bitcoinbuch.de - robtex.com
bitcoinbuch.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 109.237.130.8🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | alfa3072.alfahosting-server.de | ||||||
| NS | cns1.alfahosting.info ⭐ | ||||||
| A | 2a01:64c0:0:5000::8🇩🇪 CLOUDPIT2a01:64c0::/32 | ||||||
| PTR | cns1.cloudpit.de | ||||||
| A | 109.237.142.8🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | cns1.cloudpit.de | ||||||
| NS | cns2.alfahosting.info | ||||||
| A | 2a01:4f8:2b02:a88::105🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | cns2.cloudpit.com | ||||||
| A | 148.251.254.105🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2 | ||||||
| PTR | cns2.cloudpit.com | ||||||
| NS | cns3.alfahosting.info | ||||||
| A | 2a02:2b80:101:5000::8🇩🇪 CLOUDPIT2a02:2b80:101::/48 | ||||||
| PTR | cns3.cloudpit.io | ||||||
| A | 109.237.143.8🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | cns3.cloudpit.io | ||||||
| MX | mail.bitcoinbuch.de ⭐ | ||||||
| A | 109.237.130.8🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | alfa3072.alfahosting-server.de | ||||||
| SOA | cns1.alfahosting.infohostmaster@alfahosting.de 2023-10-17 #1 | ||||||
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=1771291602 | ||||||
DNS History
5 records (5 active, 0 former)
●NScns1.alfahosting.info2015-05-17 → 2026-03-02 · 2 obs
● 2026-03-02 05:36:28
●NScns2.alfahosting.info2015-05-17 → 2026-03-02 · 2 obs
● 2026-03-02 05:36:28
●NScns3.alfahosting.info2015-05-17 → 2026-03-02 · 2 obs
● 2026-03-02 05:36:28
●MXmail.bitcoinbuch.de2015-05-17 → 2026-03-02 · 2 obs
● 2026-03-02 05:36:28
●A109.237.130.82015-05-17 → 2026-03-02 · 2 obs
● 2026-03-02 05:36:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| bitcoinbuch.de | cns1.alfahosting.info, cns2.alfahosting.info, cns3.alfahosting.info | - |
✅ Authoritative Response
Server: 148.251.254.105
NS records: cns1.alfahosting.info, cns2.alfahosting.info, cns3.alfahosting.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bitcoinbuch.de (unsigned zone)
⏱️ Timing
Total: 941ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 109.237.130.8 |
| NS | 3 | cns2.alfahosting.info, cns3.alfahosting.info... |
| MX | 1 | mail.bitcoinbuch.de (pri: 10) |
| SOA | 1 | cns1.alfahosting.info hostmaster.alfahos |
Analysis
IP Addresses
bitcoinbuch.de resolves to one IP number: 109.237.130.8.
other host names including mail.haus-hinzberg.de, mail.bioarchitekt-brinkmann.de, sonnenschutz-schmiedgen.de, mail.fischerjan.com and rote-sau.de share IP numbers with bitcoinbuch.de.
Name Servers
bitcoinbuch.de is delegated to three name servers cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.
bitcoinbuch.de at least partially shares name servers with other domains, for instance bfb-lohra.de, ff-weissenburg.at, fcg-suhl.net, vespa-bavaria.de and upet.de.
Host names with two IP numbers:
cns1.alfahosting.info points to: 2a01:64c0:0:5000::8 and 109.237.142.8.
cns2.alfahosting.info points to: 2a01:4f8:2b02:a88::105 and 148.251.254.105.
cns3.alfahosting.info points to: 2a02:2b80:101:5000::8 and 109.237.143.8.
Mail Servers
bitcoinbuch.de is handled by a single mail server, mail.bitcoinbuch.de.
mail.bitcoinbuch.de resolves to IP 109.237.130.8.