aleph-one.de - robtex.com
aleph-one.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=1774385968 | ||||||
Subdomains
mail.aleph-one.de |
Same first word
aleph-one.de |
aleph-one.com.my |
DNS History
7 records (7 active, 0 former)
●NSroot-dns.netcup.net2026-02-20 → 2026-03-24 · 2 obs
● 2026-03-24 21:13:58
●NSsecond-dns.netcup.net2026-02-20 → 2026-03-24 · 2 obs
● 2026-03-24 21:13:58
●NSthird-dns.netcup.net2026-02-20 → 2026-03-24 · 2 obs
● 2026-03-24 21:13:58
●MXmail.aleph-one.de2026-02-20 → 2026-03-24 · 2 obs
● 2026-03-24 21:13:58
●MXmx2e0f.netcup.net2026-02-20 → 2026-03-24 · 2 obs
● 2026-03-24 21:13:58
●A2a03:4000:30:7013::12:88242026-02-20 → 2026-03-24 · 2 obs
● 2026-03-24 21:13:58
●A91.204.46.132026-02-20 → 2026-03-24 · 2 obs
● 2026-03-24 21:13:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| aleph-one.de | second-dns.netcup.net, root-dns.netcup.net, third-dns.netcup.net | - |
✅ Authoritative Response
Server:37.221.199.199
NS records: second-dns.netcup.net, root-dns.netcup.net, third-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for aleph-one.de (unsigned zone)
⏱️ Timing
Total: 2152ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.204.46.13 |
| AAAA | 1 | 2a03:4000:30:7013::12:8824 |
| NS | 3 | third-dns.netcup.net, root-dns.netcup.net... |
| MX | 2 | mail.aleph-one.de (pri: 10), mx2e0f.netcup.net (pri: 50) |
| TXT | 1 | v=spf1 mx a include:_spf.webhosting.syst |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
The parent of mail.aleph-one.de is aleph-one.de.
IP Addresses
aleph-one.de resolves to two IP numbers: 2a03:4000:30:7013::12:8824 and 91.204.46.13.
Other host names, for instance aesthetic-car.de, www.wsce.de, sign-web.de, *.indietronic.de and lapalma-reise.de share IP numbers with aleph-one.de.
Name Servers
aleph-one.de is delegated to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
aleph-one.de partially shares name servers with other domains; examples include dreckbu.de, planung-grabe.de, arztzentrum.de, simply4me.de and tourismusundsport.de.
Host names with two IP numbers:
root-dns.netcup.net points to 2a03:4000:0:1::e1e1 and 46.38.225.225.
second-dns.netcup.net points to 2a03:4000:2:24b::c7c7 and 37.221.199.199.
third-dns.netcup.net points to 2a03:4001:0:106::3f44 and 188.68.63.68.
Mail Servers
aleph-one.de is handled by two mail servers: mail.aleph-one.de and mx2e0f.netcup.net.
aleph-one.de shares some mail servers with other domains, at least partially, such as preiswert-sprechanlagen.de, grundschule-hilbersdorf.de, samoazitron.de, la-palma-ferien.de and wag7.de.
These mail servers are commonly used with mail servers mail.preiswert-sprechanlagen.de, mail.grundschule-hilbersdorf.de, mail.samoazitron.de, mail.la-palma-ferien.de, mail.wag7.de and mail.saelzerhalle.de.
Host names with two IPs:
mx2e0f.netcup.net points to: 2a03:4000:0:388:7816:63ff:fe42:b13c and 91.204.46.15.
Host names with a single IP:
mail.aleph-one.de points to: 91.204.46.15.
Names resolving to 91.204.46.15: mx2e0f.netcup.net and mail.aleph-one.de.