4dev.ch - robtex.com
4dev.ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 146.185.79.214🇨🇭 IWAY146.185.64.0/19 St. Gallisch-Appenzellische Kraftwerke AG | ||||||
| PTR | aw214.eventnet.ch | ||||||
| NS | ch.pro.io ⭐ | ||||||
| A | 2a01:64c0:0:5000::19🇩🇪 CLOUDPIT2a01:64c0::/32 | ||||||
| PTR | ch.pro.io | ||||||
| A | 109.237.142.19🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | ch.pro.io | ||||||
| NS | nl.pro.io | ||||||
| A | 2a01:4f8:fff3:66::219🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | nl.pro.io | ||||||
| A | 176.9.166.219🇩🇪 Hetzner176.9.0.0/16 HETZNER-RZ-FKS-BLK4 | ||||||
| PTR | nl.pro.io | ||||||
| NS | p.dnh.net | ||||||
| A | 2a02:2b80:101:5000::19🇩🇪 CLOUDPIT2a02:2b80:101::/48 | ||||||
| PTR | p.dnh.net | ||||||
| A | 109.237.143.19🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | p.dnh.net | ||||||
| MX | mx.busapp.ch ⭐ | ||||||
| A | 109.202.201.126🇨🇭 AS13030109.202.192.0/19 | ||||||
| PTR | mx.busapp.ch | ||||||
| MX | mail.busapp.ch(10) | ||||||
| A | 146.185.79.209🇨🇭 IWAY146.185.64.0/19 St. Gallisch-Appenzellische Kraftwerke AG | ||||||
| PTR | mail.busapp.ch | ||||||
| TXT | v=spf1 mx a:mail.busapp.ch ip4:146.185.79.209 ip4:109.202.201.126 include:mai... | ||||||
| SOA | ch.pro.iodns@eventnet.ch 2026-06-08 #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 2026-09-20 #15 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
6 records (6 active, 0 former)
●A146.185.79.2142026-09-13 → 2026-09-20 · 2 obs
● 2026-09-20 06:09:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| 4dev.ch | nl.pro.io, ch.pro.io, p.dnh.net | - |
✅ Authoritative Response
Server:109.237.143.19
NS records: nl.pro.io, ch.pro.io, p.dnh.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2651ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 146.185.79.214 |
| NS | 3 | p.dnh.net, ch.pro.io... |
| MX | 2 | mail.busapp.ch (pri: 10), mx.busapp.ch (pri: 5) |
| TXT | 1 | v=spf1 mx a:mail.busapp.ch ip4:146.185.7 |
| SOA | 1 | ch.pro.io dns.eventnet.ch |
Analysis
IP Addresses
4dev.ch directs to one IP number, which is 146.185.79.214.
Among the host names that share IP numbers with 4dev.ch are sak1.eventnet.ch, julia-romeo.com, showcaller.top and two others.
Name Servers
4dev.ch carries NS records delegating to ch.pro.io, nl.pro.io and p.dnh.net.
The name servers of 4dev.ch overlap at least partially with those of other domains — among them paganiniag.ch, tuttideal.ch, wort.ch and two more.
ch.pro.io, nl.pro.io and p.dnh.net are three hostnames that each resolve to a pair of IP addresses: ch.pro.io to 109.237.142.19 and 2a01:64c0:0:5000::19, nl.pro.io to 176.9.166.219 and 2a01:4f8:fff3:66::219, and p.dnh.net to 109.237.143.19 and 2a02:2b80:101:5000::19.
Mail Servers
The MX records for 4dev.ch point to two mail servers: mail.busapp.ch and mx.busapp.ch.
4dev.ch has the same mail server arrangement as a number of other domains, for example aussenspiegel.ch, workgate.ch, eventmail.ch and two more.
4dev.ch shares at least some of its mail servers with other domains — for example mammutjaeger.ch, udo-juergens-story.at, der-mechaniker.ch and two more.
The mail servers mail.busapp.biz and aw213.eventnet.ch are commonly paired with these mail servers.
Both mail.busapp.ch and mx.busapp.ch have a single IP address each — mail.busapp.ch resolves to 146.185.79.209 while mx.busapp.ch resolves to 109.202.201.126.