aptusa.cz - robtex.com
aptusa.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=1786268839 | ||||||
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSns.forpsi.net2015-06-25 → 2026-08-09 · 2 obs
● 2026-08-09 10:13:50
●MXaptusa-cz.mail.protection.outlook.com2026-05-01 → 2026-08-09 · 3 obs
● 2026-05-01 10:52:08
● 2026-08-09 10:13:50
○MXaptusa.cz.bak-mx.eu0105.smtpbak.com2015-06-25 → 2017-05-15 · 4 obs
● 2017-05-15 09:44:58
○ 2026-05-01 10:52:08
○ 2026-08-09 10:13:50
○MXaptusa.cz.pri-mx.eu0105.smtproutes.com2015-06-25 → 2017-05-15 · 4 obs
● 2017-05-15 09:44:58
○ 2026-05-01 10:52:08
○ 2026-08-09 10:13:50
●A217.61.3.932026-05-01 → 2026-08-09 · 3 obs
● 2026-05-01 10:52:08
● 2026-08-09 10:13:50
○A81.2.195.732015-06-25 → 2017-05-15 · 4 obs
● 2017-05-15 09:44:58
○ 2026-05-01 10:52:08
○ 2026-08-09 10:13:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | b.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz | - |
| aptusa.cz | ns.forpsi.cz, ns.forpsi.it, ns.forpsi.net | 2 records |
✅ Authoritative Response
Server:81.2.194.130
NS records: ns.forpsi.cz, ns.forpsi.it, ns.forpsi.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1346ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.61.3.93 |
| NS | 3 | ns.forpsi.cz, ns.forpsi.it... |
| MX | 1 | aptusa-cz.mail.protection.outlook.com (p |
| TXT | 2 | MS=ms13526676, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns.forpsi.net admin.forpsi.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.forpsi.cz, ns.forpsi.cz)
Analysis
IP Addresses
aptusa.cz directs to one IP number, which is 217.61.3.93.
Further host names like animalcare.cz and sutorzona.com overlap in IP numbers with aptusa.cz.
Name Servers
DNS for aptusa.cz is handled by three authoritative name servers: ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.
There is at least partial name server overlap between aptusa.cz and other domains — smaragdsziget.hu, letworks.net, nasli.sk and two more among them.
These name servers are routinely deployed together with the name servers ns.forpsi.us.
Three hostnames — ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net — each have two IP addresses: ns.forpsi.cz has 81.2.209.185 and 2001:15e8:201:1::d1b9, ns.forpsi.it has 95.110.254.165 and 2a00:6d41:2:1::5, and ns.forpsi.net has 81.2.194.130 and 2001:15e8:101:1::c282.
Mail Servers
aptusa.cz routes its mail through a single mail server, aptusa-cz.mail.protection.outlook.com.
aptusa-cz.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.68.0, 52.101.68.3 and 52.101.68.36, along with 5 other.