sedlar.cz - robtex.com
sedlar.cz
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns2.nwt.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 | ||||||
| NS | ns.nwt.cz | ||||||
| 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 | ||||||
| MX | n2-mx1.ignum.eu ⭐ | ||||||
| A | 62.109.128.119🇨🇿 IGNUM-AS62.109.128.0/19 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/ | ||||||
| PTR | mx-lb.core.webglobe.com | ||||||
| MX | n2-mx2.ignum.eu ⭐ | ||||||
| A | 185.102.21.66🇨🇿 ONE-NETWORK185.102.21.0/24 | ||||||
| PTR | mx-lb-bra.core.webglobe.com | ||||||
| MX | n2-mx3.ignum.eu ⭐ | ||||||
| A | 185.102.21.66🇨🇿 ONE-NETWORK185.102.21.0/24 | ||||||
| PTR | mx-lb-bra.core.webglobe.com | ||||||
| MX | n2-mx4.ignum.eu ⭐ | ||||||
| A | 62.109.128.119🇨🇿 IGNUM-AS62.109.128.0/19 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/ | ||||||
| PTR | mx-lb.core.webglobe.com | ||||||
| TXT | v=spf1 include:_spf.ignum.eu -all | ||||||
| SOA | ns.nwt.czjv@nwt.cz 2024-02-05 #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=1784004441 | ||||||
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●MXn2-mx1.ignum.eu2026-06-13 → 2026-07-14 · 3 obs
● 2026-06-13 07:42:56
● 2026-07-14 05:07:38
●MXn2-mx2.ignum.eu2026-06-13 → 2026-07-14 · 3 obs
● 2026-06-13 07:42:56
● 2026-07-14 05:07:38
●MXn2-mx3.ignum.eu2026-06-13 → 2026-07-14 · 3 obs
● 2026-06-13 07:42:56
● 2026-07-14 05:07:38
●MXn2-mx4.ignum.eu2026-06-13 → 2026-07-14 · 3 obs
● 2026-06-13 07:42:56
● 2026-07-14 05:07:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| sedlar.cz | ns.nwt.cz, ns2.nwt.cz | - |
✅ Authoritative Response
Server:185.65.223.35
NS records: ns.nwt.cz, ns2.nwt.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sedlar.cz (unsigned zone)
⏱️ Timing
Total: 1325ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns.nwt.cz, ns2.nwt.cz |
| MX | 4 | n2-mx1.ignum.eu (pri: 10), n2-mx2.ignum.eu (pri: 10)... |
| TXT | 1 | v=spf1 include:_spf.ignum.eu -all |
| SOA | 1 | ns.nwt.cz jv.nwt.cz |
Analysis
Name Servers
sedlar.cz has two authoritative name servers — ns2.nwt.cz and ns.nwt.cz.
The name server configuration of sedlar.cz is shared with other domains, for instance studentskeslevy.cz, elga.cz, lipnik.cz and two others.
sedlar.cz partially shares its NS delegation with several other domains, including sle.cz, hhauto.cz, nwtsolar.cz and two others.
These name servers are regularly seen alongside ns2.ignum.cz and ns1.ignum.com as name servers.
Both ns2.nwt.cz and ns.nwt.cz have two IP addresses each. ns2.nwt.cz resolves to 217.31.48.201 and 2001:1ab0:7e1e:2::5; ns.nwt.cz resolves to 185.65.223.35 and 2a00:1e40:a:53::5.
Mail Servers
sedlar.cz has four mail servers: n2-mx1.ignum.eu, n2-mx2.ignum.eu, n2-mx3.ignum.eu and n2-mx4.ignum.eu.
At least some of the mail servers used by sedlar.cz are shared with other domains: bezmerov.net, sil-sw.cz, plavebni.cz and two others among them.
Each of n2-mx1.ignum.eu, n2-mx2.ignum.eu, n2-mx3.ignum.eu and n2-mx4.ignum.eu has one IP address. n2-mx1.ignum.eu → 62.109.128.119, n2-mx2.ignum.eu → 185.102.21.66, n2-mx3.ignum.eu → 185.102.21.66, n2-mx4.ignum.eu → 62.109.128.119.
The host names n2-mx1.ignum.eu and n2-mx4.ignum.eu both resolve to 62.109.128.119 IP addresses.
The host names n2-mx2.ignum.eu and n2-mx3.ignum.eu both resolve to 185.102.21.66 IP addresses.