farha.cz - robtex.com
farha.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.91.84.138🇨🇿 WEB4U81.91.80.0/21 | ||||||
| NS | ns2.web4u.cz ⭐ | ||||||
| A | 2a02:a40:100:28ff::12🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s. | ||||||
| PTR | ns2.web4u.cz | ||||||
| A | 85.207.53.12🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block | ||||||
| PTR | ns2.web4u.cz | ||||||
| NS | ns.web4u.cz | ||||||
| A | 2001:1568:fd::241🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | ns.web4u.cz | ||||||
| A | 185.14.224.241🇨🇿 WEB4U185.14.224.0/23 | ||||||
| PTR | ns.web4u.cz | ||||||
| MX | mail.farha.cz ⭐ | ||||||
| A | 81.91.85.70🇨🇿 WEB4U81.91.80.0/21 | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2007-02-15 #1 | ||||||
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=1784395041 | ||||||
Subdomains
mail.farha.cz |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●MXmail.farha.cz2015-07-18 → 2026-07-18 · 2 obs
● 2026-07-18 18:03:56
●A81.91.84.1382015-07-18 → 2026-07-18 · 2 obs
● 2026-07-18 18:03:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | 8 records |
| farha.cz | ns.web4u.cz, ns2.web4u.cz | 4 records |
✅ Authoritative Response
Server:185.14.224.241
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for farha.cz (unsigned zone)
⏱️ Timing
Total: 836ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.84.138 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 1 | mail.farha.cz (pri: 10) |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
📌 Glue Records Collected
Total: 12
In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz...)
Out-of-bailiwick: 4 (ns.web4u.cz, ns.web4u.cz, ns2.web4u.cz...)
Analysis
Hierarchy
mail.farha.cz is a subdomain of farha.cz.
IP Addresses
farha.cz points to a single IP number: 81.91.84.138.
Additional host names — pery.cz, neor.wa.cz, nejlevnejsiizolace.cz and two others — share IP numbers with farha.cz.
Name Servers
farha.cz uses two name servers for its delegation: ns2.web4u.cz and ns.web4u.cz.
farha.cz shares its name server setup with other domains, including lysice.com, jadrove-vrtani-fispo.cz, oblecse(0x736578)y.cz and two others.
The two host names ns2.web4u.cz and ns.web4u.cz each have a pair of IP addresses: ns2.web4u.cz has 85.207.53.12 and 2a02:a40:100:28ff::12, and ns.web4u.cz has 185.14.224.241 and 2001:1568:fd::241.
Mail Servers
farha.cz has one mail server: mail.farha.cz.
mail.farha.cz directs to just one IP number, 81.91.85.70.