programmierbuecher.de - dns.ninja
programmierbuecher.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=1784898955 | ||||||
Subdomains
mail.programmierbuecher.de |
Same first word
programmierbuecher.de |
DNS History
6 records (6 active, 0 former)
●NSns1.first-ns.de2015-06-24 → 2026-07-24 · 2 obs
● 2026-07-24 13:28:04
●NSrobotns2.second-ns.de2015-06-24 → 2026-07-24 · 2 obs
● 2026-07-24 13:28:04
●NSrobotns3.second-ns.com2015-06-24 → 2026-07-24 · 2 obs
● 2026-07-24 13:28:04
●MXmail.programmierbuecher.de2015-06-24 → 2026-07-24 · 2 obs
● 2026-07-24 13:28:04
●A178.63.94.1312015-06-24 → 2026-07-24 · 2 obs
● 2026-07-24 13:28:04
●A2a01:4f8:121:426c::22026-02-16 → 2026-07-24 · 3 obs
● 2026-02-16 22:38:10
● 2026-07-24 13:28:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| programmierbuecher.de | robotns2.second-ns.de, robotns3.second-ns.com, ns1.first-ns.de | - |
✅ Authoritative Response
Server:213.239.242.238
NS records: robotns2.second-ns.de, robotns3.second-ns.com, ns1.first-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for programmierbuecher.de (unsigned zone)
⏱️ Timing
Total: 1346ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 178.63.94.131 |
| AAAA | 1 | 2a01:4f8:121:426c::2 |
| NS | 3 | robotns3.second-ns.com, ns1.first-ns.de... |
| MX | 1 | mail.programmierbuecher.de (pri: 10) |
| TXT | 1 | v=spf1 a mx a:www.gerd-gruber.de include |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
programmierbuecher.de is the parent zone for mail.programmierbuecher.de.
IP Addresses
programmierbuecher.de resolves to the IP addresses 178.63.94.131 and 2a01:4f8:121:426c::2
mail.wurstimperium.com, gerd-gruber.de, hyperinternet.de plus two other host names have IP numbers in common with programmierbuecher.de.
Name Servers
programmierbuecher.de is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
programmierbuecher.de partially shares its NS delegation with several other domains, including mau.fi, ecomizer.de, schmidma.com and two others.
These name servers regularly co-occur with the name servers hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de each resolve to two IP addresses: robotns3.second-ns.com resolves to 193.47.99.3 and 2001:67c:192c::add:a3; ns1.first-ns.de resolves to 213.239.242.238 and 2a01:4f8:0:a101::a:1; robotns2.second-ns.de resolves to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.
Mail Servers
programmierbuecher.de uses one mail server — mail.programmierbuecher.de.
programmierbuecher.de uses the same mail servers as other domains, including gerd-gruber.de.
The host mail.programmierbuecher.de resolves to 178.63.94.131 and 2a01:4f8:121:426c::2 — two IP addresses.