dfbn.cz - robtex.com
dfbn.cz
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=1785932240 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSdns.nethost.cz2015-08-22 → 2026-08-05 · 2 obs
● 2026-08-05 13:04:14
●NSsns.nethost.sk2015-08-22 → 2026-08-05 · 2 obs
● 2026-08-05 13:04:14
●NStns.nethost.eu2026-04-14 → 2026-08-05 · 3 obs
● 2026-04-14 01:20:56
● 2026-08-05 13:04:14
●MXmail-2.nethost.cz2015-08-22 → 2026-08-05 · 2 obs
● 2026-08-05 13:04:14
●MXmail-relay-1.nethost.cz2015-08-22 → 2026-08-05 · 2 obs
● 2026-08-05 13:04:14
●A109.123.210.572015-08-22 → 2026-08-05 · 2 obs
● 2026-08-05 13:04:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | 8 records |
| dfbn.cz | dns.nethost.cz, sns.nethost.sk, tns.nethost.eu | 2 records |
✅ Authoritative Response
Server:85.132.152.123
NS records: dns.nethost.cz, sns.nethost.sk, tns.nethost.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dfbn.cz (unsigned zone)
⏱️ Timing
Total: 2465ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 109.123.210.57 |
| NS | 2 | dns.nethost.cz, sns.nethost.sk |
| MX | 2 | mail-2.nethost.cz (pri: 10), mail-relay-1.nethost.cz (pri: 20) |
| SOA | 1 | dns.nethost.cz hostmaster.nethost.cz |
📌 Glue Records Collected
Total: 10
In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz...)
Out-of-bailiwick: 2 (dns.nethost.cz, dns.nethost.cz)
Analysis
IP Addresses
dfbn.cz directs to one IP number, which is 109.123.210.57.
Among the host names that share IP numbers with dfbn.cz are viwefix.net, levnyhosting.cz, nlooud.eu and two others.
Name Servers
DNS for dfbn.cz is handled by three authoritative name servers: dns.nethost.cz, tns.nethost.eu and sns.nethost.sk.
There is at least partial name server overlap between dfbn.cz and other domains — dogy.eu, sberokov.cz, alpec.cz and two more among them.
These name servers regularly appear alongside sns.nethost.cz, dns.levny-hosting.cz, sns.levny-hosting.cz and 3 other name servers in NS record sets.
Three hostnames — dns.nethost.cz, tns.nethost.eu and sns.nethost.sk — each have two IP addresses: dns.nethost.cz has 81.0.235.1 and 2001:1528:132::60, tns.nethost.eu has 85.132.152.123 and 2a02:e98:20:1600::e0, and sns.nethost.sk has 93.185.100.244 and 2a00:1ed0:46:200::1212:247.
Mail Servers
The MX records for dfbn.cz point to two mail servers: mail-2.nethost.cz and mail-relay-1.nethost.cz.
dfbn.cz has the same mail server arrangement as a number of other domains, for example nfem.cz, sagner.cz, m-beta.cz and two more.
dfbn.cz shares at least some of its mail servers with other domains — for example vaillantgroup.net, dentistmax.de, slowtravel.cz and two more.
These mail servers are routinely found in combination with the mail servers mail-1.hostime.cz, mail-1.nethost.cz and jupiter.mediahost.sk.
mail-2.nethost.cz directs to 82.208.7.6 and 82.208.7.7. mail-relay-1.nethost.cz directs to 93.185.100.244 and 2a00:1ed0:46:200::1212:247. Each host name carries two IP addresses.