kuzelky.com - robtex.com
kuzelky.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.91.85.18🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | d134.server4u.cz | ||||||
| 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 | ad4e6b0ee010b6ee.mx1.emailprofi.seznam.cz ⭐ | ||||||
| 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 | ||||||
| MX | ad4e6b0ee010b6ee.mx2.emailprofi.seznam.cz(20) | ||||||
| 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 | ||||||
| TXT | v=spf1 include:spf.seznam.cz ip4:81.91.85.18 ip6:2a02:598:128:8a00::1000:925 ... | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2026-05-01 #9 | ||||||
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=1778544541 | ||||||
Subdomains
Same first word
DNS History
6 records (5 active, 1 former)
●MXad4e6b0ee010b6ee.mx1.emailprofi.seznam.cz2026-05-08 → 2026-05-12 · 3 obs
● 2026-05-08 15:34:42
● 2026-05-12 00:23:30
●MXad4e6b0ee010b6ee.mx2.emailprofi.seznam.cz2026-05-08 → 2026-05-12 · 3 obs
● 2026-05-08 15:34:42
● 2026-05-12 00:23:30
○MXmail.kuzelky.com2015-07-10 → 2017-12-27 · 4 obs
● 2017-12-27 02:17:28
○ 2026-05-08 15:34:42
○ 2026-05-12 00:23:30
●A81.91.85.182015-07-10 → 2026-05-12 · 2 obs
● 2026-05-12 00:23:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net... | - |
| kuzelky.com | ns.web4u.cz, ns2.web4u.cz | - |
✅ Authoritative Response
Server:185.14.224.241
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kuzelky.com (unsigned zone)
⏱️ Timing
Total: 3905ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.85.18 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 2 | ad4e6b0ee010b6ee.mx1.emailprofi.seznam.c, ad4e6b0ee010b6ee.mx2.emailprofi.seznam.c |
| TXT | 1 | v=spf1 include:spf.seznam.cz ip4:81.91.8 |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
Analysis
Hierarchy
kuzelky.com is a parent of online.kuzelky.com, makl.kuzelky.com, www.kuzelky.com and kotle.kuzelky.com.
IP Addresses
kuzelky.com points to a single IP number: 81.91.85.18.
other host names for instance makl.kuzelky.com, poi.cz, vs1193.server4u.cz, www.kuzelky.com and kotle.kuzelky.com share IP numbers with kuzelky.com.
Name Servers
kuzelky.com is delegated to two name servers: ns2.web4u.cz and ns.web4u.cz.
kuzelky.com shares the same name server setup as other domains, for example modelarna-liaz.cz, flexikurz.cz, filateliesova.cz, imonitoring.cz and uvminteractive.com.
Host names with two IP numbers:
ns2.web4u.cz points to 2a02:a40:100:28ff::12 and 85.207.53.12
ns.web4u.cz points to 2001:1568:fd::241 and 185.14.224.241
Mail Servers
kuzelky.com is handled by two mail servers: ad4e6b0ee010b6ee.mx1.emailprofi.seznam.cz and ad4e6b0ee010b6ee.mx2.emailprofi.seznam.cz.
Host names with two IP numbers:
ad4e6b0ee010b6ee.mx1.emailprofi.seznam.cz points to 2a02:598:2::1056 and 77.75.77.56
ad4e6b0ee010b6ee.mx2.emailprofi.seznam.cz points to 2a02:598:2::1146 and 77.75.77.146