kw51.de - robtex.com
kw51.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.169.234.220🇩🇪 STRATO81.169.128.0/17 AG | ||||||
| PTR | mail.aesa-deutschland.de | ||||||
| NS | ns1.first-ns.de ⭐ | ||||||
| A | 2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.first-ns.de | ||||||
| A | 213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns1.first-ns.de | ||||||
| NS | robotns2.second-ns.de | ||||||
| A | 2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | robotns2.second-ns.de | ||||||
| A | 213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | robotns2.second-ns.de | ||||||
| NS | robotns3.second-ns.com | ||||||
| A | 2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| A | 193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| MX | mail.kw51.de ⭐ | ||||||
| A | 81.169.234.220🇩🇪 STRATO81.169.128.0/17 AG | ||||||
| PTR | mail.aesa-deutschland.de | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-04-14 #0 | ||||||
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=1785180016 | ||||||
Subdomains
mail.kw51.de |
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
●NSns1.first-ns.de2015-07-05 → 2026-07-27 · 2 obs
● 2026-07-27 19:34:40
●NSrobotns2.second-ns.de2015-07-05 → 2026-07-27 · 2 obs
● 2026-07-27 19:34:40
●NSrobotns3.second-ns.com2015-07-05 → 2026-07-27 · 2 obs
● 2026-07-27 19:34:40
●MXmail.kw51.de2015-07-05 → 2026-07-27 · 2 obs
● 2026-07-27 19:34:40
○A62.75.186.562020-03-08 → 2020-03-08 · 4 obs
● 2020-03-08 08:54:10
○ 2026-07-11 16:31:44
○ 2026-07-27 19:34:40
●A81.169.234.2202026-07-11 → 2026-07-27 · 3 obs
● 2026-07-11 16:31:44
● 2026-07-27 19:34:40
○A85.214.200.1732015-07-05 → 2017-03-18 · 4 obs
● 2017-03-18 11:03:58
○ 2020-03-08 08:54:10
○ 2026-07-27 19:34:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, z.nic.de, a.nic.de | - |
| kw51.de | robotns3.second-ns.com, ns1.first-ns.de, robotns2.second-ns.de | - |
✅ Authoritative Response
Server:213.239.242.238
NS records: robotns3.second-ns.com, ns1.first-ns.de, robotns2.second-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kw51.de (unsigned zone)
⏱️ Timing
Total: 1019ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.169.234.220 |
| NS | 3 | robotns2.second-ns.de, robotns3.second-ns.com... |
| MX | 1 | mail.kw51.de (pri: 10) |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
kw51.de is a parent domain of mail.kw51.de.
IP Addresses
kw51.de resolves to one IP address: 81.169.234.220.
raidz.de, www.raidz.de, is-only-for.me and two other host names share IP numbers with kw51.de.
Name Servers
DNS for kw51.de is handled by three authoritative name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
kw51.de shares at least some of its name servers with other domains, including fuchs-video.at, ot-eilendorf.de, solarmarktwertatlas.com and two others.
These name servers are frequently seen alongside the name servers hydrogen.ns.hetzner.com.
Three hostnames — robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de — each have two IP addresses: robotns3.second-ns.com has 193.47.99.3 and 2001:67c:192c::add:a3, ns1.first-ns.de has 213.239.242.238 and 2a01:4f8:0:a101::a:1, and robotns2.second-ns.de has 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.
Mail Servers
Mail for kw51.de is handled by a single mail server, mail.kw51.de.
mail.kw51.de has exactly one IP number: 81.169.234.220.