core2k.de - robtex.com
core2k.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=1774687516 | ||||||
Subdomains
server.core2k.de |
Same first word
core2k.de |
DNS History
12 records (7 active, 5 former)
●NSnsa9.schlundtech.de2015-07-22 → 2026-03-28 · 2 obs
● 2026-03-28 08:51:38
●NSnsb9.schlundtech.de2015-07-22 → 2026-03-28 · 2 obs
● 2026-03-28 08:51:38
●NSnsc9.schlundtech.de2015-07-22 → 2026-03-28 · 2 obs
● 2026-03-28 08:51:38
●NSnsd9.schlundtech.de2015-07-22 → 2026-03-28 · 2 obs
● 2026-03-28 08:51:38
○MXcore2k.de2017-02-14 → 2021-07-12 · 4 obs
● 2017-02-14 03:21:58
● 2021-07-12 00:15:36
○ 2026-03-28 08:51:38
○MXpoetzsch.cc2015-07-22 → 2016-06-26 · 4 obs
● 2016-06-26 17:19:20
○ 2017-02-14 03:21:58
○ 2026-03-28 08:51:38
●MXserver.core2k.de2026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 08:51:38
○A136.243.72.2292017-02-14 → 2017-02-14 · 4 obs
● 2017-02-14 03:21:58
○ 2019-12-22 11:55:18
○ 2026-03-28 08:51:38
○A136.243.72.2392019-12-22 → 2021-07-12 · 4 obs
● 2019-12-22 11:55:18
● 2021-07-12 00:15:36
○ 2026-03-28 08:51:38
●A2a01:4f8:10a:32c7::22026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 08:51:38
○A85.10.205.142015-07-22 → 2016-06-26 · 4 obs
● 2016-06-26 17:19:20
○ 2017-02-14 03:21:58
○ 2026-03-28 08:51:38
●A88.99.162.1712026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 08:51:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| core2k.de | nsc9.schlundtech.de, nsb9.schlundtech.de, nsa9.schlundtech.de, nsd9.schlundtech.de | - |
✅ Authoritative Response
Server:217.160.80.227
NS records: nsc9.schlundtech.de, nsb9.schlundtech.de, nsa9.schlundtech.de, nsd9.schlundtech.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for core2k.de (unsigned zone)
⏱️ Timing
Total: 983ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 88.99.162.171 |
| AAAA | 1 | 2a01:4f8:10a:32c7::2 |
| NS | 4 | nsb9.schlundtech.de, nsd9.schlundtech.de... |
| MX | 1 | server.core2k.de (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:88.99.162.171 ip6:2a01:4 |
| SOA | 1 | nsa9.schlundtech.de info.core2k.de |
Analysis
Hierarchy
server.core2k.de has core2k.de as its parent.
IP Addresses
core2k.de points to two IPs: 2a01:4f8:10a:32c7::2 and 88.99.162.171.
Other host names, for example, server.core2k.de share IP numbers with core2k.de.
Name Servers
core2k.de is delegated to four name servers: nsa9.schlundtech.de, nsb9.schlundtech.de, nsc9.schlundtech.de and nsd9.schlundtech.de.
core2k.de at least partially shares name servers with other domains such as xshost.de, fulda-online.de, hinkel-elektronik.de, ilib.de and hernelokal.de.
Host names with two IP numbers:
nsa9.schlundtech.de points to 2607:f1c0:fe:53:185:132:34:227 and 185.132.34.227
nsb9.schlundtech.de points to 2607:f1c0:fe:53:185:132:35:227 and 185.132.35.227
nsc9.schlundtech.de points to 2001:8d8:fe:53:217:160:80:227 and 217.160.80.227
nsd9.schlundtech.de points to 2001:8d8:fe:53:217:160:81:227 and 217.160.81.227
Mail Servers
core2k.de is handled by a single mail server, server.core2k.de.
Host name server.core2k.de points to IPs 2a01:4f8:10a:32c7::2 and 88.99.162.171.