postfach.ch - robtex.com
postfach.ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 80.74.137.2🇨🇭 ASN-METANET80.74.128.0/20 METANET AG, Switzerland | ||||||
| PTR | gothicus.ch-meta.net | ||||||
| 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 | mail.postfach.ch ⭐ | ||||||
| A | 80.74.137.2🇨🇭 ASN-METANET80.74.128.0/20 METANET AG, Switzerland | ||||||
| PTR | gothicus.ch-meta.net | ||||||
| SOA | ch.pro.iohostmaster@metanet.ch 2021-07-27 #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 2026-03-27 #37 | ||||||
Subdomains
mail.postfach.ch |
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSch.pro.io2021-10-18 → 2026-03-27 · 3 obs
● 2021-10-18 22:58:52
● 2026-03-27 18:21:34
●NSnl.pro.io2021-10-18 → 2026-03-27 · 3 obs
● 2021-10-18 22:58:52
● 2026-03-27 18:21:34
○NSns1.iage.ch2015-07-12 → 2016-12-25 · 4 obs
● 2016-12-25 02:37:30
○ 2021-10-18 22:58:52
○ 2026-03-27 18:21:34
○NSns2.iage.ch2015-07-12 → 2016-12-25 · 4 obs
● 2016-12-25 02:37:30
○ 2021-10-18 22:58:52
○ 2026-03-27 18:21:34
●NSp.dnh.net2021-10-18 → 2026-03-27 · 3 obs
● 2021-10-18 22:58:52
● 2026-03-27 18:21:34
●MXmail.postfach.ch2015-07-12 → 2026-03-27 · 2 obs
● 2026-03-27 18:21:34
●A80.74.137.22021-10-18 → 2026-03-27 · 3 obs
● 2021-10-18 22:58:52
● 2026-03-27 18:21:34
○A80.74.154.2062015-07-12 → 2016-12-25 · 4 obs
● 2016-12-25 02:37:30
○ 2021-10-18 22:58:52
○ 2026-03-27 18:21:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | b.nic.ch, e.nic.ch, a.nic.ch, d.nic.ch... | - |
| postfach.ch | p.dnh.net, ch.pro.io, nl.pro.io | - |
✅ Authoritative Response
Server:176.9.166.219
NS records: p.dnh.net, ch.pro.io, nl.pro.io
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1042ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.74.137.2 |
| NS | 3 | p.dnh.net, nl.pro.io... |
| MX | 1 | mail.postfach.ch (pri: 10) |
| SOA | 1 | ch.pro.io hostmaster.metanet.ch |
Analysis
Hierarchy
postfach.ch is the parent of mail.postfach.ch.
IP Addresses
postfach.ch points to a single IP number: 80.74.137.2.
other host names for instance mail.iage.eu, mail.paracord-shop.ch, ns2.iage.mobi, mail.xn--chblete-b1a.ch and homelab.ch share IP numbers with postfach.ch.
Name Servers
postfach.ch is delegated to three name servers: ch.pro.io, nl.pro.io and p.dnh.net.
postfach.ch at least partially shares name servers with other domains, for instance mymail.li, aiktechnik.ch, ipt.ch, oskam.ch and spotbillig.ch.
Host names with two IP numbers:
Host ch.pro.io points to 2a01:64c0:0:5000::19 and 109.237.142.19.
Host nl.pro.io points to 2a01:4f8:fff3:66::219 and 176.9.166.219.
Host p.dnh.net points to 2a02:2b80:101:5000::19 and 109.237.143.19.
Mail Servers
postfach.ch is handled by a single mail server, mail.postfach.ch.
Host name mail.postfach.ch points to IP address 80.74.137.2.