mail.grade.ch - robtex.com
mail.grade.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 80.74.154.66🇨🇭 ASN-METANET80.74.144.0/20 METANET AG, Switzerland | ||||||
| PTR | bezier.ch-meta.net | ||||||
grade.ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 80.74.154.66🇨🇭 ASN-METANET80.74.144.0/20 METANET AG, Switzerland | ||||||
| NS | ch.pro.io ⭐ | ||||||
| NS | nl.pro.io | ||||||
| NS | p.dnh.net | ||||||
| MX | mail.grade.ch ⭐ | ||||||
| SOA | ch.pro.iohostmaster@metanet.ch 2021-07-19 #0 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A80.74.154.662015-08-09 → 2026-07-20 · 2 obs
● 2015-08-09 14:41:28
● 2026-07-20 02:47:00
● 2026-07-20 02:47:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | b.nic.ch, e.nic.ch, a.nic.ch, d.nic.ch... | - |
| grade.ch | p.dnh.net, nl.pro.io, ch.pro.io | - |
✅ Authoritative Response
Server:109.237.143.19
NS records: p.dnh.net, nl.pro.io, ch.pro.io
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1541ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.74.154.66 |
Analysis
Mail Server Role
mail.grade.ch serves as a mail server for grade.ch.
IP Addresses
mail.grade.ch points to a single IP number: 80.74.154.66.
Additional host names — bimuradio.ch, mail.airballoon.ch, arachnida.ch and two others — share IP numbers with mail.grade.ch.