webdata.cz - dns.ninja
webdata.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.ignum.com ⭐ | ||||||
| A | 2a00:1e40:a:53::5🇸🇰 IGNUM-AS2a00:1e40:a::/48 | ||||||
| PTR | ns1-bra.core.webglobe.com | ||||||
| A | 185.65.223.35🇸🇰 IGNUM-AS185.65.223.0/24 | ||||||
| PTR | ns1-bra.core.webglobe.com | ||||||
| NS | ns2.ignum.cz | ||||||
| A | 2001:1ab0:7e1e:2::5🇨🇿 IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/ | ||||||
| PTR | ns2-prg.core.webglobe.com | ||||||
| A | 217.31.48.201🇨🇿 IGNUM-AS217.31.48.0/20 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/ | ||||||
| PTR | ns2-prg.core.webglobe.com | ||||||
| MX | 4c7905a572524de8.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 | 4c7905a572524de8.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 ~all | ||||||
| SOA | ns1.ignum.comhostmaster@ignum.cz 2026-07-25 #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=1785203240 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
●MX4c7905a572524de8.mx1.emailprofi.seznam.cz2026-03-05 → 2026-07-28 · 3 obs
● 2026-03-05 07:56:30
● 2026-07-28 02:18:14
●MX4c7905a572524de8.mx2.emailprofi.seznam.cz2026-03-05 → 2026-07-28 · 3 obs
● 2026-03-05 07:56:30
● 2026-07-28 02:18:14
○MXmx.hq.cz2015-08-03 → 2016-12-19 · 4 obs
● 2016-12-19 17:29:04
○ 2026-03-05 07:56:30
○ 2026-07-28 02:18:14
○MXns.webtech.cz2015-08-03 → 2016-12-19 · 4 obs
● 2016-12-19 17:29:04
○ 2026-03-05 07:56:30
○ 2026-07-28 02:18:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| webdata.cz | ns1.ignum.com, ns2.ignum.cz | 2 records |
✅ Authoritative Response
Server:217.31.48.201
NS records: ns1.ignum.com, ns2.ignum.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1533ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.ignum.com, ns2.ignum.cz |
| MX | 2 | 4c7905a572524de8.mx1.emailprofi.seznam.c, 4c7905a572524de8.mx2.emailprofi.seznam.c |
| TXT | 1 | v=spf1 include:spf.seznam.cz ~all |
| SOA | 1 | ns1.ignum.com hostmaster.ignum.cz |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.ignum.cz, ns2.ignum.cz)
Analysis
Hierarchy
webdata.cz has four subdomains: ns.webdata.cz, posta.webdata.cz, www.webdata.cz and mail.webdata.cz.
Name Servers
webdata.cz uses two name servers for its delegation: ns1.ignum.com and ns2.ignum.cz.
The name server configuration of webdata.cz is shared with other domains, for instance sprava-dokumentu.eu, kppa.cz, oskarhahn.cz and two others.
There is at least partial name server overlap between webdata.cz and other domains — in-vitro.cz, nobo.cz, diskobol.cz and two more among them.
The name servers ns1.ignum.eu, ns2.ignum.eu and ns3.ignum.eu are often found in combination with these name servers.
The two host names ns1.ignum.com and ns2.ignum.cz each have a pair of IP addresses: ns1.ignum.com has 185.65.223.35 and 2a00:1e40:a:53::5, and ns2.ignum.cz has 217.31.48.201 and 2001:1ab0:7e1e:2::5.
Mail Servers
webdata.cz uses two mail servers, 4c7905a572524de8.mx1.emailprofi.seznam.cz and 4c7905a572524de8.mx2.emailprofi.seznam.cz.
The two host names 4c7905a572524de8.mx1.emailprofi.seznam.cz and 4c7905a572524de8.mx2.emailprofi.seznam.cz each have a pair of IP addresses: 4c7905a572524de8.mx1.emailprofi.seznam.cz has 77.75.77.56 and 2a02:598:2::1056, and 4c7905a572524de8.mx2.emailprofi.seznam.cz has 77.75.77.146 and 2a02:598:2::1146.