previon.ch - robtex.com
previon.ch
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 2026-03-15 #15 | ||||||
Subdomains
www.previon.ch |
Same first word
Similar names
DNS History
10 records (8 active, 2 former)
●MXalt1.aspmx.l.google.com2015-08-11 → 2026-03-19 · 2 obs
● 2026-03-19 09:55:12
●MXalt2.aspmx.l.google.com2015-08-11 → 2026-03-19 · 2 obs
● 2026-03-19 09:55:12
●MXaspmx.l.google.com2015-08-11 → 2026-03-19 · 2 obs
● 2026-03-19 09:55:12
●MXaspmx2.googlemail.com2015-08-11 → 2026-03-19 · 2 obs
● 2026-03-19 09:55:12
●MXaspmx3.googlemail.com2015-08-11 → 2026-03-19 · 2 obs
● 2026-03-19 09:55:12
○A174.129.25.1702018-03-02 → 2018-03-02 · 4 obs
● 2018-03-02 12:20:36
○ 2026-03-19 08:08:10
○ 2026-03-19 09:55:12
○A178.63.129.1752015-08-11 → 2016-07-02 · 4 obs
● 2016-07-02 22:48:32
○ 2018-03-02 12:20:36
○ 2026-03-19 09:55:12
●A216.150.1.12026-03-19 → 2026-03-19 · 3 obs
● 2026-03-19 08:08:10
● 2026-03-19 09:55:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | b.nic.ch, e.nic.ch, d.nic.ch, a.nic.ch... | - |
| previon.ch | ns2.cyon.ch, ns1.cyon.ch | 4 records |
✅ Authoritative Response
Server: 185.174.216.2
NS records: ns2.cyon.ch, ns1.cyon.ch
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for previon.ch (unsigned zone)
⏱️ Timing
Total: 1023ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.150.1.1 |
| NS | 2 | ns1.cyon.ch, ns2.cyon.ch |
| MX | 5 | aspmx.l.google.com (pri: 10), alt2.aspmx.l.google.com (pri: 30)... |
| TXT | 5 | apple-domain-verification=RPnt9dfht0f2Rd, v=spf1 a mx include:_spf.google.com ip4:... |
| 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 parent of www.previon.ch is previon.ch.
IP Addresses
previon.ch points to a single IP address: 216.150.1.1.
Other host names such as cmyk.com.mt, www.apeswap.finance, daniellesiggerud.com, mail2.good-samaritan.org and tulum.guide share IPs with previon.ch.
Name Servers
Two name servers ns1.cyon.ch and ns2.cyon.ch handle the delegation for previon.ch.
previon.ch shares the same name server setup as other domains, for example krumuaythai.ch, stv-root.ch, blindspot.ch, svp-academy.ch and eoled.eu.
previon.ch shares name servers with other domains at least partially, for instance xn--meinkieferorthopde-0tb.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
previon.ch is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
previon.ch shares at least partially some mail servers with other domains, for instance ns500742.ns500671.ns500742.ns500742.ns500731.ns500742.ns500671.ns500705.ns500671.ns500671.ns500291.ns500688.ns500291.ns500666.ns500291.ns500131.lustychickser.com, digitalmarketingconcepts.us, ns500734.ns500699.ns500693.ns500699.ns500588.ns500699.ns500588.ns500588.ns500110.dtrkdll.com, mercereng.com and nourishcoaches.com.
these mail servers are often used together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers
Each host name points to two IP numbers:
aspmx2.googlemail.com points to 2607:f8b0:4023:2801::1b and 192.178.128.27
aspmx3.googlemail.com points to 2607:f8b0:4023:1015::1b and 172.253.135.26
aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27
alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26
alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26