refiu.cz - robtex.com
refiu.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a03:b780:1:1:216:3eff:fe00:e1e🇨🇿 IGNUM-AS2a03:b780::/32 Webglobe s.r.o. H90 | ||||||
| PTR | h90-w12.hosting90.cz | ||||||
| A | 37.46.82.94🇨🇿 IGNUM-AS37.46.80.0/21 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 | ||||||
| MX | antispam.hosting90.cz ⭐ | ||||||
| A | 2a03:b780:1:1:216:3eff:fe00:52f🇨🇿 IGNUM-AS2a03:b780::/32 Webglobe s.r.o. H90 | ||||||
| PTR | antispam.hosting90.cz | ||||||
| A | 130.193.9.47🇨🇿 IGNUM-AS130.193.8.0/21 Webglobe s.r.o. H90 | ||||||
| PTR | antispam.hosting90.cz | ||||||
| TXT | v=spf1 redirect=_spf.hosting90.cz | ||||||
| SOA | ns1.hosting90.czadmin@hosting90.cz 2026-08-08 #3 | ||||||
cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.ns.nic.cz ⭐ | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1786439841 | ||||||
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NSns1.hosting90.cz2018-05-17 → 2026-08-11 · 2 obs
● 2026-08-11 09:35:06
●NSns2.hosting90.cz2018-05-17 → 2026-08-11 · 2 obs
● 2026-08-11 09:35:06
●NSns3.hosting90.net2018-05-17 → 2026-08-11 · 2 obs
● 2026-08-11 09:35:06
●MXantispam.hosting90.cz2018-05-17 → 2026-08-11 · 3 obs
○ 2026-07-21 12:23:30
● 2026-08-11 09:35:06
○A2a02:2b88:2:1::3bfd:12018-05-17 → 2018-05-17 · 3 obs
○ 2026-04-15 04:48:10
○ 2026-08-11 09:35:06
●A2a03:b780:1:1:216:3eff:fe00:e1e2026-04-15 → 2026-08-11 · 4 obs
● 2026-04-15 04:48:10
○ 2026-07-21 12:23:30
● 2026-08-11 09:35:06
●A37.46.82.942026-04-15 → 2026-08-11 · 4 obs
● 2026-04-15 04:48:10
○ 2026-07-21 12:23:30
● 2026-08-11 09:35:06
○A46.28.109.592018-05-17 → 2018-05-17 · 3 obs
○ 2026-04-15 04:48:10
○ 2026-08-11 09:35:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, d.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz | - |
| refiu.cz | ns2.hosting90.cz, ns1.hosting90.cz, ns3.hosting90.net | - |
✅ Authoritative Response
Server:104.236.202.83
NS records: ns2.hosting90.cz, ns1.hosting90.cz, ns3.hosting90.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1142ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.46.82.94 |
| AAAA | 1 | 2a03:b780:1:1:216:3eff:fe00:e1e |
| NS | 3 | ns3.hosting90.net, ns1.hosting90.cz... |
| MX | 1 | antispam.hosting90.cz (pri: 10) |
| TXT | 1 | v=spf1 redirect=_spf.hosting90.cz |
| SOA | 1 | ns1.hosting90.cz admin.hosting90.cz |
Analysis
IP Addresses
refiu.cz has two IP addresses: 37.46.82.94 and 2a03:b780:1:1:216:3eff:fe00:e1e
Additional host names — levanda.cz, loma-soft.cz, vyvoj-software.cz and two others — share IP numbers with refiu.cz.
Name Servers
refiu.cz is delegated to three name servers: ns1.hosting90.cz, ns2.hosting90.cz and ns3.hosting90.net.
At least some of refiu.cz's name servers are shared with other domains, for example ostravska-autoskola.cz, disharmonie.cz, urbs.cz and two more.
It is common for these name servers to be used in conjunction with the name servers ns1.hostingzdarma.cz, ns2.hostingzdarma.cz and ns3.hosting-zdarma.net.
ns1.hosting90.cz, ns2.hosting90.cz and ns3.hosting90.net each resolve to two IP addresses: ns1.hosting90.cz resolves to 130.193.8.82 and 2a03:b780::1:1; ns2.hosting90.cz resolves to 185.102.21.207 and 2001:880:0:15::10c; ns3.hosting90.net resolves to 104.236.202.83 and 2604:a880:800:10::696:f001.
Mail Servers
refiu.cz has one mail server: antispam.hosting90.cz.
refiu.cz shares the same mail server setup as other domains, including vodovodnibaterie.eu, spartex.cz, infomedia.cz and two others.
refiu.cz shares mail servers — at least in part — with other domains, including pneufloryk.cz, technoing.cz, auctum.cz and two others.
antispam.hosting90.cz directs to two IP numbers, 130.193.9.47 and 2a03:b780:1:1:216:3eff:fe00:52f.