itsystem.ch - robtex.com
itsystem.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.195.241.232🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| PTR | ip-91-195-241-232.defastlink.net | ||||||
| NS | sl1.sedo.com ⭐ | ||||||
| A | 91.195.240.173🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| PTR | ip-91-195-240-173.defastlink.net | ||||||
| NS | sl2.sedo.com | ||||||
| A | 91.195.241.173🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| PTR | ip-91-195-241-173.defastlink.net | ||||||
| MX | localhost ⭐ 🔒 | ||||||
| A | ::1 | ||||||
| A | 127.0.0.1 | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | sl1.sedo.comhostmaster@sedo.de 2018-05-16 #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 2026-03-15 #15 | ||||||
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
○NSns1.itsystems.ch2015-07-25 → 2017-04-02 · 4 obs
● 2017-04-02 12:58:28
○ 2020-02-22 18:24:38
○ 2026-03-23 04:49:06
○NSns2.itsystems.ch2015-07-25 → 2017-04-02 · 4 obs
● 2017-04-02 12:58:28
○ 2020-02-22 18:24:38
○ 2026-03-23 04:49:06
●NSsl1.sedo.com2026-02-16 → 2026-03-23 · 3 obs
● 2026-02-16 14:59:48
● 2026-03-23 04:49:06
●NSsl2.sedo.com2026-02-16 → 2026-03-23 · 3 obs
● 2026-02-16 14:59:48
● 2026-03-23 04:49:06
○MXitsystems.mx.nts.ch2015-07-25 → 2016-03-10 · 4 obs
● 2016-03-10 23:36:10
○ 2016-06-27 14:20:10
○ 2026-03-23 04:49:06
●MXlocalhost2026-02-16 → 2026-03-23 · 3 obs
● 2026-02-16 14:59:48
● 2026-03-23 04:49:06
○MXmx2.itsystems.ch2015-07-25 → 2017-04-02 · 4 obs
● 2017-04-02 12:58:28
○ 2020-02-22 18:24:38
○ 2026-03-23 04:49:06
○MXmx3.itsystems.ch2015-07-25 → 2017-04-02 · 4 obs
● 2017-04-02 12:58:28
○ 2020-02-22 18:24:38
○ 2026-03-23 04:49:06
●A91.195.241.2322026-02-16 → 2026-03-23 · 2 obs
● 2026-03-23 04:49:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | e.nic.ch, d.nic.ch, b.nic.ch, f.nic.ch... | - |
| itsystem.ch | sl1.sedo.com, sl2.sedo.com | - |
✅ Authoritative Response
Server:91.195.241.173
NS records: sl1.sedo.com, sl2.sedo.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for itsystem.ch (unsigned zone)
⏱️ Timing
Total: 639ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.195.241.232 |
| NS | 2 | sl1.sedo.com, sl2.sedo.com |
| MX | 1 | localhost (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | sl1.sedo.com hostmaster.sedo.de |
Analysis
IP Addresses
itsystem.ch points to an IP address: 91.195.241.232.
other host names include econtact.it, blueparking.eu, hz2.de, www.leeminho.com and topcoupons.de; they share IP numbers with itsystem.ch.
Name Servers
Two name servers sl1.sedo.com and sl2.sedo.com handle the delegation for itsystem.ch.
itsystem.ch shares the same name server setup as other domains, for instance devnotes.eu, visionfirst.de, 620.de, treelink.com and rahnama.de.
Host names with one IP:
sl1.sedo.com points to: 91.195.240.173
sl2.sedo.com points to: 91.195.241.173
Mail Servers
itsystem.ch is handled by a single mail server, localhost.
itsystem.ch uses the same mail server setup as other domains, for instance tourscolombia.com, climax-center.com, fashionlunch.de, traktop.com and mail.turbotrainer.de.