calendar.ch - robtex.com
calendar.ch
| DNSSEC | ⚠️ Not signed | ||||||
| NS | sieg.dns1.ch ⚠️ Not in zone NS records | ||||||
| A | 85.158.232.138🇨🇭 SUNRISE85.158.232.0/21 CH-SUNRISE sunrise / ex_UPC | ||||||
| PTR | sieg.dns1.ch | ||||||
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 2026-07-15 #41 | ||||||
Same first word
Similar names
DNS History
5 records (1 active, 4 former)
○NSns1.domaindiscount24.net2015-08-10 → 2017-12-04 · 4 obs
● 2015-08-10 15:30:28
● 2017-12-04 12:00:36
○ 2026-06-13 11:40:22
○ 2026-07-15 19:20:54
● 2017-12-04 12:00:36
○ 2026-06-13 11:40:22
○ 2026-07-15 19:20:54
○NSns2.domaindiscount24.net2015-08-10 → 2017-12-04 · 4 obs
● 2015-08-10 15:30:28
● 2017-12-04 12:00:36
○ 2026-06-13 11:40:22
○ 2026-07-15 19:20:54
● 2017-12-04 12:00:36
○ 2026-06-13 11:40:22
○ 2026-07-15 19:20:54
○NSns3.domaindiscount24.net2015-08-10 → 2017-12-04 · 4 obs
● 2015-08-10 15:30:28
● 2017-12-04 12:00:36
○ 2026-06-13 11:40:22
○ 2026-07-15 19:20:54
● 2017-12-04 12:00:36
○ 2026-06-13 11:40:22
○ 2026-07-15 19:20:54
●NSsieg.dns1.ch2026-06-13 → 2026-07-15 · 3 obs
○ 2017-12-04 12:00:36
● 2026-06-13 11:40:22
● 2026-07-15 19:20:54
● 2026-06-13 11:40:22
● 2026-07-15 19:20:54
○A85.158.232.1352026-06-13 → 2026-07-03 · 4 obs
● 2026-06-13 11:40:22
○ 2026-07-02 02:27:58
● 2026-07-03 15:22:58
○ 2026-07-15 19:20:54
○ 2026-07-02 02:27:58
● 2026-07-03 15:22:58
○ 2026-07-15 19:20:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | b.nic.ch, e.nic.ch, a.nic.ch, d.nic.ch... | - |
| calendar.ch | sieg.dns1.ch | - |
✅ Authoritative Response
Server:85.158.232.138
NS records: sieg.dns1.ch
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1121ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.158.232.135 |
| NS | 1 | sieg.dns1.ch |
| SOA | 1 | sieg.dns1.ch domain.dns1.ch |
Analysis
Name Servers
calendar.ch has exactly one name server — sieg.dns1.ch.
calendar.ch uses the same name servers as several other domains — among them skitour.ch, owb.ch, footage.ch and two more.
calendar.ch partially shares its NS delegation with several other domains, including nightman.ch, gesundheitspraxis.ch, netzgeraet.ch and two others.
sieg.dns1.ch points to one IP number — 85.158.232.138.