262026-02-25 → 2026-03-25 · 3 obs
● 2026-02-25 17:34:02
● 2026-03-25 21:10:34
○A2a01:238:20a:202:1170::2015-07-04 → 2017-02-06 · 4 obs
● 2017-02-06 21:09:52
○ 2026-02-25 17:34:02
○ 2026-03-25 21:10:34
○A81.169.145.1702015-07-04 → 2017-02-06 · 4 obs
● 2017-02-06 21:09:52
○ 2026-02-25 17:34:02
○ 2026-03-25 21:10:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| osterfelder.de | ns2.x-dot.de, ns3.xdot.de, ns1.x-dot.de | 3 records |
✅ Authoritative Response
Server:159.255.169.253
NS records: ns2.x-dot.de, ns3.xdot.de, ns1.x-dot.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for osterfelder.de (unsigned zone)
⏱️ Timing
Total: 691ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 159.255.168.126 |
| NS | 3 | ns2.x-dot.de, ns3.xdot.de... |
| MX | 1 | osterfelder-de.mail.protection.outlook.c |
| TXT | 2 | MS=ms65983072, v=spf1 mx ip4:62.214.5.98 ip4:217.78.140 |
| SOA | 1 | ns1.x-dot.de postmaster.osterfelder.de |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns3.xdot.de, ns2.x-dot.de, ns1.x-dot.de)
Analysis
Hierarchy
osterfelder.de is the parent of www.osterfelder.de.
IP Addresses
osterfelder.de resolves to a single IP address: 159.255.168.126.
Other host names including ge-wo.de, dnt-weimar.de, taschengeldboerse-oberhausen.de, www.tree2tree.de and elspass.de share IP numbers with osterfelder.de.
Name Servers
osterfelder.de is delegated to three name servers: ns1.x-dot.de, ns2.x-dot.de and ns3.xdot.de.
osterfelder.de at least partially shares name servers with other domains, including hollstein.de, x-dsign.de, schilgen.de, applika.de and dokst.ru.
These name servers are often used together with ns1.xdot.de.
Hostnames with a single IP:
ns1.x-dot.de points to: 159.255.168.253.
ns2.x-dot.de points to: 159.255.169.253.
ns3.xdot.de points to: 159.255.170.5.
Mail Servers
osterfelder.de is handled by a single mail server, osterfelder-de.mail.protection.outlook.com.
Hostname osterfelder-de.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca27::, 2a01:111:f403:ca2d::, 2a01:111:f403:ca2d::1, 2a01:111:f403:ca2d::2, 52.101.168.0, 52.101.170.0, 52.101.170.1 and 52.101.170.2.