it4sys.ch - robtex.com
it4sys.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 212.162.13.45🇩🇪 PLUSSERVER-ASN1212.162.12.0/22 Symgenius GmbH & Co. KG | ||||||
| PTR | d76.x-mailer.de | ||||||
| NS | ns1.guests.ch ⭐ | ||||||
| A | 212.162.15.181🇩🇪 PLUSSERVER-ASN1212.162.12.0/22 Symgenius GmbH & Co. KG | ||||||
| PTR | ns1.guests.ch | ||||||
| NS | ns2.guests.ch | ||||||
| A | 213.203.243.53🇩🇪 PLUSSERVER-ASN1213.203.240.0/21 PlusServer GmbH Aggregate Hamburg | ||||||
| MX | it4sys.ch ⭐ | ||||||
| A | 212.162.13.45🇩🇪 PLUSSERVER-ASN1212.162.12.0/22 Symgenius GmbH & Co. KG | ||||||
| PTR | d76.x-mailer.de | ||||||
| SOA | ns1.guests.chhostmaster@it4sys.ch 2017-01-30 #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 2026-03-26 #25 | ||||||
MX for
it4sys.ch |
Same first word
it4sys.ch |
Similar names
DNS History
4 records (4 active, 0 former)
●MXit4sys.ch2015-05-23 → 2026-03-26 · 2 obs
● 2026-03-26 12:19:56
●A212.162.13.452015-05-23 → 2026-03-26 · 2 obs
● 2026-03-26 12:19:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | b.nic.ch, e.nic.ch, a.nic.ch, d.nic.ch... | - |
| it4sys.ch | ns1.guests.ch, ns2.guests.ch | 2 records |
✅ Authoritative Response
Server:213.203.243.53
NS records: ns1.guests.ch, ns2.guests.ch
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for it4sys.ch (unsigned zone)
⏱️ Timing
Total: 531ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 212.162.13.45 |
| NS | 2 | ns2.guests.ch, ns1.guests.ch |
| MX | 1 | it4sys.ch (pri: 0) |
| SOA | 1 | ns1.guests.ch hostmaster.it4sys.ch |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.guests.ch, ns1.guests.ch)
Analysis
Mail Server Role
For it4sys.ch, the mail server is it4sys.ch.
IP Addresses
it4sys.ch resolves to one IP number: 212.162.13.45.
other host names including d76.x-mailer.de, dermasoft.ch, buchmanufaktur.ch, isabellweymann.com and back-into-balance.com share IP numbers with it4sys.ch.
Name Servers
it4sys.ch is delegated to two name servers ns1.guests.ch and ns2.guests.ch.
it4sys.ch shares the same name server setup as other domains, for instance 3fus.ch, marcellos.sg, aaltech.at, first-english.ch and morettis.ch.
Host names with one IP number:
ns1.guests.ch points to 212.162.15.181
ns2.guests.ch points to 213.203.243.53
Mail Servers
it4sys.ch is served by a single mail server, it4sys.ch.
it4sys.ch resolves to IP 212.162.13.45.