biosystemy.com - robtex.com
biosystemy.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a03:b780:1:1:216:3eff:fe00:51f🇨🇿 IGNUM-AS2a03:b780::/32 Webglobe s.r.o. H90 | ||||||
| PTR | h90-w1.hosting90.cz | ||||||
| A | 130.193.9.31🇨🇿 IGNUM-AS130.193.8.0/21 Webglobe s.r.o. H90 | ||||||
| NS | ns1.hosting90.cz ⭐ | ||||||
| A | 2a03:b780::1:1🇨🇿 IGNUM-AS2a03:b780::/32 Webglobe s.r.o. H90 | ||||||
| PTR | ns1.hosting90.cz | ||||||
| A | 130.193.8.82🇨🇿 IGNUM-AS130.193.8.0/21 Webglobe s.r.o. H90 | ||||||
| PTR | ns1.hosting90.cz | ||||||
| NS | ns2.hosting90.cz | ||||||
| A | 2001:880:0:15::10c🇩🇪 ONE-NETWORK2001:880::/32 | ||||||
| PTR | ns2.hosting90.cz | ||||||
| A | 185.102.21.207🇨🇿 ONE-NETWORK185.102.21.0/24 | ||||||
| PTR | ns2.hosting90.cz | ||||||
| NS | ns3.hosting90.net | ||||||
| A | 2604:a880:800:10::696:f001🇺🇸 DIGITALOCEAN2604:a880:800::/48 DigitalOcean | ||||||
| PTR | ns3.hosting90.net | ||||||
| A | 104.236.202.83🇺🇸 DIGITALOCEAN104.236.192.0/18 DigitalOcean | ||||||
| PTR | ns3.hosting90.net | ||||||
| SOA | ns1.hosting90.czadmin@hosting90.cz 2018-10-25 #1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774422097 | ||||||
Same first word
biosystemy.com |
biosystemy.eu |
biosystemy.cz |
DNS History
5 records (5 active, 0 former)
●NSns1.hosting90.cz2015-08-22 → 2026-03-25 · 2 obs
● 2026-03-25 07:28:06
●NSns2.hosting90.cz2015-08-22 → 2026-03-25 · 2 obs
● 2026-03-25 07:28:06
●NSns3.hosting90.net2015-08-22 → 2026-03-25 · 2 obs
● 2026-03-25 07:28:06
●A130.193.9.312015-08-22 → 2026-03-25 · 2 obs
● 2026-03-25 07:28:06
●A2a03:b780:1:1:216:3eff:fe00:51f2015-08-22 → 2026-03-25 · 2 obs
● 2026-03-25 07:28:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net... | - |
| biosystemy.com | ns1.hosting90.cz, ns2.hosting90.cz, ns3.hosting90.net | - |
✅ Authoritative Response
Server:130.193.8.82
NS records: ns1.hosting90.cz, ns2.hosting90.cz, ns3.hosting90.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for biosystemy.com (unsigned zone)
⏱️ Timing
Total: 998ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 130.193.9.31 |
| AAAA | 1 | 2a03:b780:1:1:216:3eff:fe00:51f |
| NS | 3 | ns1.hosting90.cz, ns2.hosting90.cz... |
| SOA | 1 | ns1.hosting90.cz admin.hosting90.cz |
Analysis
IP Addresses
biosystemy.com resolves to two IPs: 2a03:b780:1:1:216:3eff:fe00:51f and 130.193.9.31.
other host names for instance dsjenstejn.cz, auto-olomouc.cz, bmwinfo.cz, cpeng.cz and autohvezdy.cz share IP numbers with biosystemy.com.
Name Servers
biosystemy.com is delegated to three name servers: ns1.hosting90.cz, ns2.hosting90.cz and ns3.hosting90.net.
biosystemy.com at least partially shares name servers with other domains, for instance meonice.com, gazdagroup.eu, taktq.com, chirurgiacenter.cz and tafabrika.cz.
These name servers are commonly used with ns1.hostingzdarma.cz, ns2.hostingzdarma.cz and ns3.hosting-zdarma.net.
Host names with two IP numbers:
Host ns1.hosting90.cz points to 2a03:b780::1:1 and 130.193.8.82.
Host ns2.hosting90.cz points to 2001:880:0:15::10c and 185.102.21.207.
Host ns3.hosting90.net points to 2604:a880:800:10::696:f001 and 104.236.202.83.