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 | MS=ms52587547 | ||||||
| TXT | google-site-verification=-Of9xOqfU9r69HmWz2cbIgOImp0QjLBp-scpH93_Ar8 | ||||||
| TXT | _u54dyqaqgtg14lq6ech6wrhbx7iqok3 | ||||||
| TXT | v=spf1 ip4:80.188.97.69 ip4:193.165.169.163 ip4:193.165.201.45 ~all | ||||||
| SOA | dns.iol.czhostmaster@iol.cz 2025-10-24 #1 | ||||||
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=1778334436 | ||||||
Same first word
Similar names
DNS History
17 records (6 active, 11 former)
●NSdns.iol.cz2026-03-11 → 2026-05-09 · 3 obs
● 2026-03-11 16:27:08
● 2026-05-09 14:03:28
○NSns.forpsi.cz2017-06-12 → 2017-06-12 · 4 obs
● 2017-06-12 16:08:58
○ 2026-03-11 16:27:08
○ 2026-05-09 14:03:28
○NSns.forpsi.it2017-06-12 → 2017-06-12 · 4 obs
● 2017-06-12 16:08:58
○ 2026-03-11 16:27:08
○ 2026-05-09 14:03:28
○NSns.forpsi.net2017-06-12 → 2017-06-12 · 4 obs
● 2017-06-12 16:08:58
○ 2026-03-11 16:27:08
○ 2026-05-09 14:03:28
○NSns1.tele3.cz2015-05-02 → 2016-03-21 · 4 obs
● 2016-03-21 19:38:46
○ 2017-06-12 16:08:58
○ 2026-05-09 14:03:28
●NSns2.tel.cz2026-03-11 → 2026-05-09 · 3 obs
● 2026-03-11 16:27:08
● 2026-05-09 14:03:28
○NSns2.tele3.cz2015-05-02 → 2016-03-21 · 4 obs
● 2016-03-21 19:38:46
○ 2017-06-12 16:08:58
○ 2026-05-09 14:03:28
○NSns3.tele3.cz2015-05-02 → 2016-03-21 · 4 obs
● 2016-03-21 19:38:46
○ 2017-06-12 16:08:58
○ 2026-05-09 14:03:28
○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
○ 2026-05-09 14:03:28
○NSns4.tele3.sk2015-05-02 → 2015-05-02 · 3 obs
○ 2015-10-09 04:03:10
○ 2026-05-09 14:03:28
○MXmail.mediaster.cz2017-06-12 → 2017-06-12 · 3 obs
○ 2026-03-11 16:27:08
○ 2026-05-09 14:03:28
●MXmx1.airbank.cz2026-03-11 → 2026-05-09 · 3 obs
● 2026-03-11 16:27:08
● 2026-05-09 14:03:28
●MXmx2.airbank.cz2026-03-11 → 2026-05-09 · 3 obs
● 2026-03-11 16:27:08
● 2026-05-09 14:03:28
●MXmx3.airbank.cz2026-03-11 → 2026-05-09 · 3 obs
● 2026-03-11 16:27:08
● 2026-05-09 14:03:28
●A185.145.160.742026-03-11 → 2026-05-09 · 3 obs
● 2026-03-11 16:27:08
● 2026-05-09 14:03:28
○A88.146.242.1832015-05-02 → 2016-03-21 · 4 obs
● 2016-03-21 19:38:46
○ 2017-06-12 16:08:58
○ 2026-05-09 14:03:28
○A91.219.247.172017-06-12 → 2017-06-12 · 4 obs
● 2017-06-12 16:08:58
○ 2026-03-11 16:27:08
○ 2026-05-09 14:03:28
🔍 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:194.228.2.1
NS records: dns.iol.cz, ns2.tel.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for unity.cz (unsigned zone)
⏱️ Timing
Total: 1081ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.145.160.74 |
| NS | 2 | ns2.tel.cz, dns.iol.cz |
| MX | 3 | mx2.airbank.cz (pri: 20), mx3.airbank.cz (pri: 30)... |
| TXT | 4 | _u54dyqaqgtg14lq6ech6wrhbx7iqok3, 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 number: 185.145.160.74.
Other host names, for instance 185-145-160-74.static.mit.etn.cz, share IP numbers with unity.cz.
Name Servers
unity.cz is delegated to two name servers dns.iol.cz and ns2.tel.cz.
unity.cz shares the same name server setup as other domains, for instance eduportal.eu, 150.102.88.in-addr.arpa, 104.208.83.in-addr.arpa, 111.218.160.in-addr.arpa and 208.228.194.in-addr.arpa.
unity.cz at least partially shares name servers with other domains, for instance sk.o2.com.
These name servers are commonly used alongside ns1.sk.o2.com and ns2.sk.o2.com.
Host names with two IP numbers:
The host name dns.iol.cz points to 2a00:1028:100:102::61 and 194.228.2.61; the host name ns2.tel.cz points to 2a00:1028:1:205::2 and 194.228.2.1.
Mail Servers
unity.cz is handled by three mail servers: mx1.airbank.cz, mx2.airbank.cz and mx3.airbank.cz.
unity.cz shares some mail servers with other domains, at least partially, for instance zonky.cz, myair.cz, airbank.cz, abank.cz and cvak.cz.
Host names with one IP number: mx1.airbank.cz points to 80.188.97.69; mx2.airbank.cz points to 193.165.169.163; mx3.airbank.cz points to 193.165.201.45.