rtkkoeln.de - robtex.com
rtkkoeln.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=1775998745 | ||||||
Subdomains
mail.rtkkoeln.de |
Same first word
rtkkoeln.de |
DNS History
12 records (5 active, 7 former)
○NSdns01.ibou.net2015-06-30 → 2017-02-04 · 4 obs
● 2017-02-04 16:41:26
○ 2019-03-17 19:55:18
○ 2026-04-12 13:23:50
○NSdns02.ibou.net2015-06-30 → 2017-02-04 · 4 obs
● 2017-02-04 16:41:26
○ 2019-03-17 19:55:18
○ 2026-04-12 13:23:50
○NSdns03.ibou.net2015-06-30 → 2017-02-04 · 4 obs
● 2017-02-04 16:41:26
○ 2019-03-17 19:55:18
○ 2026-04-12 13:23:50
○NSdns04.ibou.net2015-06-30 → 2017-02-04 · 4 obs
● 2017-02-04 16:41:26
○ 2019-03-17 19:55:18
○ 2026-04-12 13:23:50
●NSdocks17.rzone.de2019-03-17 → 2026-04-12 · 3 obs
● 2019-03-17 19:55:18
● 2026-04-12 13:23:50
●NSshades19.rzone.de2019-03-17 → 2026-04-12 · 3 obs
● 2019-03-17 19:55:18
● 2026-04-12 13:23:50
○MXmail.rtkkoeln.de2015-06-30 → 2017-02-04 · 4 obs
● 2017-02-04 16:41:26
○ 2019-03-17 19:55:18
○ 2026-04-12 13:23:50
●MXrtkkoeln-de.mail.protection.outlook.com2026-03-19 → 2026-04-12 · 3 obs
● 2026-03-19 13:42:38
● 2026-04-12 13:23:50
○MXsmtpin.rzone.de2019-03-17 → 2019-03-17 · 4 obs
● 2019-03-17 19:55:18
○ 2026-03-19 13:42:38
○ 2026-04-12 13:23:50
○A213.131.249.1972015-06-30 → 2017-02-04 · 4 obs
● 2017-02-04 16:41:26
○ 2019-03-17 19:55:18
○ 2026-04-12 13:23:50
●A2a01:238:20a:202:1070::2019-03-17 → 2026-04-12 · 3 obs
● 2019-03-17 19:55:18
● 2026-04-12 13:23:50
●A81.169.145.702019-03-17 → 2026-04-12 · 3 obs
● 2019-03-17 19:55:18
● 2026-04-12 13:23:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| rtkkoeln.de | shades19.rzone.de, docks17.rzone.de | - |
✅ Authoritative Response
Server:185.132.34.146
NS records: shades19.rzone.de, docks17.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtkkoeln.de (unsigned zone)
⏱️ Timing
Total: 966ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.169.145.70 |
| AAAA | 1 | 2a01:238:20a:202:1070:: |
| NS | 2 | docks17.rzone.de, shades19.rzone.de |
| MX | 1 | rtkkoeln-de.mail.protection.outlook.com |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | docks17.rzone.de hostmaster.strato-rz.de |
Analysis
Hierarchy
mail.rtkkoeln.de is a child of rtkkoeln.de.
IP Addresses
rtkkoeln.de has two IP numbers: 2a01:238:20a:202:1070:: and 81.169.145.70.
Other host names, for instance apalloza.es, mit-sicherheit-veraenderung.de, rossquelle.de, atemplus.de and ferienwohnung-badenbaden.de share IP numbers with rtkkoeln.de.
Name Servers
rtkkoeln.de's delegation uses two name servers: docks17.rzone.de and shades19.rzone.de.
rtkkoeln.de uses the same name server setup as other domains, such as lastminute-flughafen-reisen.de, hante.de, vdb-computer.de, noxium.de and oelmuehlegilles.de.
rtkkoeln.de at least partially shares name servers with other domains, including fewo-meisdorf.de, kreditmann.com, moewe-altonah.de, 88l.de and badener-apo.de.
These name servers are commonly used with shades01.rzone.de, shades03.rzone.de, docks03.rzone.de, docks06.rzone.de, docks01.rzone.de, shades11.rzone.de, shades04.rzone.de, shades07.rzone.de, shades05.rzone.de and docks19.rzone.de.
Host names with two IPs:
docks17.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:17 and 217.160.80.144
shades19.rzone.de points to 2607:f1c0:fe:53:185:132:34:146 and 185.132.34.146
Mail Servers
A single mail server handles rtkkoeln.de, rtkkoeln-de.mail.protection.outlook.com.
Host rtkkoeln-de.mail.protection.outlook.com points to eight IPs: 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.