cortronik.de - robtex.com
cortronik.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=1775940035 | ||||||
Same first word
cortronik.de |
cortronik.com |
DNS History
8 records (5 active, 3 former)
●NSns01.versatel.de2015-05-17 → 2026-04-11 · 2 obs
● 2026-04-11 20:51:44
●NSns02.versatel.de2015-05-17 → 2026-04-11 · 2 obs
● 2026-04-11 20:51:44
●NSns03.versatel.de2015-05-17 → 2026-04-11 · 2 obs
● 2026-04-11 20:51:44
●MXcortronik-de.mail.protection.outlook.com2026-03-28 → 2026-04-11 · 3 obs
● 2026-03-28 08:29:20
● 2026-04-11 20:51:44
○MXmail.biotronik.com2015-05-17 → 2019-01-11 · 4 obs
● 2019-01-11 11:45:32
○ 2026-03-28 08:29:20
○ 2026-04-11 20:51:44
○MXmail1.biotronik.org2015-05-17 → 2019-01-11 · 4 obs
● 2019-01-11 11:45:32
○ 2026-03-28 08:29:20
○ 2026-04-11 20:51:44
○MXmail2.biotronik.org2015-05-17 → 2019-01-11 · 4 obs
● 2019-01-11 11:45:32
○ 2026-03-28 08:29:20
○ 2026-04-11 20:51:44
●A91.204.11.392026-03-28 → 2026-04-11 · 2 obs
● 2026-04-11 20:51:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| cortronik.de | ns03.versatel.de, ns01.versatel.de, ns02.versatel.de | 3 records |
✅ Authoritative Response
Server:212.7.128.165
NS records: ns03.versatel.de, ns01.versatel.de, ns02.versatel.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cortronik.de (unsigned zone)
⏱️ Timing
Total: 758ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.204.11.39 |
| NS | 3 | ns03.versatel.de, ns02.versatel.de... |
| MX | 1 | cortronik-de.mail.protection.outlook.com |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns01.versatel.de hostmaster.versatel.de |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns01.versatel.de, ns02.versatel.de, ns03.versatel.de)
Analysis
IP Addresses
cortronik.de points to IP number: 91.204.11.39.
Other host names such as biotronik.fi, mse-microelectronics.de, litronik.de, biotronik.us and biotronik.pl share IPs with cortronik.de.
Name Servers
cortronik.de is delegated to three name servers: ns01.versatel.de, ns02.versatel.de and ns03.versatel.de.
cortronik.de at least partially shares name servers with other domains, for instance labor-online.com, 208.245.89.in-addr.arpa, 181.207.82.in-addr.arpa, 83.72.62.in-addr.arpa and 68.117.92.in-addr.arpa.
these name servers are commonly used together with the name servers ns04.versatel.de, dnsdb.versatel.de, ns.drv-bund.de, dldi0001.rlp.de and ibx-gm.prod.bund.drv.
Host names with a single IP:
ns01.versatel.de points to: 212.7.128.162.
ns02.versatel.de points to: 212.7.128.165.
ns03.versatel.de points to: 193.219.15.17.
Mail Servers
cortronik.de is handled by a single mail server, cortronik-de.mail.protection.outlook.com.
Host name cortronik-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.