bison-group.de - robtex.com
bison-group.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:ab20:0:4::17🇨🇭 CYON2a01:ab20::/32 | ||||||
| PTR | s008.cyon.net | ||||||
| A | 149.126.4.17🇨🇭 CYON149.126.0.0/21 cyon GmbH | ||||||
| NS | ns1.cyon.ch ⭐ | ||||||
| A | 2a01:ab20:0:185::2🇨🇭 CYON2a01:ab20::/32 | ||||||
| A | 185.174.216.2🇨🇭 CYON185.174.216.0/22 | ||||||
| PTR | ns1.cyon.ch | ||||||
| NS | ns2.cyon.ch | ||||||
| A | 2001:67c:234::2🇨🇭 CYON2001:67c:234::/48 cyon GmbH | ||||||
| A | 91.206.24.2🇨🇭 CYON91.206.24.0/23 Cyon GmbH | ||||||
| PTR | ns2.cyon.ch | ||||||
| MX | bison-group.de ⭐ | ||||||
| A | 2a01:ab20:0:4::17🇨🇭 CYON2a01:ab20::/32 | ||||||
| PTR | s008.cyon.net | ||||||
| A | 149.126.4.17🇨🇭 CYON149.126.0.0/21 cyon GmbH | ||||||
| PTR | s008.cyon.net | ||||||
| TXT | v=spf1 +a +mx +ip4:194.126.200.0/24 +ip4:149.126.0.0/21 -all | ||||||
| SOA | ns1.cyon.chserver@cyon.ch 2021-01-25 #77 | ||||||
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=1777018154 | ||||||
MX for
bison-group.de |
Same first word
bison-group.net |
bison-group.com |
bison-group.ch |
bison-group.de |
DNS History
5 records (5 active, 0 former)
●MXbison-group.de2016-12-30 → 2026-04-24 · 2 obs
● 2026-04-24 08:38:02
●A149.126.4.172016-12-30 → 2026-04-24 · 2 obs
● 2026-04-24 08:38:02
●A2a01:ab20:0:4::172026-03-12 → 2026-04-24 · 3 obs
● 2026-03-12 12:04:06
● 2026-04-24 08:38:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| bison-group.de | ns1.cyon.ch, ns2.cyon.ch | - |
✅ Authoritative Response
Server:185.174.216.2
NS records: ns1.cyon.ch, ns2.cyon.ch
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bison-group.de (unsigned zone)
⏱️ Timing
Total: 1083ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 149.126.4.17 |
| AAAA | 1 | 2a01:ab20:0:4::17 |
| NS | 2 | ns2.cyon.ch, ns1.cyon.ch |
| MX | 1 | bison-group.de (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:194.126.200.0/24 +ip4 |
| SOA | 1 | ns1.cyon.ch server.cyon.ch |
Analysis
Mail Server Role
bison-group.de serves as the mail server for bison-group.de.
IP Addresses
Two IP numbers are pointed to by bison-group.de: 2a01:ab20:0:4::17 and 149.126.4.17.
other host names include klz.ch, www.rumantsch.ch, mail.flamencoschule.ch, mitura.ch and limpin.ch; they share IP numbers with bison-group.de.
Name Servers
Two name servers ns1.cyon.ch and ns2.cyon.ch handle the delegation for bison-group.de.
bison-group.de shares the same name server setup as other domains, for instance kalpa.ch, servo.ch, ahdesign.ch, childsplay.ch and digitalplace.ch.
Host names with two IP numbers:
ns1.cyon.ch points to 2a01:ab20:0:185::2 and 185.174.216.2.
ns2.cyon.ch points to 2001:67c:234::2 and 91.206.24.2.
Mail Servers
bison-group.de is handled by a single mail server.
bison-group.de resolves to two IPs: 2a01:ab20:0:4::17 and 149.126.4.17.