mail.certra.ch - robtex.com
mail.certra.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 116.202.157.189🇩🇪 Hetzner116.202.0.0/16 HETZNER-DC | ||||||
| PTR | static.189.157.202.116.clients.your-server.de | ||||||
certra.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 116.202.157.189🇩🇪 Hetzner116.202.0.0/16 HETZNER-DC | ||||||
| NS | nsa4.schlundtech.de ⭐ | ||||||
| NS | nsb4.schlundtech.de | ||||||
| NS | nsc4.schlundtech.de | ||||||
| NS | nsd4.schlundtech.de | ||||||
| MX | mail.certra.ch ⭐ | ||||||
| SOA | nsa4.schlundtech.deinfo@sellcor.eu 2020-03-13 #0 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●A116.202.157.1892026-02-16 → 2026-07-19 · 3 obs
○ 2016-08-07 20:00:22
● 2026-02-16 13:29:34
● 2026-07-19 20:21:50
● 2026-02-16 13:29:34
● 2026-07-19 20:21:50
○A144.76.217.1132015-05-24 → 2016-08-07 · 4 obs
● 2015-05-24 15:01:22
● 2016-08-07 20:00:22
○ 2026-02-16 13:29:34
○ 2026-07-19 20:21:50
● 2016-08-07 20:00:22
○ 2026-02-16 13:29:34
○ 2026-07-19 20:21:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| certra.ch | nsd4.schlundtech.de, nsa4.schlundtech.de, nsb4.schlundtech.de, nsc4.schlundtech.de | - |
✅ Authoritative Response
Server:217.160.80.227
NS records: nsd4.schlundtech.de, nsa4.schlundtech.de, nsb4.schlundtech.de, nsc4.schlundtech.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for certra.ch (unsigned zone)
⏱️ Timing
Total: 701ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 116.202.157.189 |
Analysis
Mail Server Role
mail.certra.ch serves as a mail server for certra.ch.
IP Addresses
mail.certra.ch points to a single IP number: 116.202.157.189.
Additional host names — certra.de, certra.ch, lockfour.de and two others — share IP numbers with mail.certra.ch.