zelinet.cz - dns.ninja
zelinet.cz
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.zelinet.cz ⭐ | ||||||
| A | 85.163.65.100🇨🇿 CETIN-AS85.163.0.0/16 CETIN | ||||||
| PTR | ns1.zelinet.cz | ||||||
| NS | ns2.zelinet.cz | ||||||
| A | 188.120.208.150🇨🇿 IP4ISP188.120.192.0/19 z.s.p.o. network route | ||||||
| MX | 3c1a4e18cac1aceb.mx2.emailprofi.seznam.cz ⭐ | ||||||
| A | 2a02:598:2::1146🇨🇿 SEZNAM-CZ2a02:598:2::/48 | ||||||
| PTR | wildcard.mx2.emailprofi.seznam.cz | ||||||
| A | 77.75.77.146🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III | ||||||
| PTR | wildcard.mx2.emailprofi.seznam.cz | ||||||
| MX | 3c1a4e18cac1aceb.mx1.emailprofi.seznam.cz(20) | ||||||
| A | 2a02:598:2::1056🇨🇿 SEZNAM-CZ2a02:598:2::/48 | ||||||
| PTR | wildcard.mx1.emailprofi.seznam.cz | ||||||
| A | 77.75.77.56🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III | ||||||
| PTR | wildcard.mx1.emailprofi.seznam.cz | ||||||
| TXT | v=spf1 ip4:85.163.65.99 include:spf.seznam.cz include:_spf.google.com ~all | ||||||
| TXT | google-site-verification=74icrH3FOcfOHRPZen08OYl9198CjG8rN-kGac220KU | ||||||
| SOA | ns1.zelinet.czzelinet@email.cz 2026-06-15 #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=1785176240 | ||||||
Subdomains
gate12.zelinet.cz |
gate11.zelinet.cz |
zserver.zelinet.cz |
ns2.zelinet.cz |
ns1.zelinet.cz |
smtp.zelinet.cz |
ratajenet129.zelinet.cz |
Same first word
zelinet.cz |
Similar names
DNS History
5 records (4 active, 1 former)
●NSns1.zelinet.cz2015-08-09 → 2026-07-27 · 2 obs
● 2026-07-27 18:30:00
●NSns2.zelinet.cz2015-08-09 → 2026-07-27 · 2 obs
● 2026-07-27 18:30:00
●MX3c1a4e18cac1aceb.mx1.emailprofi.seznam.cz2026-02-15 → 2026-07-27 · 3 obs
● 2026-02-15 21:26:30
● 2026-07-27 18:30:00
●MX3c1a4e18cac1aceb.mx2.emailprofi.seznam.cz2026-02-15 → 2026-07-27 · 3 obs
● 2026-02-15 21:26:30
● 2026-07-27 18:30:00
○MXzserver.zelinet.cz2015-08-09 → 2017-03-29 · 4 obs
● 2017-03-29 05:51:48
○ 2026-02-15 21:26:30
○ 2026-07-27 18:30:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz | - |
| zelinet.cz | ns1.zelinet.cz, ns2.zelinet.cz | 2 records |
✅ Authoritative Response
Server:85.163.65.100
NS records: ns1.zelinet.cz, ns2.zelinet.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zelinet.cz (unsigned zone)
⏱️ Timing
Total: 3587ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.zelinet.cz, ns2.zelinet.cz |
| MX | 2 | 3c1a4e18cac1aceb.mx2.emailprofi.seznam.c, 3c1a4e18cac1aceb.mx1.emailprofi.seznam.c |
| TXT | 2 | google-site-verification=74icrH3FOcfOHRP, v=spf1 ip4:85.163.65.99 include:spf.sezn |
| SOA | 1 | ns1.zelinet.cz zelinet.email.cz |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.zelinet.cz, ns2.zelinet.cz)
Analysis
Hierarchy
gate12.zelinet.cz, gate11.zelinet.cz, zserver.zelinet.cz, ns2.zelinet.cz, ns1.zelinet.cz and a few other host names are all children of zelinet.cz.
Name Servers
The NS records for zelinet.cz delegate to ns1.zelinet.cz and ns2.zelinet.cz.
zelinet.cz shares the same authoritative DNS setup with other domains, including 208.120.188.in-addr.arpa and 65.163.85.in-addr.arpa.
Both ns1.zelinet.cz and ns2.zelinet.cz have a single IP address each — ns1.zelinet.cz resolves to 85.163.65.100 while ns2.zelinet.cz resolves to 188.120.208.150.
Mail Servers
zelinet.cz has two mail servers: 3c1a4e18cac1aceb.mx1.emailprofi.seznam.cz and 3c1a4e18cac1aceb.mx2.emailprofi.seznam.cz.
3c1a4e18cac1aceb.mx1.emailprofi.seznam.cz resolves to 77.75.77.56 and 2a02:598:2::1056. Likewise, 3c1a4e18cac1aceb.mx2.emailprofi.seznam.cz resolves to 77.75.77.146 and 2a02:598:2::1146 — two IP addresses apiece.