archc.cz - robtex.com
archc.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=1774468036 | ||||||
Subdomains
www.archc.cz |
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.bdm.microsoftonline.com2015-07-08 → 2026-03-25 · 2 obs
● 2026-03-25 20:44:04
●NSns2.bdm.microsoftonline.com2015-07-08 → 2026-03-25 · 2 obs
● 2026-03-25 20:44:04
●NSns3.bdm.microsoftonline.com2015-07-08 → 2026-03-25 · 2 obs
● 2026-03-25 20:44:04
●NSns4.bdm.microsoftonline.com2015-07-08 → 2026-03-25 · 2 obs
● 2026-03-25 20:44:04
●MXarchc-cz.mail.protection.outlook.com2015-07-08 → 2026-03-25 · 2 obs
● 2026-03-25 20:44:04
●A89.22.67.2402015-07-08 → 2026-03-25 · 2 obs
● 2026-03-25 20:44:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| archc.cz | ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com | - |
✅ Authoritative Response
Server:208.84.5.208
NS records: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for archc.cz (unsigned zone)
⏱️ Timing
Total: 918ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.22.67.240 |
| NS | 4 | ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com... |
| MX | 1 | archc-cz.mail.protection.outlook.com (pr |
| TXT | 2 | mscid=Y+UZj0tTeuMU6CaxABd6f4Miya+3PoovP+, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1.bdm.microsoftonline.com azuredns-hos |
Analysis
Hierarchy
archc.cz is the parent of www.archc.cz.
IP Addresses
archc.cz resolves to a single IP: 89.22.67.240.
Name Servers
archc.cz is delegated to four name servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.
archc.cz shares some name servers with other domains, for example iasp.info, shokry.sa, kramar.info, lakpura.de and manam.com.au.
Host names with two IP numbers
Two IPs per host:
ns1.bdm.microsoftonline.com points to 2603:1061:0:700::d0 and 13.107.236.208
ns2.bdm.microsoftonline.com points to 2620:1ec:8ec:700::d0 and 150.171.21.208
ns3.bdm.microsoftonline.com points to 2a01:111:4000:700::d0 and 204.14.183.208
ns4.bdm.microsoftonline.com points to 2620:1ec:bda:700::d0 and 208.84.5.208
Mail Servers
archc.cz is handled by a single mail server, archc-cz.mail.protection.outlook.com.
Host archc-cz.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::, 2a01:111:f403:ca04::10, 2a01:111:f403:ca09::6, 2a01:111:f403:ca09::b, 52.101.68.5, 52.101.68.10, 52.101.68.36 and 52.101.73.11.