ptr.de - dns.ninja
ptr.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 213.133.106.144🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | dedi144.your-server.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 ⚠️ Not in parent delegation | ||||||
| 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.ptr.de ⭐ | ||||||
| A | 213.133.106.144🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | dedi144.your-server.de | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-01-28 #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=1782671601 | ||||||
Subdomains
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.first-ns.de2015-07-15 → 2026-06-28 · 2 obs
● 2026-06-28 18:42:52
●NSrobotns2.second-ns.de2015-07-15 → 2026-06-28 · 2 obs
● 2026-06-28 18:42:52
●NSrobotns3.second-ns.com2026-02-18 → 2026-06-28 · 3 obs
● 2026-02-18 21:49:48
● 2026-06-28 18:42:52
●MXmail.ptr.de2015-07-15 → 2026-06-28 · 2 obs
● 2026-06-28 18:42:52
●A213.133.106.1442015-07-15 → 2026-06-28 · 2 obs
● 2026-06-28 18:42:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, z.nic.de, a.nic.de | - |
| ptr.de | ns1.first-ns.de, robotns2.second-ns.de | - |
✅ Authoritative Response
Server:213.133.100.103
NS records: ns1.first-ns.de, robotns2.second-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ptr.de (unsigned zone)
⏱️ Timing
Total: 1074ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.133.106.144 |
| NS | 3 | robotns3.second-ns.com, ns1.first-ns.de... |
| MX | 1 | mail.ptr.de (pri: 10) |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
The parent domain of www.ptr.de and mail.ptr.de is ptr.de.
IP Addresses
ptr.de directs to one IP number, which is 213.133.106.144.
Among the host names that share IP numbers with ptr.de are wohnart-duderstadt.de, mail.ptr.de, mail.xn--orthopdie-leib-bib.de and two others.
Name Servers
The authoritative name servers for ptr.de are robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de — three in total.
At least some of ptr.de's name servers are shared with other domains, for example max-beckmann-archive.org, online-labor.de, pricewatch.ch and two more.
robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de all resolve to exactly two IP numbers apiece: robotns3.second-ns.com → 193.47.99.3 and 2001:67c:192c::add:a3; ns1.first-ns.de → 213.239.242.238 and 2a01:4f8:0:a101::a:1; robotns2.second-ns.de → 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.
Mail Servers
ptr.de routes its mail through a single mail server, mail.ptr.de.
mail.ptr.de directs to just one IP number, 213.133.106.144.