sis-it.ch - robtex.com
sis-it.ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 49.12.165.40🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC | ||||||
| PTR | lx33.hoststar.hosting | ||||||
| NS | ns1.hoststar.hosting ⭐ | ||||||
| A | 88.99.214.141🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC | ||||||
| PTR | ns1.hoststar.hosting | ||||||
| NS | ns2.hoststar.hosting | ||||||
| A | 185.48.228.80🇨🇭 netcup-AS185.48.228.0/22 NETCUP-GMBH | ||||||
| PTR | ns2.hoststar.hosting | ||||||
| MX | mail.sis-it.ch ⭐ | ||||||
| A | 49.12.165.40🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC | ||||||
| PTR | lx33.hoststar.hosting | ||||||
| TXT | v=spf1 a:sis-it.ch mx ~all | ||||||
| SOA | ns1.hoststar.hostinghostmaster@sis-it.ch 2026-05-07 #1 | ||||||
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 2026-05-12 #7 | ||||||
Subdomains
mail.sis-it.ch |
Same first word
Similar names
it-sis.com |
is-its.org |
ti-ssi.com |
iss-it.com |
it-sis.net |
it-sis.fr |
it-sis.es |
ssi-it.de |
it-iss.com |
t-sisi.com |
it-sis.ru |
DNS History
8 records (4 active, 4 former)
●NSns1.hoststar.hosting2026-02-15 → 2026-05-12 · 3 obs
● 2026-02-15 17:41:36
● 2026-05-12 02:01:18
○NSns1.hosttech.ch2015-08-16 → 2018-09-17 · 4 obs
● 2018-09-17 10:12:38
○ 2026-02-15 17:41:36
○ 2026-05-12 02:01:18
●NSns2.hoststar.hosting2026-02-15 → 2026-05-12 · 3 obs
● 2026-02-15 17:41:36
● 2026-05-12 02:01:18
○NSns2.hosttech.ch2015-08-16 → 2018-09-17 · 4 obs
● 2018-09-17 10:12:38
○ 2026-02-15 17:41:36
○ 2026-05-12 02:01:18
○NSns3.hosttech.ch2015-08-16 → 2018-09-17 · 4 obs
● 2018-09-17 10:12:38
○ 2026-02-15 17:41:36
○ 2026-05-12 02:01:18
●MXmail.sis-it.ch2015-08-16 → 2026-05-12 · 2 obs
● 2026-05-12 02:01:18
●A49.12.165.402026-02-15 → 2026-05-12 · 3 obs
● 2026-02-15 17:41:36
● 2026-05-12 02:01:18
○A82.220.34.62015-08-16 → 2018-09-17 · 4 obs
● 2018-09-17 10:12:38
○ 2026-02-15 17:41:36
○ 2026-05-12 02:01:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | e.nic.ch, d.nic.ch, f.nic.ch, b.nic.ch... | - |
| sis-it.ch | ns1.hoststar.hosting, ns2.hoststar.hosting | - |
✅ Authoritative Response
Server:88.99.214.141
NS records: ns1.hoststar.hosting, ns2.hoststar.hosting
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1005ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.12.165.40 |
| NS | 2 | ns1.hoststar.hosting, ns2.hoststar.hosting |
| MX | 1 | mail.sis-it.ch (pri: 10) |
| TXT | 1 | v=spf1 a:sis-it.ch mx ~all |
| SOA | 1 | ns1.hoststar.hosting hostmaster.sis-it.c |
Analysis
Hierarchy
mail.sis-it.ch has sis-it.ch as its parent.
IP Addresses
sis-it.ch maps to IP address 49.12.165.40.
Other host names, for instance mail.verhaltens-training.ch, abono.ch, mail.advances-destinationmanagement.ch, mail.alurad.ch and mail.hygiene24.ch share IP numbers with sis-it.ch.
Name Servers
Two name servers ns1.hoststar.hosting and ns2.hoststar.hosting are delegated to sis-it.ch.
sis-it.ch uses the same name server configuration as other domains, such as c-s-b.ch, up-side.ch, sketo.net, prokaninchen.ch and luschti.com.
sis-it.ch shares some name servers with other domains, for example goldbach.ch.
Host names with a single IP address:
ns1.hoststar.hosting points to 88.99.214.141
ns2.hoststar.hosting points to 185.48.228.80
Mail Servers
sis-it.ch is handled by a single mail server, mail.sis-it.ch.
mail.sis-it.ch points to one IP number: 49.12.165.40.