sbdm.cz - robtex.com
sbdm.cz
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=1778566659 | ||||||
Subdomains
mail.sbdm.cz |
Same first word
Similar names
DNS History
6 records (3 active, 3 former)
○MXmail.sbdm.cz2015-08-14 → 2017-09-05 · 4 obs
● 2017-09-05 20:45:08
○ 2026-05-08 10:47:50
○ 2026-05-12 06:55:14
●MXsbdm-cz.mail.protection.outlook.com2026-05-08 → 2026-05-12 · 3 obs
● 2026-05-08 10:47:50
● 2026-05-12 06:55:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz | - |
| sbdm.cz | ns.grdns.cz, ns.grdns.it | 2 records |
✅ Authoritative Response
Server:95.110.254.167
NS records: ns.grdns.cz, ns.grdns.it
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1292ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns.grdns.cz, ns.grdns.it |
| MX | 1 | sbdm-cz.mail.protection.outlook.com (pri |
| TXT | 2 | MS=ms55850202, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns.grdns.cz admin.grdns.cz |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.grdns.cz, ns.grdns.cz)
Analysis
Hierarchy
sbdm.cz is parent of mail.sbdm.cz.
Name Servers
sbdm.cz's delegation is to two name servers ns.grdns.cz and ns.grdns.it.
sbdm.cz shares the same name server configuration as other domains, such as ozdobacz.cz, unicus.cz, zamek-cerveny-hradek.cz, radosti.cz and vydos.eu.
sbdm.cz shares name servers with other domains at least partially, for example mojmirovce.sk.
Host names with two IP numbers: ns.grdns.cz points to 2001:15e8:101:1::c268 and 81.2.194.104; ns.grdns.it points to 2a00:6d41:2:1::7 and 95.110.254.167
Mail Servers
sbdm.cz is served by a single mail server, sbdm-cz.mail.protection.outlook.com.
The host name sbdm-cz.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:ca04::a, 2a01:111:f403:ca04::d, 2a01:111:f403:ca09::2, 2a01:111:f403:ca09::8, 52.101.68.10, 52.101.73.11, 52.101.73.15 and 52.101.73.16.