dualsystems.ch - robtex.com
dualsystems.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:ab20:0:4::60🇨🇭 CYON2a01:ab20::/32 | ||||||
| PTR | s051.cyon.net | ||||||
| A | 149.126.4.60🇨🇭 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 | mail.dualsystems.ch ⭐ | ||||||
| A | 2a01:ab20:0:4::60🇨🇭 CYON2a01:ab20::/32 | ||||||
| PTR | s051.cyon.net | ||||||
| A | 149.126.4.60🇨🇭 CYON149.126.0.0/21 cyon GmbH | ||||||
| PTR | s051.cyon.net | ||||||
| TXT | v=spf1 include:spf.protection.cyon.net -all | ||||||
| SOA | ns1.cyon.chserver@cyon.ch 2021-07-29 #5 | ||||||
ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.ch ⭐ | ||||||
| NS | b.nic.ch | ||||||
| NS | d.nic.ch | ||||||
| NS | e.nic.ch | ||||||
| NS | f.nic.ch | ||||||
| SOA | a.nic.chdns-operation@switch.ch 2026-04-12 #46 | ||||||
Same first word
dualsystems.com |
dualsystems.ch |
DNS History
10 records (5 active, 5 former)
●NSns1.cyon.ch2026-04-07 → 2026-04-12 · 3 obs
● 2026-04-07 11:27:10
● 2026-04-12 21:21:58
○NSns1.wuk-server.com2015-07-24 → 2017-03-18 · 4 obs
● 2017-03-18 20:00:42
○ 2026-04-07 11:27:10
○ 2026-04-12 21:21:58
●NSns2.cyon.ch2026-04-07 → 2026-04-12 · 3 obs
● 2026-04-07 11:27:10
● 2026-04-12 21:21:58
○NSns2.wuk-server.com2015-07-24 → 2017-03-18 · 4 obs
● 2017-03-18 20:00:42
○ 2026-04-07 11:27:10
○ 2026-04-12 21:21:58
○NSns3.wuk-server.com2015-07-24 → 2017-03-18 · 4 obs
● 2017-03-18 20:00:42
○ 2026-04-07 11:27:10
○ 2026-04-12 21:21:58
○NSs1.wuk-server.com2015-07-24 → 2017-03-18 · 4 obs
● 2017-03-18 20:00:42
○ 2026-04-07 11:27:10
○ 2026-04-12 21:21:58
●MXmail.dualsystems.ch2015-07-24 → 2026-04-12 · 2 obs
● 2026-04-12 21:21:58
●A149.126.4.602026-04-07 → 2026-04-12 · 3 obs
● 2026-04-07 11:27:10
● 2026-04-12 21:21:58
●A2a01:ab20:0:4::602026-04-07 → 2026-04-12 · 3 obs
● 2026-04-07 11:27:10
● 2026-04-12 21:21:58
○A80.74.158.462015-07-24 → 2017-03-18 · 4 obs
● 2017-03-18 20:00:42
○ 2026-04-07 11:27:10
○ 2026-04-12 21:21:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, e.nic.ch, f.nic.ch, b.nic.ch... | - |
| dualsystems.ch | ns1.cyon.ch, ns2.cyon.ch | 4 records |
✅ Authoritative Response
Server:91.206.24.2
NS records: ns1.cyon.ch, ns2.cyon.ch
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dualsystems.ch (unsigned zone)
⏱️ Timing
Total: 590ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 149.126.4.60 |
| AAAA | 1 | 2a01:ab20:0:4::60 |
| NS | 2 | ns1.cyon.ch, ns2.cyon.ch |
| MX | 1 | mail.dualsystems.ch (pri: 0) |
| TXT | 1 | v=spf1 include:spf.protection.cyon.net - |
| SOA | 1 | ns1.cyon.ch server.cyon.ch |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns2.cyon.ch, ns1.cyon.ch, ns2.cyon.ch...)
Analysis
IP Addresses
dualsystems.ch points to two IP numbers: 2a01:ab20:0:4::60 and 149.126.4.60.
Other host names such as mail.wellness-coiffeur.ch, _dc-mx.2c7da2b43194.enerweb.ch, provicon.ch, go-wild.ch and alpinwellness.ch share IP numbers with dualsystems.ch.
Name Servers
dualsystems.ch is delegated to two name servers: ns1.cyon.ch and ns2.cyon.ch.
dualsystems.ch uses the same name server setup as other domains, including zsb.ch, consulta-fides.ch, laly.ch, indivizuals.ch and sobeco.ch.
dualsystems.ch shares some name servers with other domains, for example mooove.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
The mail server for dualsystems.ch is mail.dualsystems.ch.
Hostname mail.dualsystems.ch resolves to two IPs: 2a01:ab20:0:4::60 and 149.126.4.60.