biermann.ch - robtex.com
biermann.ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 80.74.128.17🇨🇭 ASN-METANET80.74.128.0/20 METANET AG, Switzerland | ||||||
| PTR | gaius.sui-inter.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.biermann.ch ⭐ | ||||||
| A | 80.74.128.17🇨🇭 ASN-METANET80.74.128.0/20 METANET AG, Switzerland | ||||||
| PTR | gaius.sui-inter.net | ||||||
| TXT | v=spf1 include:_spf.sui-inter.net +mx +a -all | ||||||
| SOA | ch.pro.iohostmaster@metanet.ch 2024-11-06 #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 #45 | ||||||
Subdomains
mail.biermann.ch |
Same first word
biermann.email |
biermann.it |
biermann.eu |
biermann.io |
biermann.com |
biermann.ch |
biermann.be |
biermann.org |
biermann.bayern |
biermann.dk |
biermann.online |
biermann.net |
Similar names
DNS History
7 records (5 active, 2 former)
●NSch.pro.io2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 04:47:26
● 2026-03-27 22:18:42
●NSnl.pro.io2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 04:47:26
● 2026-03-27 22:18:42
○NSns.ch-inter.net2015-07-13 → 2017-08-23 · 4 obs
● 2017-08-23 15:26:08
○ 2026-03-27 04:47:26
○ 2026-03-27 22:18:42
○NSns2.ch-inter.net2015-07-13 → 2017-08-23 · 4 obs
● 2017-08-23 15:26:08
○ 2026-03-27 04:47:26
○ 2026-03-27 22:18:42
●NSp.dnh.net2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 04:47:26
● 2026-03-27 22:18:42
●MXmail.biermann.ch2015-07-13 → 2026-03-27 · 2 obs
● 2026-03-27 22:18:42
●A80.74.128.172015-07-13 → 2026-03-27 · 2 obs
● 2026-03-27 22:18:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| biermann.ch | nl.pro.io, p.dnh.net, ch.pro.io | - |
✅ Authoritative Response
Server:109.237.142.19
NS records: nl.pro.io, p.dnh.net, ch.pro.io
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1053ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.74.128.17 |
| NS | 3 | ch.pro.io, p.dnh.net... |
| MX | 1 | mail.biermann.ch (pri: 0) |
| TXT | 1 | v=spf1 include:_spf.sui-inter.net +mx +a |
| SOA | 1 | ch.pro.io hostmaster.metanet.ch |
Analysis
Hierarchy
The parent of mail.biermann.ch is biermann.ch.
IP Addresses
biermann.ch points to a single IP address: 80.74.128.17.
Other host names such as sydekum.ch, www.sara-saxer.ch, mail.de2sign.ch, ch1.sopnet.ch and mail.bf-solutions.ch share IPs with biermann.ch.
Name Servers
biermann.ch is delegated to three name servers: ch.pro.io, nl.pro.io and p.dnh.net.
biermann.ch at least partially shares name servers with other domains, for example sabrinamulas.ch, change-maker.at, drschaad.ch, 21a.ch and flickflauder.ch.
Host names with two IP numbers:
ch.pro.io points to 2a01:64c0:0:5000::19 and 109.237.142.19
nl.pro.io points to 2a01:4f8:fff3:66::219 and 176.9.166.219
p.dnh.net points to 2a02:2b80:101:5000::19 and 109.237.143.19
Mail Servers
The mail.biermann.ch mail server handles biermann.ch.
mail.biermann.ch points to a single IP number: 80.74.128.17.