WWW.RTSAK.COM - it4sys.ch
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it4sys.ch checked at 2025-10-31T10:45:11.774Z 1161ms 60/60/60 100% R:10it4sys.ch
| MX | it4sys.ch | ||||||
| A | 212.162.13.45🇩🇪 PLUSSERVER-ASN1 | ||||||
| PTR | d76.x-mailer.de | ||||||
| NS | ns1.guests.ch | ||||||
| A | 212.162.15.181🇩🇪 PLUSSERVER-ASN1 | ||||||
| PTR | ns1.guests.ch | ||||||
| NS | ns2.guests.ch | ||||||
| A | 213.203.243.53🇩🇪 PLUSSERVER-ASN1 | ||||||
| A | 212.162.13.45🇩🇪 PLUSSERVER-ASN1 | ||||||
| PTR | d76.x-mailer.de | ||||||
ch
| NS | a.nic.ch | ||||||
| NS | b.nic.ch | ||||||
| NS | d.nic.ch | ||||||
| NS | e.nic.ch | ||||||
| NS | f.nic.ch | ||||||
MX for
| it4sys.ch | 
Starts with same word
| it4sys.ch | 
Starts similarily
AI analysis
it4sys.ch serves as the mail server for it4sys.ch.
it4sys.ch resolves to a single IP address: 212.162.13.45.
Other host names including d76.x-mailer.de, dermasoft.ch, wkl.ch, buchmanufaktur.ch and isabellweymann.com share IP numbers with it4sys.ch.
it4sys.ch's delegation uses two name servers, ns1.guests.ch and ns2.guests.ch.
it4sys.ch shares the same name server setup as other domains, for example marcellos.sg, aaltech.at, first-english.ch, morettis.ch and anadis.ch.
Host names with a single IP:
ns1.guests.ch points to 212.162.15.181.
ns2.guests.ch points to 213.203.243.53.
 A single mail server handles it4sys.ch. 
it4sys.ch points to a single IP: 212.162.13.45.
dbq