optim.sk - dns.ninja

optim.sk

DNSSECπŸ”’ Signed (DS record present)
A92.240.253.18πŸ‡ΈπŸ‡° VNET-AS92.240.253.0/24
PTRcluster3s19.dnsserver.eu
NSns.exohosting.sk ⭐
A2a10:ac80::ddπŸ‡ΈπŸ‡° VNET-AS2a10:ac80::/31
PTRns.exohosting.sk
A185.184.28.9πŸ‡ΈπŸ‡° VNET-AS185.184.28.0/24
PTRns.exohosting.sk
NSns1.exohosting.eu
A2a00:10d8:15:0:2c8b:ddff:fecb:3755πŸ‡ΈπŸ‡° VNET-AS2a00:10d8::/32
A92.240.235.93πŸ‡ΈπŸ‡° VNET-AS92.240.235.0/24
NSns3.exohosting.cz
A2001:19f0:6c01:81c:5400:3ff:fe32:f748πŸ‡©πŸ‡ͺ AS-VULTR2001:19f0:6c00::/38 Vultr Assigned Prefix
PTRns3.exohosting.cz
A45.32.153.34πŸ‡©πŸ‡ͺ AS-VULTR45.32.152.0/21 Vultr Assigned Prefix
MXrelay.exohosting.sk ⭐
A92.240.253.136πŸ‡ΈπŸ‡° VNET-AS92.240.253.0/24
MXrelay1.exohosting.sk ⭐
A92.240.253.137πŸ‡ΈπŸ‡° VNET-AS92.240.253.0/24
MXrelay3.dnsserver.eu(15)
A92.240.253.137πŸ‡ΈπŸ‡° VNET-AS92.240.253.0/24
MXrelay2.dnsserver.eu(20)
A92.240.253.136πŸ‡ΈπŸ‡° VNET-AS92.240.253.0/24
TXTv=spf1 a mx include:_spf.dnsserver.eu -all
TXTgoogle-site-verification=O91yPMKgehda_9wDyStAgfVj-5EYbsmC_pF1q3osQVY
SOAns.exohosting.skns@exohosting.sk serial=1782427574

sk

DNSSECπŸ”’ Signed (DS record present)
NSm.tld.sk ⭐
NSe.tld.sk
NSf.tld.sk
NSg.tld.sk
NSh.tld.sk
SOAm.tld.skhostmaster@sk-nic.sk serial=2018565758

Subdomains

Same first word

Similar names

DNS History

14 records (8 active, 6 former)

20162017201820192020202120222023202420252026NSns.exohosting.skns1.exohosting.euns3.exohosting.czns1.websupport.skns2.websupport.skns3.websupport.skMXrelay.exohosting.skrelay1.exohosting.skrelay2.dnsserver.eurelay3.dnsserver.eumailin1.optim.skmailin2.optim.skA92.240.253.1837.9.175.6
●NSns.exohosting.sk2026-05-08 β†’ 2026-06-27 Β· 3 obs
β—‹ 2016-01-16 17:38:22
● 2026-05-08 16:23:08
● 2026-06-27 06:03:40
●NSns1.exohosting.eu2026-05-08 β†’ 2026-06-27 Β· 3 obs
β—‹ 2016-01-16 17:38:22
● 2026-05-08 16:23:08
● 2026-06-27 06:03:40
β—‹NSns1.websupport.sk2015-10-29 β†’ 2015-10-29 Β· 3 obs
● 2015-10-29 16:40:52
β—‹ 2016-01-16 17:38:22
β—‹ 2026-06-27 06:03:40
β—‹NSns2.websupport.sk2015-10-29 β†’ 2015-10-29 Β· 3 obs
● 2015-10-29 16:40:52
β—‹ 2016-01-16 17:38:22
β—‹ 2026-06-27 06:03:40
●NSns3.exohosting.cz2026-05-08 β†’ 2026-06-27 Β· 3 obs
β—‹ 2016-01-16 17:38:22
● 2026-05-08 16:23:08
● 2026-06-27 06:03:40
β—‹NSns3.websupport.sk2015-10-29 β†’ 2015-10-29 Β· 3 obs
● 2015-10-29 16:40:52
β—‹ 2016-01-16 17:38:22
β—‹ 2026-06-27 06:03:40
β—‹MXmailin1.optim.sk2015-10-29 β†’ 2015-10-29 Β· 3 obs
● 2015-10-29 16:40:52
β—‹ 2016-01-16 17:38:22
β—‹ 2026-06-27 06:03:40
β—‹MXmailin2.optim.sk2015-10-29 β†’ 2015-10-29 Β· 3 obs
● 2015-10-29 16:40:52
β—‹ 2016-01-16 17:38:22
β—‹ 2026-06-27 06:03:40
●MXrelay.exohosting.sk2026-05-08 β†’ 2026-06-27 Β· 3 obs
β—‹ 2016-01-16 17:38:22
● 2026-05-08 16:23:08
● 2026-06-27 06:03:40
●MXrelay1.exohosting.sk2026-05-08 β†’ 2026-06-27 Β· 3 obs
β—‹ 2016-01-16 17:38:22
● 2026-05-08 16:23:08
● 2026-06-27 06:03:40
●MXrelay2.dnsserver.eu2026-05-08 β†’ 2026-06-27 Β· 3 obs
β—‹ 2016-01-16 17:38:22
● 2026-05-08 16:23:08
● 2026-06-27 06:03:40
●MXrelay3.dnsserver.eu2026-05-08 β†’ 2026-06-27 Β· 3 obs
β—‹ 2016-01-16 17:38:22
● 2026-05-08 16:23:08
● 2026-06-27 06:03:40
β—‹A37.9.175.62015-10-29 β†’ 2015-10-29 Β· 3 obs
● 2015-10-29 16:40:52
β—‹ 2016-01-16 17:38:22
β—‹ 2026-06-27 06:03:40
●A92.240.253.182026-05-08 β†’ 2026-06-27 Β· 3 obs
β—‹ 2016-01-16 17:38:22
● 2026-05-08 16:23:08
● 2026-06-27 06:03:40

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
skg.tld.sk, f.tld.sk, e.tld.sk, h.tld.sk-
optim.skns.exohosting.sk, ns1.exohosting.eu, ns3.exohosting.cz2 records

βœ… Authoritative Response

Server:45.32.153.34

NS records: ns.exohosting.sk, ns1.exohosting.eu, ns3.exohosting.cz

πŸ”’ DNSSEC Status

πŸ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1079ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A192.240.253.18
NS3ns.exohosting.sk, ns1.exohosting.eu...
MX4relay.exohosting.sk (pri: 10), relay1.exohosting.sk (pri: 10)...
TXT2v=spf1 a mx include:_spf.dnsserver.eu -a, google-site-verification=O91yPMKgehda_9w
SOA1ns.exohosting.sk ns.exohosting.sk

πŸ“Œ Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.exohosting.sk, ns.exohosting.sk)

Analysis

Hierarchy

The parent domain of mailin2.optim.sk and mailin1.optim.sk is optim.sk.

IP Addresses

optim.sk directs to one IP number, which is 92.240.253.18.

Among the host names that share IP numbers with optim.sk are ns.ferrit.sk, zatekanie.eu, hodak.sk and two others.

Name Servers

optim.sk carries NS records delegating to ns3.exohosting.cz, ns1.exohosting.eu and ns.exohosting.sk.

optim.sk partially shares its NS delegation with several other domains, including dassafe.com, azdental.sk, funtravel.sk and two others.

These name servers are regularly seen alongside ns1.exohosting.sk and ns3.exohosting.sk as name servers.

ns3.exohosting.cz, ns1.exohosting.eu and ns.exohosting.sk are three hostnames that each resolve to a pair of IP addresses: ns3.exohosting.cz to 45.32.153.34 and 2001:19f0:6c01:81c:5400:3ff:fe32:f748, ns1.exohosting.eu to 92.240.235.93 and 2a00:10d8:15:0:2c8b:ddff:fecb:3755, and ns.exohosting.sk to 185.184.28.9 and 2a10:ac80::dd.

Mail Servers

optim.sk has four mail servers: relay2.dnsserver.eu, relay3.dnsserver.eu, relay1.exohosting.sk and relay.exohosting.sk.

optim.sk shares at least some of its mail servers with other domains β€” for example fcbarcelona.sk, notarsky-urad.eu, erecept.info and two more.

It is common to find these mail servers paired with the mail servers relay.dnsserver.eu.

Each of relay2.dnsserver.eu, relay3.dnsserver.eu, relay1.exohosting.sk and relay.exohosting.sk has one IP address. relay2.dnsserver.eu β†’ 92.240.253.136, relay3.dnsserver.eu β†’ 92.240.253.137, relay1.exohosting.sk β†’ 92.240.253.137, relay.exohosting.sk β†’ 92.240.253.136.

relay2.dnsserver.eu along with relay.exohosting.sk each resolve to 92.240.253.136 IP addresses.

relay3.dnsserver.eu along with relay1.exohosting.sk each resolve to 92.240.253.137 IP addresses.