cortronik.com - robtex.com
cortronik.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1775959132 | ||||||
Subdomains
www.cortronik.com |
Same first word
cortronik.com |
cortronik.de |
DNS History
10 records (7 active, 3 former)
●NSns.frankfurt.komtel.net2007-10-30 → 2026-04-12 · 2 obs
● 2026-04-12 02:14:32
●NSsif.komtel.net2007-10-30 → 2026-04-12 · 2 obs
● 2026-04-12 02:14:32
●NSthor.komtel.net2007-10-30 → 2026-04-12 · 2 obs
● 2026-04-12 02:14:32
●MXcortronik-com.mail.protection.outlook.com2026-04-01 → 2026-04-12 · 3 obs
● 2026-04-01 00:56:34
● 2026-04-12 02:14:32
○MXmail.biotronik.com2015-05-21 → 2017-09-22 · 5 obs
● 2015-05-21 03:29:10
● 2017-09-22 07:43:58
○ 2026-04-01 00:56:34
○ 2026-04-12 02:14:32
○MXmail1.biotronik.org2007-10-30 → 2017-09-22 · 4 obs
● 2017-09-22 07:43:58
○ 2026-04-01 00:56:34
○ 2026-04-12 02:14:32
○MXmail2.biotronik.org2007-10-30 → 2017-09-22 · 4 obs
● 2017-09-22 07:43:58
○ 2026-04-01 00:56:34
○ 2026-04-12 02:14:32
●A35.242.229.2392026-04-01 → 2026-04-12 · 2 obs
● 2026-04-12 02:14:32
●A35.246.184.452026-04-01 → 2026-04-12 · 2 obs
● 2026-04-12 02:14:32
●A35.246.248.1382026-04-01 → 2026-04-12 · 2 obs
● 2026-04-12 02:14:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cortronik.com | sif.komtel.net, thor.komtel.net, ns.frankfurt.komtel.net | - |
✅ Authoritative Response
Server:193.219.15.17
NS records: sif.komtel.net, thor.komtel.net, ns.frankfurt.komtel.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cortronik.com (unsigned zone)
⏱️ Timing
Total: 833ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 35.246.184.45, 35.246.248.138... |
| NS | 3 | ns.frankfurt.komtel.net, sif.komtel.net... |
| MX | 1 | cortronik-com.mail.protection.outlook.co |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | thor.komtel.net hostmaster.1und1.net |
Analysis
Hierarchy
cortronik.com is the parent of www.cortronik.com.
IP Addresses
Three IP numbers (35.242.229.239, 35.246.184.45 and 35.246.248.138) are pointed to by cortronik.com.
other host names for instance laois.ie, mentos.com.br, interboot.com, rendementbourse.com and mentos.com.tr share IP numbers with cortronik.com.
Name Servers
cortronik.com is delegated to three name servers: sif.komtel.net, thor.komtel.net and ns.frankfurt.komtel.net.
cortronik.com at least partially shares name servers with other domains, for instance versatelserver.com, uaw-pei.de, 176.226.195.in-addr.arpa, stream-raq.com and edt-online.com.
these name servers are commonly used with ns01.versatel.de, ns1.dimdi.de, ns.ruhrcom.de, ns02.versatel.de, ns.muenchen.komtel.net and ns03.versatel.de.
Host names with one IP number:
sif.komtel.net points to 212.7.128.165.
thor.komtel.net points to 212.7.128.162.
ns.frankfurt.komtel.net points to 193.219.15.17.
Mail Servers
cortronik.com is handled by a single mail server, cortronik-com.mail.protection.outlook.com.
Host name cortronik-com.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.