reznet.cz - robtex.com
reznet.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.websupport.cz ⭐ | ||||||
| A | 2a10:bbc0::11🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns1.websupport.eu | ||||||
| A | 45.10.97.11🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| PTR | ns1.websupport.eu | ||||||
| NS | ns2.websupport.cz | ||||||
| A | 2a02:250:3::12🇸🇪 ACTIVE24-AS2a02:250:3::/48 | ||||||
| PTR | ns2.websupport.eu | ||||||
| A | 185.71.159.12🇸🇪 ACTIVE24-AS185.71.159.0/24 | ||||||
| PTR | ns2.websupport.eu | ||||||
| NS | ns3.websupport.eu | ||||||
| A | 2a10:bbc0::13🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns3.websupport.eu | ||||||
| A | 45.10.97.13🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| PTR | ns3.websupport.eu | ||||||
| MX | reznet-cz.mail.protection.outlook.com ⭐ | ||||||
| TXT | MS=ms87647549 | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com -all | ||||||
| SOA | ns1.websupport.czadmin@websupport.cz serial=1693602869 | ||||||
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=1785401240 | ||||||
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
○NSalfa.ns.active24.cz2015-07-12 → 2017-02-04 · 4 obs
● 2017-02-04 18:52:12
○ 2026-06-13 10:04:18
○ 2026-07-30 09:29:36
○NSbeta.ns.active24.cz2015-07-12 → 2017-02-04 · 4 obs
● 2017-02-04 18:52:12
○ 2026-06-13 10:04:18
○ 2026-07-30 09:29:36
○NSgama.ns.active24.sk2015-07-12 → 2017-02-04 · 4 obs
● 2017-02-04 18:52:12
○ 2026-06-13 10:04:18
○ 2026-07-30 09:29:36
●NSns1.websupport.cz2026-06-13 → 2026-07-30 · 3 obs
● 2026-06-13 10:04:18
● 2026-07-30 09:29:36
●NSns2.websupport.cz2026-06-13 → 2026-07-30 · 3 obs
● 2026-06-13 10:04:18
● 2026-07-30 09:29:36
●NSns3.websupport.eu2026-06-13 → 2026-07-30 · 3 obs
● 2026-06-13 10:04:18
● 2026-07-30 09:29:36
●MXreznet-cz.mail.protection.outlook.com2026-06-13 → 2026-07-30 · 2 obs
● 2026-07-30 09:29:36
○A81.95.96.292015-07-12 → 2017-02-04 · 4 obs
● 2017-02-04 18:52:12
○ 2026-06-13 10:04:18
○ 2026-07-30 09:29:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| reznet.cz | ns3.websupport.eu, ns1.websupport.cz, ns2.websupport.cz | - |
✅ Authoritative Response
Server:45.10.97.13
NS records: ns3.websupport.eu, ns1.websupport.cz, ns2.websupport.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 911ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| MX | 1 | reznet-cz.mail.protection.outlook.com (p |
| TXT | 2 | MS=ms87647549, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
Name Servers
reznet.cz is delegated to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
reznet.cz shares at least some of its name servers with other domains, including kendy.cz, krausova604.cz, skola-petrov.cz and two others.
ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu each resolve to two IP addresses: ns1.websupport.cz resolves to 45.10.97.11 and 2a10:bbc0::11; ns2.websupport.cz resolves to 185.71.159.12 and 2a02:250:3::12; ns3.websupport.eu resolves to 45.10.97.13 and 2a10:bbc0::13.
Mail Servers
Mail for reznet.cz is handled by a single mail server, reznet-cz.mail.protection.outlook.com.