postkuh.de - robtex.com
postkuh.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=1777374188 | ||||||
Subdomains
berta.postkuh.de |
Same first word
Similar names
DNS History
13 records (8 active, 5 former)
●NSber.auth-dns.de2026-02-19 → 2026-04-28 · 2 obs
● 2026-04-28 11:22:20
○NSdns.primarydns.de2026-02-19 → 2026-04-28 · 2 obs
○ 2026-04-28 11:22:20
○NSdns.secondarydns.de2026-02-19 → 2026-04-28 · 2 obs
○ 2026-04-28 11:22:20
○NSdns.tertiarydns.de2026-02-19 → 2026-04-28 · 2 obs
○ 2026-04-28 11:22:20
○NSdns7.cloudns.net2026-02-19 → 2026-04-28 · 2 obs
○ 2026-04-28 11:22:20
○NSdns8.cloudns.net2026-02-19 → 2026-04-28 · 2 obs
○ 2026-04-28 11:22:20
●NSdus.auth-zone.de2026-02-19 → 2026-04-28 · 2 obs
● 2026-04-28 11:22:20
●NSfra.auth-dns.de2026-02-19 → 2026-04-28 · 2 obs
● 2026-04-28 11:22:20
●NSham.auth-dns.de2026-02-19 → 2026-04-28 · 2 obs
● 2026-04-28 11:22:20
●NShidden.primarydns.de2026-02-19 → 2026-04-28 · 2 obs
● 2026-04-28 11:22:20
●NSnue.auth-zone.de2026-02-19 → 2026-04-28 · 2 obs
● 2026-04-28 11:22:20
●NSsto-se.auth-zone.de2026-02-19 → 2026-04-28 · 2 obs
● 2026-04-28 11:22:20
●MXberta.postkuh.de2026-02-19 → 2026-04-28 · 2 obs
● 2026-04-28 11:22:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| postkuh.de | ber.auth-dns.de, ham.auth-dns.de, fra.auth-dns.de, dus.auth-zone.de... | 12 records |
✅ Authoritative Response
Server:91.244.71.40
NS records: ber.auth-dns.de, ham.auth-dns.de, fra.auth-dns.de, dus.auth-zone.de, nue.auth-zone.de, sto-se.auth-zone.de
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1742ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 6 | ham.auth-dns.de, sto-se.auth-zone.de... |
| MX | 1 | berta.postkuh.de (pri: 10) |
| TXT | 1 | v=spf1 include:spf.postkuh.de ~all |
| SOA | 1 | hidden.primarydns.de dns.hostmaster.me |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (sto-se.auth-zone.de, nue.auth-zone.de, ham.auth-dns.de...)
Analysis
Hierarchy
postkuh.de is a parent of berta.postkuh.de.
Name Servers
postkuh.de is delegated to seven name servers: ber.auth-dns.de, fra.auth-dns.de, ham.auth-dns.de, dus.auth-zone.de, nue.auth-zone.de, sto-se.auth-zone.de and hidden.primarydns.de.
At least part of the name servers for postkuh.de are shared with other domains, for instance techc.de, auth-dns.de, secondarydns.de, kunze-sebastian.de and hostmaster.me.
these name servers are commonly used with the name servers a.secondarydns.de, b.secondarydns.de, c.secondarydns.de, ns1.hosting.de, ns2.hosting.de, ns3.hosting.de, d.secondarydns.de, e.secondarydns.de, f.secondarydns.de and dns3.cloudns.net.
Host names with two IP numbers
ber.auth-dns.de points to 2a12:bec4:19a5:93:: and 91.244.71.40
fra.auth-dns.de points to 2a00:ccc1:1:95::1 and 37.114.33.138
ham.auth-dns.de points to 2a05:901:6:1147:: and 91.108.80.37
dus.auth-zone.de points to 2a06:de00:401:4ac:: and 43.251.160.127
nue.auth-zone.de points to 2a03:4000:35:7d7::19 and 195.128.100.111
sto-se.auth-zone.de points to 2a07:e043:1:115::1 and 195.72.61.23
hidden.primarydns.de points to 2a03:4000:5c:6cd:946b:91ff:fe5e:fb47 and 202.61.239.49
Mail Servers
The mail server for postkuh.de is berta.postkuh.de.
postkuh.de uses the same mail server setup as other domains, for example kunze-sebastian.de, b9l.de and route91.net.
Hostname berta.postkuh.de resolves to two IPs: 2a00:1911:1:5abc:8819:d709:9c3f:458e and 185.55.243.31.