flightinstructor.ch - robtex.com
flightinstructor.ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 157.90.80.158🇩🇪 Hetzner157.90.0.0/16 HETZNER-DC | ||||||
| PTR | lx55.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.flightinstructor.ch ⭐ | ||||||
| A | 157.90.80.158🇩🇪 Hetzner157.90.0.0/16 HETZNER-DC | ||||||
| PTR | lx55.hoststar.hosting | ||||||
| TXT | v=spf1 a:flightinstructor.ch mx ~all | ||||||
| SOA | ns1.hoststar.hostinghostmaster@flightinstructor.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 2026-05-13 #36 | ||||||
Subdomains
mail.flightinstructor.ch |
Same first word
flightinstructor.ch |
flightinstructor.net |
DNS History
7 records (4 active, 3 former)
●NSns1.hoststar.hosting2026-05-13 → 2026-05-13 · 3 obs
● 2026-05-13 14:16:16
● 2026-05-13 16:49:18
○NSns17.hoststar.ch2015-06-29 → 2017-07-01 · 4 obs
● 2017-07-01 23:56:40
○ 2026-05-13 14:16:16
○ 2026-05-13 16:49:18
○NSns18.hoststar.ch2015-06-29 → 2017-07-01 · 4 obs
● 2017-07-01 23:56:40
○ 2026-05-13 14:16:16
○ 2026-05-13 16:49:18
●NSns2.hoststar.hosting2026-05-13 → 2026-05-13 · 3 obs
● 2026-05-13 14:16:16
● 2026-05-13 16:49:18
●MXmail.flightinstructor.ch2015-06-29 → 2026-05-13 · 2 obs
● 2026-05-13 16:49:18
●A157.90.80.1582026-05-13 → 2026-05-13 · 3 obs
● 2026-05-13 14:16:16
● 2026-05-13 16:49:18
○A213.239.215.1032015-06-29 → 2017-07-01 · 4 obs
● 2017-07-01 23:56:40
○ 2026-05-13 14:16:16
○ 2026-05-13 16:49:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| flightinstructor.ch | ns1.hoststar.hosting, ns2.hoststar.hosting | - |
✅ Authoritative Response
Server:185.48.228.80
NS records: ns1.hoststar.hosting, ns2.hoststar.hosting
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 985ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.90.80.158 |
| NS | 2 | ns2.hoststar.hosting, ns1.hoststar.hosting |
| MX | 1 | mail.flightinstructor.ch (pri: 10) |
| TXT | 1 | v=spf1 a:flightinstructor.ch mx ~all |
| SOA | 1 | ns1.hoststar.hosting hostmaster.flightin |
Analysis
Hierarchy
flightinstructor.ch is a parent of mail.flightinstructor.ch.
IP Addresses
flightinstructor.ch points to a single IP number: 157.90.80.158.
Other host names, for instance abexchange.ch, mail.vfgb.ch, mail.radiostudio.ch, family-bachmann.ch and areka.ch share IP numbers with flightinstructor.ch.
Name Servers
Delegation for flightinstructor.ch rests with two name servers, ns1.hoststar.hosting and ns2.hoststar.hosting.
flightinstructor.ch shares the same name server setup as other domains, including 4casa.ch, melder.ch, barth.ch, dm-bogensport.ch and planepix.ch.
flightinstructor.ch shares name servers with other domains at least partially, for example traser.us.
Host names with one IP number: ns1.hoststar.hosting points to 88.99.214.141; ns2.hoststar.hosting points to 185.48.228.80.
Mail Servers
flightinstructor.ch is handled by a single mail server, mail.flightinstructor.ch.
mail.flightinstructor.ch points to a single IP: 157.90.80.158.