kochkurs.net - robtex.com
kochkurs.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.233.84.53🇩🇪 IPB91.233.84.0/22 -1blu-PI | ||||||
| PTR | cluster.ddom2.directdomain.de | ||||||
| NS | ns1.prodns.de ⭐ | ||||||
| A | 13.248.213.54🇺🇸 Amazon13.248.208.0/20 | ||||||
| PTR | a93aba133e46b51cd.awsglobalaccelerator.com | ||||||
| NS | ns2.prodns.de | ||||||
| A | 87.238.197.120🇩🇪 EVANZOAS87.238.192.0/21 DE-EVANZO-MK | ||||||
| PTR | 120.197.238.87.in-addr.arpa | ||||||
| NS | ns3.prodns.de | ||||||
| A | 136.243.102.23🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3 | ||||||
| PTR | 23.102.243.136.in-addr.arpa | ||||||
| MX | mail.kochkurs.net ⭐ | ||||||
| A | 91.233.87.20🇩🇪 IPB91.233.84.0/22 -1blu-PI | ||||||
| PTR | mx0bln1.prossl.de | ||||||
| TXT | v=spf1 a mx ip4:91.233.84.0/22 ~all | ||||||
| SOA | ns1.prodns.dednsmaster@prodns.de 2021-01-28 #1 | ||||||
net
| 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=1778594731 | ||||||
Subdomains
mail.kochkurs.net |
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSns1.prodns.de2015-05-30 → 2026-05-12 · 3 obs
● 2015-05-30 00:59:30
● 2026-05-12 14:31:20
○NSns1.sedoparking.com2007-10-14 → 2007-10-14 · 3 obs
○ 2015-05-30 00:59:30
○ 2026-05-12 14:31:20
●NSns2.prodns.de2015-05-30 → 2026-05-12 · 3 obs
● 2015-05-30 00:59:30
● 2026-05-12 14:31:20
○NSns2.sedoparking.com2007-10-14 → 2007-10-14 · 3 obs
○ 2015-05-30 00:59:30
○ 2026-05-12 14:31:20
●NSns3.prodns.de2015-05-30 → 2026-05-12 · 3 obs
● 2015-05-30 00:59:30
● 2026-05-12 14:31:20
●MXmail.kochkurs.net2015-05-30 → 2026-05-12 · 3 obs
● 2015-05-30 00:59:30
● 2026-05-12 14:31:20
○A82.98.86.1772007-10-14 → 2007-10-14 · 3 obs
○ 2015-05-30 00:59:30
○ 2026-05-12 14:31:20
●A91.233.84.532015-05-30 → 2026-05-12 · 3 obs
● 2015-05-30 00:59:30
● 2026-05-12 14:31:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | b.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net... | - |
| kochkurs.net | ns2.prodns.de, ns1.prodns.de, ns3.prodns.de | - |
✅ Authoritative Response
Server:136.243.102.23
NS records: ns2.prodns.de, ns1.prodns.de, ns3.prodns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kochkurs.net (unsigned zone)
⏱️ Timing
Total: 1157ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.233.84.53 |
| NS | 3 | ns1.prodns.de, ns2.prodns.de... |
| MX | 1 | mail.kochkurs.net (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:91.233.84.0/22 ~all |
| SOA | 1 | ns1.prodns.de dnsmaster.prodns.de |
Analysis
Hierarchy
The parent of mail.kochkurs.net is kochkurs.net.
IP Addresses
kochkurs.net points to an IP address: 91.233.84.53.
other host names include direktdomain.de, sachsen-pool.de, www.directdomain.de, joachimmichel.de and rgb-netmedia.de; they share IP numbers with kochkurs.net.
Name Servers
kochkurs.net is delegated to three name servers ns1.prodns.de, ns2.prodns.de and ns3.prodns.de.
kochkurs.net at least partially shares name servers with other domains, for instance gerhardtinformatics.de, arsgladii.at, gasthaushaller.de, immobilientreuhand.at and janfriedel.de.
These name servers are commonly used alongside ns2.prodns.eu, ns5.prodns.de and ns4.prodns.eu.
Host names with one IP:
ns1.prodns.de points to 13.248.213.54; ns2.prodns.de points to 87.238.197.120; ns3.prodns.de points to 136.243.102.23.
Mail Servers
kochkurs.net is handled by a single mail server, mail.kochkurs.net.
The host name mail.kochkurs.net points to IP 91.233.87.20.