unity.cz - robtex.com
unity.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.145.160.74🇨🇿 MASTER-AS185.145.160.0/22 CZ-ETNETERA-20160401 | ||||||
| PTR | 185-145-160-74.static.mit.etn.cz | ||||||
| NS | dns.iol.cz ⭐ | ||||||
| A | 2a00:1028:100:102::61🇨🇿 O2-CZECH-REPUBLIC2a00:1028::/32 O2 CZ | ||||||
| PTR | dns.iol.cz | ||||||
| A | 194.228.2.61🇨🇿 O2-CZECH-REPUBLIC194.228.0.0/17 CZ.CZNET | ||||||
| PTR | dns.iol.cz | ||||||
| NS | ns2.tel.cz | ||||||
| A | 2a00:1028:1:205::2🇨🇿 O2-CZECH-REPUBLIC2a00:1028::/32 O2 CZ | ||||||
| PTR | ns2.tel.cz | ||||||
| A | 194.228.2.1🇨🇿 O2-CZECH-REPUBLIC194.228.0.0/17 CZ.CZNET | ||||||
| PTR | ns2.tel.cz | ||||||
| MX | mx1.airbank.cz ⭐ | ||||||
| A | 80.188.97.69🇨🇿 O2-CZECH-REPUBLIC80.188.0.0/17 CZ.CZNET | ||||||
| PTR | mx1.airbank.cz | ||||||
| MX | mx2.airbank.cz(20) | ||||||
| A | 193.165.169.163🇨🇿 PODA-AS193.165.0.0/16 PODA a.s. IPv4 | ||||||
| PTR | mx2.airbank.cz | ||||||
| MX | mx3.airbank.cz(30) | ||||||
| A | 193.165.201.45🇨🇿 PODA-AS193.165.0.0/16 PODA a.s. IPv4 | ||||||
| PTR | mx3.airbank.cz | ||||||
| TXT | _u54dyqaqgtg14lq6ech6wrhbx7iqok3 | ||||||
| TXT | google-site-verification=-Of9xOqfU9r69HmWz2cbIgOImp0QjLBp-scpH93_Ar8 | ||||||
| TXT | v=spf1 ip4:80.188.97.69 ip4:193.165.169.163 ip4:193.165.201.45 ip4:80.188.97.... | ||||||
| TXT | MS=ms52587547 | ||||||
| SOA | dns.iol.czhostmaster@iol.cz 2026-06-24 #0 | ||||||
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=1784753241 | ||||||
Same first word
Similar names
DNS History
17 records (6 active, 11 former)
●NSdns.iol.cz2026-03-11 → 2026-07-22 · 3 obs
● 2026-03-11 16:27:08
● 2026-07-22 21:24:34
○NSns.forpsi.cz2017-06-12 → 2017-06-12 · 4 obs
● 2017-06-12 16:08:58
○ 2026-03-11 16:27:08
○ 2026-07-22 21:24:34
○NSns.forpsi.it2017-06-12 → 2017-06-12 · 4 obs
● 2017-06-12 16:08:58
○ 2026-03-11 16:27:08
○ 2026-07-22 21:24:34
○NSns.forpsi.net2017-06-12 → 2017-06-12 · 4 obs
● 2017-06-12 16:08:58
○ 2026-03-11 16:27:08
○ 2026-07-22 21:24:34
○NSns1.tele3.cz2015-05-02 → 2016-03-21 · 4 obs
● 2016-03-21 19:38:46
○ 2017-06-12 16:08:58
○ 2026-07-22 21:24:34
●NSns2.tel.cz2026-03-11 → 2026-07-22 · 3 obs
● 2026-03-11 16:27:08
● 2026-07-22 21:24:34
○NSns2.tele3.cz2015-05-02 → 2016-03-21 · 4 obs
● 2016-03-21 19:38:46
○ 2017-06-12 16:08:58
○ 2026-07-22 21:24:34
○NSns3.tele3.cz2015-05-02 → 2016-03-21 · 4 obs
● 2016-03-21 19:38:46
○ 2017-06-12 16:08:58
○ 2026-07-22 21:24:34
○NSns4.tele3.eu2015-10-09 → 2016-03-21 · 5 obs
● 2015-10-09 04:03:10
● 2016-03-21 19:38:46
○ 2017-06-12 16:08:58
○ 2026-07-22 21:24:34
○NSns4.tele3.sk2015-05-02 → 2015-05-02 · 3 obs
○ 2015-10-09 04:03:10
○ 2026-07-22 21:24:34
○MXmail.mediaster.cz2017-06-12 → 2017-06-12 · 3 obs
○ 2026-03-11 16:27:08
○ 2026-07-22 21:24:34
●MXmx1.airbank.cz2026-03-11 → 2026-07-22 · 3 obs
● 2026-03-11 16:27:08
● 2026-07-22 21:24:34
●MXmx2.airbank.cz2026-03-11 → 2026-07-22 · 3 obs
● 2026-03-11 16:27:08
● 2026-07-22 21:24:34
●MXmx3.airbank.cz2026-03-11 → 2026-07-22 · 3 obs
● 2026-03-11 16:27:08
● 2026-07-22 21:24:34
●A185.145.160.742026-03-11 → 2026-07-22 · 3 obs
● 2026-03-11 16:27:08
● 2026-07-22 21:24:34
○A88.146.242.1832015-05-02 → 2016-03-21 · 4 obs
● 2016-03-21 19:38:46
○ 2017-06-12 16:08:58
○ 2026-07-22 21:24:34
○A91.219.247.172017-06-12 → 2017-06-12 · 4 obs
● 2017-06-12 16:08:58
○ 2026-03-11 16:27:08
○ 2026-07-22 21:24:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| unity.cz | dns.iol.cz, ns2.tel.cz | 4 records |
✅ Authoritative Response
Server:194.228.2.61
NS records: dns.iol.cz, ns2.tel.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for unity.cz (unsigned zone)
⏱️ Timing
Total: 1189ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.145.160.74 |
| NS | 2 | dns.iol.cz, ns2.tel.cz |
| MX | 3 | mx2.airbank.cz (pri: 20), mx3.airbank.cz (pri: 30)... |
| TXT | 4 | google-site-verification=-Of9xOqfU9r69Hm, v=spf1 ip4:80.188.97.69 ip4:193.165.169.... |
| SOA | 1 | dns.iol.cz hostmaster.iol.cz |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns.iol.cz, dns.iol.cz, ns2.tel.cz...)
Analysis
IP Addresses
unity.cz resolves to one IP address: 185.145.160.74.
There are other host names — 185-145-160-74.static.mit.etn.cz among them — that share IP numbers with unity.cz.
Name Servers
DNS delegation for unity.cz points to two name servers: dns.iol.cz and ns2.tel.cz.
unity.cz uses the same name servers as several other domains — among them eduportal.eu, 150.102.88.in-addr.arpa, 104.208.83.in-addr.arpa and two more.
unity.cz has partial name server overlap with other domains, including sk.o2.com.
It is common to see these name servers used together with name servers ns1.sk.o2.com and ns2.sk.o2.com.
dns.iol.cz directs to 194.228.2.61 and 2a00:1028:100:102::61. ns2.tel.cz directs to 194.228.2.1 and 2a00:1028:1:205::2. Each host name carries two IP addresses.
Mail Servers
unity.cz has three mail servers: mx1.airbank.cz, mx2.airbank.cz and mx3.airbank.cz.
unity.cz has at least partial mail server overlap with other domains such as zonky.cz, myair.cz, airbank.cz and two more.
mx1.airbank.cz, mx2.airbank.cz and mx3.airbank.cz all have one IP address each — mx1.airbank.cz directs to 80.188.97.69, mx2.airbank.cz directs to 193.165.169.163 and mx3.airbank.cz directs to 193.165.201.45.