contextcoaching.ch - dns.ninja
contextcoaching.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.12.93.4🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC | ||||||
| PTR | lx65.hoststar.hosting | ||||||
| NS | ns1.hoststar.hosting ⭐ ⚠️ Not in parent delegation | ||||||
| A | 88.99.214.141🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC | ||||||
| PTR | ns1.hoststar.hosting | ||||||
| NS | ns2.hoststar.hosting ⚠️ Not in parent delegation | ||||||
| A | 185.48.228.80🇨🇭 netcup-AS185.48.228.0/22 NETCUP-GMBH | ||||||
| PTR | ns2.hoststar.hosting | ||||||
| NS | ns21.hoststar.ch ⚠️ Not in zone NS records | ||||||
| A | 88.99.214.141🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC | ||||||
| PTR | ns1.hoststar.hosting | ||||||
| NS | ns22.hoststar.ch ⚠️ Not in zone NS records | ||||||
| A | 185.48.228.80🇨🇭 netcup-AS185.48.228.0/22 NETCUP-GMBH | ||||||
| PTR | ns2.hoststar.hosting | ||||||
| MX | mail.contextcoaching.ch ⭐ | ||||||
| A | 49.12.93.4🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC | ||||||
| PTR | lx65.hoststar.hosting | ||||||
| TXT | v=spf1 a:contextcoaching.ch mx ~all | ||||||
| SOA | ns1.hoststar.hostinghostmaster@contextcoaching.ch 2026-07-02 #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 2026-07-07 #25 | ||||||
Subdomains
mail.contextcoaching.ch |
Same first word
contextcoaching.ch |
DNS History
7 records (6 active, 1 former)
●NSns1.hoststar.hosting2026-04-21 → 2026-07-07 · 3 obs
● 2026-04-21 04:35:18
● 2026-07-07 11:38:52
●NSns2.hoststar.hosting2026-04-21 → 2026-07-07 · 3 obs
● 2026-04-21 04:35:18
● 2026-07-07 11:38:52
●NSns21.hoststar.ch2015-07-13 → 2026-07-07 · 2 obs
● 2026-07-07 11:38:52
●NSns22.hoststar.ch2015-07-13 → 2026-07-07 · 2 obs
● 2026-07-07 11:38:52
●MXmail.contextcoaching.ch2015-07-13 → 2026-07-07 · 2 obs
● 2026-07-07 11:38:52
○A213.133.103.1872015-07-13 → 2017-10-31 · 4 obs
● 2017-10-31 10:59:02
○ 2026-04-21 04:35:18
○ 2026-07-07 11:38:52
●A49.12.93.42026-04-21 → 2026-07-07 · 3 obs
● 2026-04-21 04:35:18
● 2026-07-07 11:38:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | b.nic.ch, f.nic.ch, d.nic.ch, a.nic.ch... | - |
| contextcoaching.ch | ns22.hoststar.ch, ns21.hoststar.ch | - |
✅ Authoritative Response
Server:88.99.214.141
NS records: ns22.hoststar.ch, ns21.hoststar.ch
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for contextcoaching.ch (unsigned zone)
⏱️ Timing
Total: 2155ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.12.93.4 |
| NS | 2 | ns2.hoststar.hosting, ns1.hoststar.hosting |
| MX | 1 | mail.contextcoaching.ch (pri: 10) |
| TXT | 1 | v=spf1 a:contextcoaching.ch mx ~all |
| SOA | 1 | ns1.hoststar.hosting hostmaster.contextc |
Analysis
Hierarchy
The domain mail.contextcoaching.ch falls under the parent contextcoaching.ch.
IP Addresses
contextcoaching.ch directs to one IP number, which is 49.12.93.4.
Among the host names that share IP numbers with contextcoaching.ch are mail.didgeridoo-soul.com, hb3d.ch, mail.vita-bella.ch and two others.
Name Servers
The domain contextcoaching.ch is delegated to these four name servers: ns21.hoststar.ch, ns22.hoststar.ch, ns1.hoststar.hosting and ns2.hoststar.hosting.
At least some of contextcoaching.ch's name servers are shared with other domains, for example lunas.ch, frabre.at, umsonstladen.at and two more.
ns21.hoststar.ch, ns22.hoststar.ch, ns1.hoststar.hosting and ns2.hoststar.hosting each point to exactly one IP address. ns21.hoststar.ch directs to 88.99.214.141, ns22.hoststar.ch directs to 185.48.228.80, ns1.hoststar.hosting directs to 88.99.214.141 and ns2.hoststar.hosting directs to 185.48.228.80. Two pairs share an IP: ns21.hoststar.ch and ns1.hoststar.hosting share 88.99.214.141, and ns22.hoststar.ch and ns2.hoststar.hosting share 185.48.228.80.
ns21.hoststar.ch along with ns1.hoststar.hosting each resolve to 88.99.214.141 IP addresses.
ns22.hoststar.ch along with ns2.hoststar.hosting each resolve to 185.48.228.80 IP addresses.
Mail Servers
contextcoaching.ch routes its mail through a single mail server, mail.contextcoaching.ch.
mail.contextcoaching.ch carries a single IP number, which is 49.12.93.4.