kessler-ag.ch - robtex.com
kessler-ag.ch
| DNSSEC | ⚠️ Not signed | ||||||
| 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.kessler-ag.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 2023-12-19 #2 | ||||||
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 2026-07-19 #3 | ||||||
Subdomains
Same first word
kessler-ag.com |
kessler-ag.ch |
kessler-ag.de |
DNS History
7 records (5 active, 2 former)
●NSch.pro.io2026-04-09 → 2026-07-18 · 3 obs
● 2026-04-09 09:59:00
● 2026-07-18 23:55:20
●NSnl.pro.io2026-04-09 → 2026-07-18 · 3 obs
● 2026-04-09 09:59:00
● 2026-07-18 23:55:20
○NSns.ch-inter.net2015-08-12 → 2016-12-21 · 4 obs
● 2016-12-21 08:00:18
○ 2026-04-09 09:59:00
○ 2026-07-18 23:55:20
○NSns2.ch-inter.net2015-08-12 → 2016-12-21 · 4 obs
● 2016-12-21 08:00:18
○ 2026-04-09 09:59:00
○ 2026-07-18 23:55:20
●NSp.dnh.net2026-04-09 → 2026-07-18 · 3 obs
● 2026-04-09 09:59:00
● 2026-07-18 23:55:20
●MXmail.kessler-ag.ch2015-08-12 → 2026-07-18 · 2 obs
● 2026-07-18 23:55:20
●A80.74.128.172015-08-12 → 2026-07-18 · 2 obs
● 2026-07-18 23:55:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | d.nic.ch, b.nic.ch, f.nic.ch, e.nic.ch... | - |
| kessler-ag.ch | p.dnh.net, ch.pro.io, nl.pro.io | - |
✅ Authoritative Response
Server:109.237.143.19
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: 1385ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.74.128.17 |
| NS | 3 | nl.pro.io, p.dnh.net... |
| MX | 1 | mail.kessler-ag.ch (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.sui-inter.net +mx +a |
| SOA | 1 | ch.pro.io hostmaster.metanet.ch |
Analysis
Hierarchy
The parent domain of www.kessler-ag.ch and mail.kessler-ag.ch is kessler-ag.ch.
IP Addresses
kessler-ag.ch directs to one IP number, which is 80.74.128.17.
Among the host names that share IP numbers with kessler-ag.ch are boz-pizza.ch, www.sp-langendorf.ch, mail.art-on.ch and two others.
Name Servers
kessler-ag.ch carries NS records delegating to ch.pro.io, nl.pro.io and p.dnh.net.
There is at least partial name server overlap between kessler-ag.ch and other domains — osh.ch, galluskappler.ch, geowatt.ch and two more among them.
ch.pro.io, nl.pro.io and p.dnh.net are three hostnames that each resolve to a pair of IP addresses: ch.pro.io to 109.237.142.19 and 2a01:64c0:0:5000::19, nl.pro.io to 176.9.166.219 and 2a01:4f8:fff3:66::219, and p.dnh.net to 109.237.143.19 and 2a02:2b80:101:5000::19.
Mail Servers
kessler-ag.ch routes its mail through a single mail server, mail.kessler-ag.ch.
mail.kessler-ag.ch carries a single IP number, which is 80.74.128.17.