sim.ch - robtex.com
sim.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 212.74.173.41🇨🇭 IPWORLDCOM212.74.128.0/18 IP worldcom SA Switzerland | ||||||
| PTR | megaphone-s3.megaphone.ch | ||||||
| NS | ns2.sim.ch ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2a04:b500:0:33:b460:9ff:feb0:8a89🇨🇭 netcup-AS2a04:b500::/32 HOSTSTAR | ||||||
| A | 185.48.231.250🇨🇭 netcup-AS185.48.228.0/22 NETCUP-GMBH | ||||||
| NS | ns1.sim.ch ⚠️ Not in parent delegation | ||||||
| A | 49.12.126.225🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC | ||||||
| PTR | rlx5.loginserver.ch | ||||||
| NS | ns3.crunch.ch ⚠️ Not in zone NS records | ||||||
| A | 49.12.126.225🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC | ||||||
| PTR | rlx5.loginserver.ch | ||||||
| NS | ns4.crunch.ch ⚠️ Not in zone NS records | ||||||
| A | 49.12.126.225🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC | ||||||
| PTR | rlx5.loginserver.ch | ||||||
| MX | mx-server.sim.ch ⭐ | ||||||
| A | 212.74.173.43🇨🇭 IPWORLDCOM212.74.128.0/18 IP worldcom SA Switzerland | ||||||
| PTR | ms5.megaphone.ch | ||||||
| TXT | google-site-verification=KGqyyzG68E8hNRxCJEYqgD5mgJbcbEiYhI73p9fEOT0 | ||||||
| TXT | v=spf1 +a +mx +a:rlx5.loginserver.ch include:spf.mailjet.com -all | ||||||
| SOA | ns2.sim.chhostmaster@sim.ch 2025-09-23 #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 2026-05-09 #36 | ||||||
Subdomains
www.sim.ch |
mx-server.sim.ch |
ns2.sim.ch |
mail.sim.ch |
ns1.sim.ch |
Same first word
Similar names
DNS History
13 records (6 active, 7 former)
○NSns1.crunch.ch2016-12-28 → 2017-09-27 · 5 obs
● 2016-12-28 02:55:30
● 2017-09-27 03:53:18
○ 2026-03-24 04:26:34
○ 2026-05-09 16:35:46
●NSns1.sim.ch2026-03-24 → 2026-05-09 · 3 obs
● 2026-03-24 04:26:34
● 2026-05-09 16:35:46
○NSns1.web-baustelle.ch2015-08-07 → 2016-09-11 · 4 obs
● 2016-09-11 10:57:26
○ 2016-12-28 02:55:30
○ 2026-05-09 16:35:46
○NSns2.crunch.ch2016-12-28 → 2017-09-27 · 5 obs
● 2016-12-28 02:55:30
● 2017-09-27 03:53:18
○ 2026-03-24 04:26:34
○ 2026-05-09 16:35:46
●NSns2.sim.ch2026-03-24 → 2026-05-09 · 3 obs
● 2026-03-24 04:26:34
● 2026-05-09 16:35:46
○NSns2.web-baustelle.ch2015-08-07 → 2016-09-11 · 4 obs
● 2016-09-11 10:57:26
○ 2016-12-28 02:55:30
○ 2026-05-09 16:35:46
●NSns3.crunch.ch2026-03-24 → 2026-05-09 · 3 obs
● 2026-03-24 04:26:34
● 2026-05-09 16:35:46
●NSns4.crunch.ch2026-03-24 → 2026-05-09 · 3 obs
● 2026-03-24 04:26:34
● 2026-05-09 16:35:46
○MXmail.sim.ch2015-08-07 → 2017-09-27 · 4 obs
● 2017-09-27 03:53:18
○ 2026-03-24 04:26:34
○ 2026-05-09 16:35:46
●MXmx-server.sim.ch2026-03-24 → 2026-05-09 · 3 obs
● 2026-03-24 04:26:34
● 2026-05-09 16:35:46
●A212.74.173.412026-03-24 → 2026-05-09 · 3 obs
● 2026-03-24 04:26:34
● 2026-05-09 16:35:46
○A85.10.198.1332015-08-07 → 2016-09-11 · 4 obs
● 2016-09-11 10:57:26
○ 2016-12-28 02:55:30
○ 2026-05-09 16:35:46
○A85.10.207.172016-12-28 → 2017-09-27 · 5 obs
● 2016-12-28 02:55:30
● 2017-09-27 03:53:18
○ 2026-03-24 04:26:34
○ 2026-05-09 16:35:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| sim.ch | ns3.crunch.ch, ns4.crunch.ch | - |
✅ Authoritative Response
Server:49.12.126.225
NS records: ns3.crunch.ch, ns4.crunch.ch
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sim.ch (unsigned zone)
⏱️ Timing
Total: 732ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 212.74.173.41 |
| NS | 2 | ns1.sim.ch, ns2.sim.ch |
| MX | 1 | mx-server.sim.ch (pri: 10) |
| TXT | 2 | google-site-verification=KGqyyzG68E8hNRx, v=spf1 +a +mx +a:rlx5.loginserver.ch inc |
| SOA | 1 | ns2.sim.ch hostmaster.sim.ch |
Analysis
Hierarchy
sim.ch is a parent of www.sim.ch, mx-server.sim.ch, ns2.sim.ch, mail.sim.ch and ns1.sim.ch.
IP Addresses
sim.ch resolves to a single IP: 212.74.173.41.
Other host names, for instance comptact.ch, imagedemarc.ch, horisberger.net, smclausanne.ch and hommes.ch share IP numbers with sim.ch.
Name Servers
sim.ch is delegated to four name servers: ns3.crunch.ch, ns4.crunch.ch, ns1.sim.ch and ns2.sim.ch.
sim.ch shares name servers with other domains to some extent, for example die-malerin.com and kaizensport.ch.
These name servers are commonly used alongside ns1.die-malerin.com, ns2.die-malerin.com, ns1.kaizensport.ch and ns2.kaizensport.ch.
Host names with two IP numbers:
ns2.sim.ch points to 2a04:b500:0:33:b460:9ff:feb0:8a89 and 185.48.231.250.
Host names with one IP number:
ns3.crunch.ch, ns4.crunch.ch and ns1.sim.ch point to 49.12.126.225.
Host names that point to 49.12.126.225: ns3.crunch.ch and ns4.crunch.ch and ns1.sim.ch.
Mail Servers
sim.ch is handled by a single mail server, mx-server.sim.ch.
Host name mx-server.sim.ch points to IP 212.74.173.43.