thr-koeln.de - robtex.com
thr-koeln.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=1778605397 | ||||||
Subdomains
www.thr-koeln.de |
Same first word
thr-koeln.de |
DNS History
10 records (7 active, 3 former)
●NSdns11.netcologne.de2015-07-10 → 2026-05-12 · 2 obs
● 2026-05-12 17:23:30
●NSdns12.netcologne.de2015-07-10 → 2026-05-12 · 2 obs
● 2026-05-12 17:23:30
●NSdns13.netcologne.de2015-07-10 → 2026-05-12 · 2 obs
● 2026-05-12 17:23:30
●NSdns14.netcologne.de2015-07-10 → 2026-05-12 · 2 obs
● 2026-05-12 17:23:30
○MXdmx1.netcologne.de2019-03-01 → 2019-03-01 · 3 obs
○ 2026-03-12 03:38:48
○ 2026-05-12 17:23:30
○MXdmx2.netcologne.de2019-03-01 → 2019-03-01 · 3 obs
○ 2026-03-12 03:38:48
○ 2026-05-12 17:23:30
●MXpls2.netcologne.de2026-03-12 → 2026-05-12 · 3 obs
● 2026-03-12 03:38:48
● 2026-05-12 17:23:30
●A2001:4dd0:100:1026:80:1:0:52026-03-12 → 2026-05-12 · 3 obs
● 2026-03-12 03:38:48
● 2026-05-12 17:23:30
●A213.168.112.52026-03-12 → 2026-05-12 · 3 obs
● 2026-03-12 03:38:48
● 2026-05-12 17:23:30
○A78.35.16.1102015-07-10 → 2019-03-01 · 4 obs
● 2019-03-01 20:43:02
○ 2026-03-12 03:38:48
○ 2026-05-12 17:23:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| thr-koeln.de | dns14.netcologne.de, dns13.netcologne.de, dns11.netcologne.de, dns12.netcologne.de | - |
✅ Authoritative Response
Server:95.130.17.218
NS records: dns14.netcologne.de, dns13.netcologne.de, dns11.netcologne.de, dns12.netcologne.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for thr-koeln.de (unsigned zone)
⏱️ Timing
Total: 1133ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.168.112.5 |
| AAAA | 1 | 2001:4dd0:100:1026:80:1:0:5 |
| NS | 4 | dns14.netcologne.de, dns11.netcologne.de... |
| MX | 1 | pls2.netcologne.de (pri: 10) |
| TXT | 1 | v=spf1 mx include:_spf.pls.netcologne.de |
| SOA | 1 | dns11.netcologne.de hostmaster.netcologn |
Analysis
Hierarchy
thr-koeln.de is a parent of www.thr-koeln.de.
IP Addresses
thr-koeln.de points to two IP numbers: 2001:4dd0:100:1026:80:1:0:5 and 213.168.112.5.
Other host names, for instance rsh-bonn.de, rsg-sankt-augustin.de, schulen-im-netcologne-netz.de, rseichen-koeln.de and schulen-sankt-augustin.de share IP numbers with thr-koeln.de.
Name Servers
thr-koeln.de is delegated to four name servers: dns11.netcologne.de, dns12.netcologne.de, dns13.netcologne.de and dns14.netcologne.de.
thr-koeln.de at least partially shares name servers with other domains, for instance kksn-symposium.de, desinfektionsmittelliste.de, ceplas-uni.koeln, go4print.net and bewo-sued.de.
Host names with two IP numbers:
dns11.netcologne.de points to: 2a02:2940:0:a0d1::246 and 95.130.16.246.
dns12.netcologne.de points to: 2a02:2940:0:a0d2::218 and 95.130.17.218.
dns13.netcologne.de points to: 2a00:11c0:e:766::2 and 217.146.22.194.
dns14.netcologne.de points to: 2a01:4f8:192:2187::2 and 144.76.91.137.
Mail Servers
thr-koeln.de is handled by a single mail server, pls2.netcologne.de.
thr-koeln.de uses the same mail server configuration as other domains, such as rseichen-koeln.de, kaethe-kollwitz-realschule.de, kths-koeln.de, kgs-baadenbergerstrasse.de and kgs-gotenring.de.
thr-koeln.de shares some mail servers with other domains at least partially, for example herder-koeln.de.
these mail servers are commonly used with mx.spamexperts.com, fallbackmx.spamexperts.eu and lastmx.spamexperts.net.
pls2.netcologne.de resolves to two IP numbers: 2001:4dd0:100:1026:80:1:0:5 and 213.168.112.5.