zenfo.ch - robtex.com
zenfo.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 2026-07-19 #18 | ||||||
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
●NSns1.namesrv.ch2026-06-13 → 2026-07-19 · 3 obs
● 2026-06-13 01:13:54
● 2026-07-19 08:04:48
○NSns1.swiss-dns.com2015-07-20 → 2017-02-01 · 4 obs
● 2017-02-01 15:56:14
○ 2026-06-13 01:13:54
○ 2026-07-19 08:04:48
●NSns2.namesrv.net2026-06-13 → 2026-07-19 · 3 obs
● 2026-06-13 01:13:54
● 2026-07-19 08:04:48
○NSns2.swiss-dns.com2015-07-20 → 2017-02-01 · 4 obs
● 2017-02-01 15:56:14
○ 2026-06-13 01:13:54
○ 2026-07-19 08:04:48
●NSns3.namesrv.io2026-06-13 → 2026-07-19 · 3 obs
● 2026-06-13 01:13:54
● 2026-07-19 08:04:48
○NSns3.swiss-dns.com2015-07-20 → 2017-02-01 · 4 obs
● 2017-02-01 15:56:14
○ 2026-06-13 01:13:54
○ 2026-07-19 08:04:48
○MXmail.zenfo.ch2015-07-20 → 2015-11-19 · 4 obs
● 2015-11-19 13:44:28
○ 2016-02-24 09:32:14
○ 2026-07-19 08:04:48
●MXzenfo-ch.mail.protection.outlook.com2016-02-24 → 2026-07-19 · 3 obs
● 2016-02-24 09:32:14
● 2026-07-19 08:04:48
●A80.74.146.1502015-07-20 → 2026-07-19 · 2 obs
● 2026-07-19 08:04:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, f.nic.ch, d.nic.ch, b.nic.ch... | - |
| zenfo.ch | ns2.namesrv.net, ns1.namesrv.ch, ns3.namesrv.io | 2 records |
✅ Authoritative Response
Server:109.237.143.8
NS records: ns2.namesrv.net, ns1.namesrv.ch, ns3.namesrv.io
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1901ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.74.146.150 |
| NS | 3 | ns3.namesrv.io, ns2.namesrv.net... |
| MX | 1 | zenfo-ch.mail.protection.outlook.com (pr |
| TXT | 3 | v=spf1 include:spf.protection.outlook.co, MS=ms51622882... |
| SOA | 1 | ns1.namesrv.ch hostmaster.dogado.de |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.namesrv.ch, ns1.namesrv.ch)
Analysis
IP Addresses
zenfo.ch points to a single IP number: 80.74.146.150.
Additional host names — mail.swissradio.org, oberauer.ch, who-is.ch and two others — share IP numbers with zenfo.ch.
Name Servers
zenfo.ch is served by three name servers: ns1.namesrv.ch, ns3.namesrv.io and ns2.namesrv.net.
zenfo.ch has at least partial name server overlap with other domains, such as triva-lu.ch, rigi.com, golfeinsteiger.ch and two others.
These name servers tend to appear together with the name servers cns1.cloudpit.de, cns2.cloudpit.com and cns3.cloudpit.io.
The hostnames ns1.namesrv.ch, ns3.namesrv.io and ns2.namesrv.net each direct to two IP addresses — ns1.namesrv.ch to 109.237.142.8 and 2a01:64c0:0:5000::8, ns3.namesrv.io to 109.237.143.8 and 2a02:2b80:101:5000::8, and ns2.namesrv.net to 148.251.254.105 and 2a01:4f8:2b02:a88::105.
Mail Servers
zenfo.ch has one mail server: zenfo-ch.mail.protection.outlook.com.
zenfo-ch.mail.protection.outlook.com points to 8 IP numbers: 52.101.68.10, 52.101.73.11, 52.101.73.16 and 5 other.