plus.ch - dns.ninja
plus.ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a01:ab20:0:4::121🇨🇭 CYON2a01:ab20::/32 | ||||||
| PTR | s112.cyon.net | ||||||
| A | 149.126.4.121🇨🇭 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.plus.ch ⭐ | ||||||
| A | 2a01:ab20:0:4::121🇨🇭 CYON2a01:ab20::/32 | ||||||
| PTR | s112.cyon.net | ||||||
| A | 149.126.4.121🇨🇭 CYON149.126.0.0/21 cyon GmbH | ||||||
| PTR | s112.cyon.net | ||||||
| TXT | v=spf1 a ip4:194.88.197.178 include:spf.protection.cyon.net ~all | ||||||
| SOA | ns1.cyon.chserver@cyon.ch 2023-11-09 #0 | ||||||
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 2026-07-13 #18 | ||||||
Previously MX for
plus.ch |
Subdomains
mail.plus.ch |
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
●MXmail.plus.ch2026-02-24 → 2026-07-13 · 8 obs
● 2026-02-24 05:16:40
● 2026-04-13 07:01:02
○ 2026-04-13 14:18:52
● 2026-04-15 01:53:32
○ 2026-04-15 16:46:40
● 2026-04-16 04:16:06
● 2026-07-13 07:46:06
○MXplus.ch2015-07-02 → 2016-07-18 · 4 obs
● 2016-07-18 03:39:44
○ 2026-02-24 05:16:40
○ 2026-07-13 07:46:06
●A149.126.4.1212026-02-24 → 2026-07-13 · 8 obs
● 2026-02-24 05:16:40
● 2026-04-13 07:01:02
○ 2026-04-13 14:18:52
● 2026-04-15 01:53:32
○ 2026-04-15 16:46:40
● 2026-04-16 04:16:06
● 2026-07-13 07:46:06
○A194.126.200.532015-07-02 → 2016-07-18 · 4 obs
● 2016-07-18 03:39:44
○ 2026-02-24 05:16:40
○ 2026-07-13 07:46:06
●A2a01:ab20:0:4::1212026-02-24 → 2026-07-13 · 8 obs
● 2026-02-24 05:16:40
● 2026-04-13 07:01:02
○ 2026-04-13 14:18:52
● 2026-04-15 01:53:32
○ 2026-04-15 16:46:40
● 2026-04-16 04:16:06
● 2026-07-13 07:46:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| plus.ch | ns2.cyon.ch, ns1.cyon.ch | 4 records |
✅ Authoritative Response
Server:91.206.24.2
NS records: ns2.cyon.ch, ns1.cyon.ch
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 673ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 149.126.4.121 |
| AAAA | 1 | 2a01:ab20:0:4::121 |
| NS | 2 | ns2.cyon.ch, ns1.cyon.ch |
| MX | 1 | mail.plus.ch (pri: 0) |
| TXT | 1 | v=spf1 a ip4:194.88.197.178 include:spf. |
| 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
Hierarchy
The domain mail.plus.ch falls under the parent plus.ch.
IP Addresses
plus.ch points to the IP addresses 149.126.4.121 and 2a01:ab20:0:4::121
mail.cablo-operateur.ch, mail.cheznu.tv, konservatorium.ch plus two other host names have IP numbers in common with plus.ch.
Name Servers
plus.ch is delegated to two name servers: ns1.cyon.ch and ns2.cyon.ch.
The name server configuration of plus.ch is shared with other domains, for instance ilcsi.ch, kellers-leinsamen.de, chanoyu-tea.com and two others.
ns1.cyon.ch and ns2.cyon.ch each resolve to two IP addresses: ns1.cyon.ch points to 185.174.216.2 and 2a01:ab20:0:185::2, while ns2.cyon.ch points to 91.206.24.2 and 2001:67c:234::2.
Mail Servers
plus.ch uses one mail server — mail.plus.ch.
mail.plus.ch directs to two IP numbers, 149.126.4.121 and 2a01:ab20:0:4::121.