itb.ch - robtex.com
itb.ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 80.74.155.30🇨🇭 ASN-METANET80.74.144.0/20 METANET AG, Switzerland | ||||||
| PTR | everest.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.itb.ch ⭐ | ||||||
| A | 80.74.155.30🇨🇭 ASN-METANET80.74.144.0/20 METANET AG, Switzerland | ||||||
| PTR | everest.ch-meta.net | ||||||
| SOA | ch.pro.iohostmaster@metanet.ch 2021-07-20 #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 2026-05-09 #18 | ||||||
Subdomains
mail.itb.ch |
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSch.pro.io2021-10-17 → 2026-05-09 · 3 obs
● 2021-10-17 07:16:50
● 2026-05-09 07:40:22
●NSnl.pro.io2021-10-17 → 2026-05-09 · 3 obs
● 2021-10-17 07:16:50
● 2026-05-09 07:40:22
○NSns.ch-meta.net2015-08-09 → 2021-06-16 · 4 obs
● 2021-06-16 13:16:30
○ 2021-10-17 07:16:50
○ 2026-05-09 07:40:22
○NSns2.ch-meta.net2015-08-09 → 2021-06-16 · 4 obs
● 2021-06-16 13:16:30
○ 2021-10-17 07:16:50
○ 2026-05-09 07:40:22
○NSns3.ch-meta.net2015-08-09 → 2021-06-16 · 4 obs
● 2021-06-16 13:16:30
○ 2021-10-17 07:16:50
○ 2026-05-09 07:40:22
●NSp.dnh.net2021-10-17 → 2026-05-09 · 3 obs
● 2021-10-17 07:16:50
● 2026-05-09 07:40:22
●MXmail.itb.ch2015-08-09 → 2026-05-09 · 2 obs
● 2026-05-09 07:40:22
●A80.74.155.302015-08-09 → 2026-05-09 · 2 obs
● 2026-05-09 07:40:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| itb.ch | ch.pro.io, nl.pro.io, p.dnh.net | - |
✅ Authoritative Response
Server:109.237.143.19
NS records: ch.pro.io, nl.pro.io, p.dnh.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1115ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.74.155.30 |
| NS | 3 | p.dnh.net, nl.pro.io... |
| MX | 1 | mail.itb.ch (pri: 10) |
| SOA | 1 | ch.pro.io hostmaster.metanet.ch |
Analysis
Hierarchy
itb.ch is the parent of mail.itb.ch.
IP Addresses
itb.ch points to IP number 80.74.155.30.
For instance, other host names mail.feuerwehrshop.ch, mail.hosea.ch, web-care.ch, mail.hofpulfer.ch and mail.nrw.musicandmind.ch share IP numbers with itb.ch.
Name Servers
The delegation for itb.ch is handled by three name servers: ch.pro.io, nl.pro.io and p.dnh.net.
itb.ch shares name servers with other domains at least partially, for example asylnetz.ch, skm-cvm.ch, lo-horgen.ch, buy-local.ch and ferrari-umbau.ch.
Host names with two IPs:
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
itb.ch is handled by a single mail server, mail.itb.ch.
mail.itb.ch points to a single IP: 80.74.155.30.