biosys.ch - robtex.com
biosys.ch
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns21.tophost.ch ⚠️ Not in zone NS records | ||||||
| A | 2a02:6201:c121:8080::dd:1🇨🇭 NOVATREND-AS2a02:6200::/29 Novatrend-Backbone-ipv6 | ||||||
| PTR | srv21.tophost.ch | ||||||
| A | 193.33.128.221🇨🇭 NOVATREND-AS193.33.128.0/23 Novatrend Services GmbH | ||||||
| PTR | srv21.tophost.ch | ||||||
| NS | ns22.tophost.ch ⚠️ Not in zone NS records | ||||||
| A | 2a02:6201:c121:8080::81dd:1🇨🇭 NOVATREND-AS2a02:6200::/29 Novatrend-Backbone-ipv6 | ||||||
| PTR | ns22.tophost.ch | ||||||
| A | 193.33.129.221🇨🇭 NOVATREND-AS193.33.128.0/23 Novatrend Services GmbH | ||||||
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 2026-07-12 #24 | ||||||
Same first word
biosys.technology |
biosys.biz |
biosys.ca |
biosys.co.jp |
biosys.net |
biosys.company |
biosys.us |
biosys.fr |
biosys.eu |
biosys.co |
biosys.com |
biosys.link |
biosys.com.my |
biosys.es |
biosys.it |
biosys.ch |
biosys.com.tr |
Similar names
DNS History
5 records (2 active, 3 former)
●NSns21.tophost.ch2015-06-06 → 2026-07-12 · 2 obs
● 2026-07-12 10:26:14
●NSns22.tophost.ch2015-06-06 → 2026-07-12 · 2 obs
● 2026-07-12 10:26:14
○MXmx01.tophost.ch2015-06-06 → 2016-03-21 · 4 obs
● 2016-03-21 01:11:06
○ 2026-06-13 11:09:40
○ 2026-07-12 10:26:14
○MXmx02.tophost.ch2015-06-06 → 2016-03-21 · 4 obs
● 2016-03-21 01:11:06
○ 2026-06-13 11:09:40
○ 2026-07-12 10:26:14
○A193.33.128.2112015-06-06 → 2016-03-21 · 4 obs
● 2016-03-21 01:11:06
○ 2026-06-13 11:09:40
○ 2026-07-12 10:26:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | b.nic.ch, e.nic.ch, a.nic.ch, d.nic.ch... | - |
| biosys.ch | ns21.tophost.ch, ns22.tophost.ch | - |
✅ Authoritative Response
Server:193.33.129.221
NS records: ns21.tophost.ch, ns22.tophost.ch
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for biosys.ch (unsigned zone)
⏱️ Timing
Total: 1398ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
biosys.ch is served by two delegated name servers, ns21.tophost.ch and ns22.tophost.ch.
biosys.ch shares its name server setup with other domains, including belife.ch, karlen-consulting.ch, crimpers.at and two others.
biosys.ch shares at least some of its name servers with other domains, including zuppi.ch, immpuls-wohnbau.at, sempa.ch and two others.
These name servers are frequently paired with the name servers ns1.vericon.li and ns2.vericon.li.
Each of the two host names carries two IP addresses: ns21.tophost.ch points to 193.33.128.221 and 2a02:6201:c121:8080::dd:1, and ns22.tophost.ch points to 193.33.129.221 and 2a02:6201:c121:8080::81dd:1.