plan4.ch - robtex.com
plan4.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 2026-03-27 #31 | ||||||
Same first word
plan4.us |
plan4.net.au |
plan4.it |
plan4.net |
plan4.com.br |
plan4.gr |
plan4.ch |
plan4.se |
plan4.de |
plan4.pl |
plan4.be |
plan4.eu |
plan4.com.au |
Similar names
DNS History
16 records (8 active, 8 former)
●NSns1.casalenz.ch2026-03-02 → 2026-03-27 · 3 obs
● 2026-03-02 01:42:06
● 2026-03-27 15:27:54
●NSns1.hosttech.ch2026-03-02 → 2026-03-27 · 3 obs
● 2026-03-02 01:42:06
● 2026-03-27 15:27:54
○NSns1.reek.ch2018-05-11 → 2018-05-11 · 3 obs
○ 2026-03-02 01:42:06
○ 2026-03-27 15:27:54
●NSns2.casalenz.ch2026-03-02 → 2026-03-27 · 3 obs
● 2026-03-02 01:42:06
● 2026-03-27 15:27:54
●NSns2.hosttech.ch2026-03-02 → 2026-03-27 · 3 obs
● 2026-03-02 01:42:06
● 2026-03-27 15:27:54
○NSns2.reek.ch2018-05-11 → 2018-05-11 · 3 obs
○ 2026-03-02 01:42:06
○ 2026-03-27 15:27:54
●NSns3.casalenz.ch2026-03-02 → 2026-03-27 · 3 obs
● 2026-03-02 01:42:06
● 2026-03-27 15:27:54
●NSns3.hosttech.ch2026-03-02 → 2026-03-27 · 3 obs
● 2026-03-02 01:42:06
● 2026-03-27 15:27:54
○NSns3.reek.ch2018-05-11 → 2018-05-11 · 3 obs
○ 2026-03-02 01:42:06
○ 2026-03-27 15:27:54
○NSns4.reek.ch2018-05-11 → 2018-05-11 · 3 obs
○ 2026-03-02 01:42:06
○ 2026-03-27 15:27:54
○MXemailsecurity.onax.ch2018-05-11 → 2018-05-11 · 3 obs
○ 2026-03-02 01:42:06
○ 2026-03-27 15:27:54
○MXmailgw.cloud.onax.ch2018-05-11 → 2018-05-11 · 3 obs
○ 2026-03-02 01:42:06
○ 2026-03-27 15:27:54
○MXmailrelay.cloud.onax.ch2018-05-11 → 2018-05-11 · 3 obs
○ 2026-03-02 01:42:06
○ 2026-03-27 15:27:54
●MXplan4-ch.mail.protection.outlook.com2026-03-02 → 2026-03-27 · 3 obs
● 2026-03-02 01:42:06
● 2026-03-27 15:27:54
●A185.101.158.2202026-03-02 → 2026-03-27 · 3 obs
● 2026-03-02 01:42:06
● 2026-03-27 15:27:54
○A62.2.207.922018-05-11 → 2018-05-11 · 3 obs
○ 2026-03-02 01:42:06
○ 2026-03-27 15:27:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | f.nic.ch, a.nic.ch, d.nic.ch, b.nic.ch... | - |
| plan4.ch | ns1.hosttech.ch, ns2.hosttech.ch, ns3.hosttech.ch | 6 records |
✅ Authoritative Response
Server:5.79.97.178
NS records: ns1.hosttech.ch, ns2.hosttech.ch, ns3.hosttech.ch
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2544ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.101.158.220 |
| NS | 3 | ns2.casalenz.ch, ns1.casalenz.ch... |
| MX | 1 | plan4-ch.mail.protection.outlook.com (pr |
| TXT | 3 | MS=ms58949953, v=spf1 a include:spf.protection.outlook.... |
| SOA | 1 | ns1.casalenz.ch dns.hosttech.eu |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns3.hosttech.ch, ns2.hosttech.ch, ns1.hosttech.ch...)
Analysis
IP Addresses
plan4.ch points to a single IP number: 185.101.158.220.
Other host names, for instance mail.internet-station.ch, www.insektenschutz-schweiz.ch, 309.hostserv.eu, mail.huber-fahrzeugbau.ch and alprec.com share IP numbers with plan4.ch.
Name Servers
plan4.ch is delegated to six name servers: ns1.casalenz.ch, ns2.casalenz.ch, ns3.casalenz.ch, ns1.hosttech.ch, ns2.hosttech.ch and ns3.hosttech.ch.
plan4.ch at least partially shares name servers with other domains, for instance tschuege.ch, wolke.ch, am-studios.ch, agrodirect.ch and sterne.biz.
These name servers are commonly used with ns1.hostserv.eu, ns2.hostserv.eu, ns3.hostserv.eu, ns1.hosttech.at, ns2.hosttech.at and ns3.hosttech.at.
Host names with two IPs:
ns1.hosttech.ch points to 2001:1680:101:1::2 and 82.220.34.231
ns2.hosttech.ch points to 2001:1af8:4700:a120:4::2 and 5.79.97.178
ns3.hosttech.ch points to 2a01:4f8:c0c:289d::2 and 94.130.74.45
Host names with one IP:
ns1.casalenz.ch points to 82.220.34.231
ns2.casalenz.ch points to 5.79.97.178
ns3.casalenz.ch points to 94.130.74.45
Host names that point to 82.220.34.231: ns1.hosttech.ch and ns1.casalenz.ch
Host names that point to 5.79.97.178: ns2.hosttech.ch and ns2.casalenz.ch
Host names that point to 94.130.74.45: ns3.hosttech.ch and ns3.casalenz.ch
Mail Servers
plan4.ch is handled by a single mail server, plan4-ch.mail.protection.outlook.com.
plan4-ch.mail.protection.outlook.com resolves to eight IP addresses: 2a01:111:f403:ca3c::, 2a01:111:f403:ca3c::1, 2a01:111:f403:ca3c::2, 2a01:111:f403:ca3e::1, 52.101.185.12, 52.101.185.13, 52.101.185.14 and 52.101.187.1.