optobyte.ch - robtex.com
optobyte.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 80.74.155.70🇨🇭 ASN-METANET80.74.144.0/20 METANET AG, Switzerland | ||||||
| PTR | divico.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.optobyte.ch ⭐ | ||||||
| A | 80.74.155.70🇨🇭 ASN-METANET80.74.144.0/20 METANET AG, Switzerland | ||||||
| PTR | divico.ch-meta.net | ||||||
| TXT | v=spf1 include:_spf.sui-inter.net +mx +a -all | ||||||
| SOA | ch.pro.iohostmaster@metanet.ch 2024-08-09 #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 2026-07-15 #0 | ||||||
Subdomains
mail.optobyte.ch |
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSch.pro.io2026-06-05 → 2026-07-14 · 3 obs
● 2026-06-05 23:07:42
● 2026-07-14 22:55:08
●NSnl.pro.io2026-06-05 → 2026-07-14 · 3 obs
● 2026-06-05 23:07:42
● 2026-07-14 22:55:08
○NSns.ch-meta.net2015-07-14 → 2020-01-06 · 4 obs
● 2020-01-06 12:51:24
○ 2026-06-05 23:07:42
○ 2026-07-14 22:55:08
○NSns2.ch-meta.net2015-07-14 → 2020-01-06 · 4 obs
● 2020-01-06 12:51:24
○ 2026-06-05 23:07:42
○ 2026-07-14 22:55:08
○NSns3.ch-meta.net2015-07-14 → 2020-01-06 · 4 obs
● 2020-01-06 12:51:24
○ 2026-06-05 23:07:42
○ 2026-07-14 22:55:08
●NSp.dnh.net2026-06-05 → 2026-07-14 · 3 obs
● 2026-06-05 23:07:42
● 2026-07-14 22:55:08
●MXmail.optobyte.ch2015-07-14 → 2026-07-14 · 2 obs
● 2026-07-14 22:55:08
●A80.74.155.702015-07-14 → 2026-07-14 · 2 obs
● 2026-07-14 22:55:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | d.nic.ch, a.nic.ch, f.nic.ch, b.nic.ch... | - |
| optobyte.ch | p.dnh.net, ch.pro.io, nl.pro.io | - |
✅ Authoritative Response
Server:109.237.142.19
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: 1193ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.74.155.70 |
| NS | 3 | nl.pro.io, p.dnh.net... |
| MX | 1 | mail.optobyte.ch (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.sui-inter.net +mx +a |
| SOA | 1 | ch.pro.io hostmaster.metanet.ch |
Analysis
Hierarchy
mail.optobyte.ch is a subdomain of optobyte.ch.
IP Addresses
optobyte.ch resolves to just one IP address, 80.74.155.70.
Two other host names, along with reitsport24.ch, www.display-magazin.ch and www.nebelbox.ch, also share IP numbers with optobyte.ch.
Name Servers
optobyte.ch is delegated to three name servers: ch.pro.io, nl.pro.io and p.dnh.net.
The name servers of optobyte.ch overlap at least partially with those of other domains — among them trailspot.ch, fasg.ch, svwu.ch and two more.
ch.pro.io, nl.pro.io and p.dnh.net each resolve to two IP addresses: ch.pro.io resolves to 109.237.142.19 and 2a01:64c0:0:5000::19; nl.pro.io resolves to 176.9.166.219 and 2a01:4f8:fff3:66::219; p.dnh.net resolves to 109.237.143.19 and 2a02:2b80:101:5000::19.
Mail Servers
The sole mail server for optobyte.ch is mail.optobyte.ch.
mail.optobyte.ch resolves to a single IP number: 80.74.155.70.