proswiss.ch - robtex.com
proswiss.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 213.133.226.21🇨🇭 Assolo213.133.224.0/21 1 | ||||||
| PTR | ps4.proswiss.ch | ||||||
| NS | ps3.proswiss.ch ⭐ | ||||||
| A | 213.133.226.20🇨🇭 Assolo213.133.224.0/21 1 | ||||||
| PTR | ps3.proswiss.ch | ||||||
| NS | ps4.proswiss.ch | ||||||
| A | 213.133.226.21🇨🇭 Assolo213.133.224.0/21 1 | ||||||
| PTR | ps4.proswiss.ch | ||||||
| MX | mail.proswiss.ch ⭐ | ||||||
| A | 213.133.226.21🇨🇭 Assolo213.133.224.0/21 1 | ||||||
| PTR | ps4.proswiss.ch | ||||||
| TXT | v=spf1 mx a ip4:213.133.226.20 ~all | ||||||
| SOA | ps3.proswiss.chinfo@proswiss.ch 2023-06-15 #1 | ||||||
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 2026-04-26 #3 | ||||||
Previously MX for
proswiss.ch |
Subdomains
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
○NSps1.proswiss.ch2015-08-22 → 2017-06-26 · 4 obs
● 2017-06-26 04:54:26
○ 2026-02-17 09:29:26
○ 2026-04-26 00:17:30
○NSps2.proswiss.ch2015-08-22 → 2017-06-26 · 4 obs
● 2017-06-26 04:54:26
○ 2026-02-17 09:29:26
○ 2026-04-26 00:17:30
●NSps3.proswiss.ch2026-02-17 → 2026-04-26 · 3 obs
● 2026-02-17 09:29:26
● 2026-04-26 00:17:30
●NSps4.proswiss.ch2026-02-17 → 2026-04-26 · 3 obs
● 2026-02-17 09:29:26
● 2026-04-26 00:17:30
●MXmail.proswiss.ch2026-02-17 → 2026-04-26 · 3 obs
● 2026-02-17 09:29:26
● 2026-04-26 00:17:30
○MXproswiss.ch2015-08-22 → 2017-06-26 · 4 obs
● 2017-06-26 04:54:26
○ 2026-02-17 09:29:26
○ 2026-04-26 00:17:30
●A213.133.226.212026-02-17 → 2026-04-26 · 3 obs
● 2026-02-17 09:29:26
● 2026-04-26 00:17:30
○A213.133.226.232015-08-22 → 2017-06-26 · 4 obs
● 2017-06-26 04:54:26
○ 2026-02-17 09:29:26
○ 2026-04-26 00:17:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| proswiss.ch | ps4.proswiss.ch, ps3.proswiss.ch | 2 records |
✅ Authoritative Response
Server:213.133.226.21
NS records: ps4.proswiss.ch, ps3.proswiss.ch
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for proswiss.ch (unsigned zone)
⏱️ Timing
Total: 452ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.133.226.21 |
| NS | 2 | ps3.proswiss.ch, ps4.proswiss.ch |
| MX | 1 | mail.proswiss.ch (pri: 10) |
| TXT | 1 | v=spf1 mx a ip4:213.133.226.20 ~all |
| SOA | 1 | ps3.proswiss.ch info.proswiss.ch |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ps4.proswiss.ch, ps3.proswiss.ch)
Analysis
Hierarchy
proswiss.ch is a parent of ps1.proswiss.ch, ps2.proswiss.ch, mail.proswiss.ch, ps3.proswiss.ch, ps4.proswiss.ch and a few other host names.
IP Addresses
proswiss.ch points to a single IP: 213.133.226.21.
Other host names, for instance mail.our-provider.com, stubenvoll.ch, mail.stubenvoll.ch, our-provider.com and hst-213-133-226-21.assolo.net share IP numbers with proswiss.ch.
Name Servers
Two name servers ps3.proswiss.ch and ps4.proswiss.ch handle delegation for proswiss.ch.
proswiss.ch uses the same name server setup as other domains, for example baltensperger-energie.ch, stubenvoll.com, stubenvoll.ch, our-provider.com and zefis.ch.
Host names with one IP number: The host name ps3.proswiss.ch points to 213.133.226.20 and the host name ps4.proswiss.ch points to 213.133.226.21.
Mail Servers
proswiss.ch is handled by a single mail server, mail.proswiss.ch.
mail.proswiss.ch points to a single IP: 213.133.226.21.