problem.cz - dns.ninja
problem.cz
| DNSSEC | β οΈ Not signed | ||||||
| A | 92.240.253.223πΈπ° VNET-AS92.240.253.0/24 | ||||||
| NS | ns1.exohosting.cz β | ||||||
| A | 2a00:10d8:15:0:2c8b:ddff:fecb:3755πΈπ° VNET-AS2a00:10d8::/32 | ||||||
| A | 92.240.235.93πΈπ° VNET-AS92.240.235.0/24 | ||||||
| NS | ns.exohosting.cz | ||||||
| A | 2a10:ac80::ddπΈπ° VNET-AS2a10:ac80::/31 | ||||||
| PTR | ns.exohosting.sk | ||||||
| A | 185.184.28.9πΈπ° VNET-AS185.184.28.0/24 | ||||||
| PTR | ns.exohosting.sk | ||||||
| NS | ns3.exohosting.cz | ||||||
| A | 2001:19f0:6c01:81c:5400:3ff:fe32:f748π©πͺ AS-VULTR2001:19f0:6c00::/38 Vultr Assigned Prefix | ||||||
| PTR | ns3.exohosting.cz | ||||||
| A | 45.32.153.34π©πͺ AS-VULTR45.32.152.0/21 Vultr Assigned Prefix | ||||||
| PTR | ns3.exohosting.cz | ||||||
| MX | relay.exohosting.sk β | ||||||
| A | 92.240.253.136πΈπ° VNET-AS92.240.253.0/24 | ||||||
| MX | relay1.exohosting.sk β | ||||||
| A | 92.240.253.137πΈπ° VNET-AS92.240.253.0/24 | ||||||
| PTR | relay.dnsserver.eu | ||||||
| MX | relay2.dnsserver.eu(20) | ||||||
| A | 92.240.253.136πΈπ° VNET-AS92.240.253.0/24 | ||||||
| TXT | v=spf1 a mx include:_spf.dnsserver.eu ?all | ||||||
| SOA | ns.exohosting.czns@exohosting.cz serial=1678752026 | ||||||
cz
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a.ns.nic.cz β | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1785656841 | ||||||
Same first word
Similar names
DNS History
14 records (7 active, 7 former)
βNSns.exohosting.cz2015-12-24 β 2026-08-02 Β· 3 obs
β 2015-12-24 13:24:24
β 2026-08-02 07:55:38
βNSns1.exohosting.cz2015-12-24 β 2026-08-02 Β· 3 obs
β 2015-12-24 13:24:24
β 2026-08-02 07:55:38
βNSns1.profisolution.cz2015-05-18 β 2015-10-24 Β· 4 obs
β 2015-10-24 11:07:06
β 2015-12-24 13:24:24
β 2026-08-02 07:55:38
βNSns2.profisolution.cz2015-05-18 β 2015-10-24 Β· 4 obs
β 2015-10-24 11:07:06
β 2015-12-24 13:24:24
β 2026-08-02 07:55:38
βNSns3.exohosting.cz2015-12-24 β 2026-08-02 Β· 3 obs
β 2015-12-24 13:24:24
β 2026-08-02 07:55:38
βMXmx10.profisolution.cz2015-05-18 β 2015-10-24 Β· 4 obs
β 2015-10-24 11:07:06
β 2015-12-24 13:24:24
β 2026-08-02 07:55:38
βMXmx10.xweb.cz2015-05-18 β 2015-10-24 Β· 4 obs
β 2015-10-24 11:07:06
β 2015-12-24 13:24:24
β 2026-08-02 07:55:38
βMXrelay.exohosting.sk2015-12-24 β 2026-08-02 Β· 3 obs
β 2015-12-24 13:24:24
β 2026-08-02 07:55:38
βMXrelay1.exohosting.sk2015-12-24 β 2026-08-02 Β· 3 obs
β 2015-12-24 13:24:24
β 2026-08-02 07:55:38
βMXrelay2.dnsserver.eu2015-12-24 β 2026-08-02 Β· 3 obs
β 2015-12-24 13:24:24
β 2026-08-02 07:55:38
βMXrelay3.dnsserver.eu2015-12-24 β 2016-06-17 Β· 5 obs
β 2015-12-24 13:24:24
β 2016-06-17 18:32:26
β 2017-02-05 18:17:00
β 2026-08-02 07:55:38
βA193.19.179.302015-05-18 β 2015-10-24 Β· 4 obs
β 2015-10-24 11:07:06
β 2015-12-24 13:24:24
β 2026-08-02 07:55:38
βA92.240.253.2232020-01-08 β 2026-08-02 Β· 3 obs
β 2020-01-08 19:02:08
β 2026-08-02 07:55:38
βA92.240.253.562015-12-24 β 2017-02-05 Β· 5 obs
β 2015-12-24 13:24:24
β 2017-02-05 18:17:00
β 2020-01-08 19:02:08
β 2026-08-02 07:55:38
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| problem.cz | ns.exohosting.cz, ns1.exohosting.cz, ns3.exohosting.cz | 2 records |
β Authoritative Response
Server:45.32.153.34
NS records: ns.exohosting.cz, ns1.exohosting.cz, ns3.exohosting.cz
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for problem.cz (unsigned zone)
β±οΈ Timing
Total: 2494ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 92.240.253.223 |
| NS | 3 | ns.exohosting.cz, ns1.exohosting.cz... |
| MX | 3 | relay.exohosting.sk (pri: 10), relay1.exohosting.sk (pri: 10)... |
| TXT | 1 | v=spf1 a mx include:_spf.dnsserver.eu ?a |
| SOA | 1 | ns.exohosting.cz ns.exohosting.cz |
π Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns3.exohosting.cz, ns3.exohosting.cz)
Analysis
IP Addresses
problem.cz directs to one IP number, which is 92.240.253.223.
Among the host names that share IP numbers with problem.cz are www.epas.sk, ns.uzkost.eu, ns.rka.sk and two others.
Name Servers
DNS for problem.cz is handled by three authoritative name servers: ns1.exohosting.cz, ns3.exohosting.cz and ns.exohosting.cz.
There is at least partial name server overlap between problem.cz and other domains β lacreation.eu, diamantovykotuc.sk, naken.sk and two more among them.
These name servers tend to appear in combination with the name servers ns.exohosting.sk, ns1.exohosting.eu, ns1.exohosting.sk and ns3.exohosting.sk.
Three hostnames β ns1.exohosting.cz, ns3.exohosting.cz and ns.exohosting.cz β each have two IP addresses: ns1.exohosting.cz has 92.240.235.93 and 2a00:10d8:15:0:2c8b:ddff:fecb:3755, ns3.exohosting.cz has 45.32.153.34 and 2001:19f0:6c01:81c:5400:3ff:fe32:f748, and ns.exohosting.cz has 185.184.28.9 and 2a10:ac80::dd.
Mail Servers
Incoming mail for problem.cz is delivered via three mail servers: relay2.dnsserver.eu, relay1.exohosting.sk and relay.exohosting.sk.
problem.cz shares at least some of its mail servers with other domains β for example ecler.sk, bawares.sk, dashcam.cz and two more.
These mail servers are routinely seen in conjunction with the mail servers relay3.dnsserver.eu and relay.dnsserver.eu.
Each of the hostnames relay2.dnsserver.eu, relay1.exohosting.sk and relay.exohosting.sk has a single IP address assigned: relay2.dnsserver.eu directs to 92.240.253.136, relay1.exohosting.sk directs to 92.240.253.137 and relay.exohosting.sk directs to 92.240.253.136.
Host names pointing to 92.240.253.136 IP addresses: relay2.dnsserver.eu and relay.exohosting.sk.