`speakerguard.cz`

DNSSEC	⚠️ Not signed
A	92.240.253.41^{🇸🇰 VNET-AS92.240.253.0/24}
		PTR	`cluster3s31.dnsserver.eu`
NS	`ns.exohosting.sk` ⭐
		A	2a10:ac80::dd^{🇸🇰 VNET-AS2a10:ac80::/31}
			PTR	`ns.exohosting.sk`
		A	185.184.28.9^{🇸🇰 VNET-AS185.184.28.0/24}
			PTR	`ns.exohosting.sk`
NS	`ns1.exohosting.eu`
		A	2a00:10d8:15:0:2c8b:ddff:fecb:3755^{🇸🇰 VNET-AS2a00:10d8::/32}
		A	92.240.235.93^{🇸🇰 VNET-AS92.240.235.0/24}
NS	`ns3.exohosting.cz`
		A	2001:19f0:6c01:81c:5400:3ff:fe32:f748^{🇩🇪 AS-VULTR2001:19f0:6c00::/38 Vultr Assigned Prefix}
			PTR	`ns3.exohosting.cz`
		A	45.32.153.34^{🇩🇪 AS-VULTR45.32.152.0/21 Vultr Assigned Prefix}
			PTR	`ns3.exohosting.cz`
MX	`relay.exohosting.sk` ⭐
		A	92.240.253.136^{🇸🇰 VNET-AS92.240.253.0/24}
			PTR	`relay.exohosting.sk`
MX	`relay1.exohosting.sk` ⭐
		A	92.240.253.137^{🇸🇰 VNET-AS92.240.253.0/24}
			PTR	`relay.dnsserver.eu`
MX	`relay3.dnsserver.eu`⁽¹⁵⁾
		A	92.240.253.137^{🇸🇰 VNET-AS92.240.253.0/24}
			PTR	`relay.dnsserver.eu`
MX	`relay2.dnsserver.eu`⁽²⁰⁾
		A	92.240.253.136^{🇸🇰 VNET-AS92.240.253.0/24}
			PTR	`relay.exohosting.sk`
TXT	`v=spf1 a mx include:_spf.dnsserver.eu ?all`
SOA	`ns.exohosting.sk`ns@exohosting.sk serial=1776072436

`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.cz`hostmaster@nic.cz serial=1778474835

Subdomains

mx.speakerguard.cz

Same first word

speakerguard.cz

DNS History

15 records (8 active, 7 former)

○NSa.ns.tojeono.cz2015-06-18 → 2016-04-20 · 4 obs

● 2015-06-18 12:02:58
● 2016-04-20 00:58:36
○ 2020-02-17 21:29:50
○ 2026-05-11 05:40:52

○NSb.ns.tojeono.cz2015-06-18 → 2016-04-20 · 4 obs

● 2015-06-18 12:02:58
● 2016-04-20 00:58:36
○ 2020-02-17 21:29:50
○ 2026-05-11 05:40:52

○NSc.ns.tojeono.cz2015-06-18 → 2016-04-20 · 4 obs

● 2015-06-18 12:02:58
● 2016-04-20 00:58:36
○ 2020-02-17 21:29:50
○ 2026-05-11 05:40:52

●NSns.exohosting.sk2020-02-17 → 2026-05-11 · 3 obs

○ 2016-04-20 00:58:36
● 2020-02-17 21:29:50
● 2026-05-11 05:40:52

●NSns1.exohosting.eu2020-02-17 → 2026-05-11 · 3 obs

○ 2016-04-20 00:58:36
● 2020-02-17 21:29:50
● 2026-05-11 05:40:52

●NSns3.exohosting.cz2020-02-17 → 2026-05-11 · 3 obs

○ 2016-04-20 00:58:36
● 2020-02-17 21:29:50
● 2026-05-11 05:40:52

○MXa.mx.speakerguard.cz2015-06-18 → 2016-04-20 · 4 obs

● 2015-06-18 12:02:58
● 2016-04-20 00:58:36
○ 2020-02-17 21:29:50
○ 2026-05-11 05:40:52

○MXb.mx.speakerguard.cz2015-06-18 → 2016-04-20 · 4 obs

● 2015-06-18 12:02:58
● 2016-04-20 00:58:36
○ 2020-02-17 21:29:50
○ 2026-05-11 05:40:52

○MXc.mx.speakerguard.cz2015-06-18 → 2016-04-20 · 4 obs

● 2015-06-18 12:02:58
● 2016-04-20 00:58:36
○ 2020-02-17 21:29:50
○ 2026-05-11 05:40:52

●MXrelay.exohosting.sk2020-02-17 → 2026-05-11 · 3 obs

○ 2016-04-20 00:58:36
● 2020-02-17 21:29:50
● 2026-05-11 05:40:52

●MXrelay1.exohosting.sk2020-02-17 → 2026-05-11 · 3 obs

○ 2016-04-20 00:58:36
● 2020-02-17 21:29:50
● 2026-05-11 05:40:52

●MXrelay2.dnsserver.eu2020-02-17 → 2026-05-11 · 3 obs

○ 2016-04-20 00:58:36
● 2020-02-17 21:29:50
● 2026-05-11 05:40:52

●MXrelay3.dnsserver.eu2020-02-17 → 2026-05-11 · 3 obs

○ 2016-04-20 00:58:36
● 2020-02-17 21:29:50
● 2026-05-11 05:40:52

○A77.78.105.1492015-06-18 → 2016-04-20 · 4 obs

● 2015-06-18 12:02:58
● 2016-04-20 00:58:36
○ 2020-02-17 21:29:50
○ 2026-05-11 05:40:52

●A92.240.253.412020-02-17 → 2026-05-11 · 3 obs

○ 2016-04-20 00:58:36
● 2020-02-17 21:29:50
● 2026-05-11 05:40:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
speakerguard.cz	ns.exohosting.sk, ns1.exohosting.eu, ns3.exohosting.cz	2 records

✅ Authoritative Response

Server:92.240.235.93

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for speakerguard.cz (unsigned zone)

⏱️ Timing

Total: 1512ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`92.240.253.41`
NS	3	`ns.exohosting.sk, ns1.exohosting.eu...`
MX	4	`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.sk ns.exohosting.sk`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.exohosting.cz, ns3.exohosting.cz)

Analysis

Hierarchy

speakerguard.cz is the parent of mx.speakerguard.cz.

IP Addresses

speakerguard.cz resolves to one IP number: 92.240.253.41.

other host names including imaster.sk, nejpoptavka.com, gymex.sk, ns.h2m.sk and ns.cityenglish.sk share IP numbers with speakerguard.cz.

Name Servers

speakerguard.cz is delegated to three name servers ns3.exohosting.cz, ns1.exohosting.eu and ns.exohosting.sk.

speakerguard.cz at least partially shares name servers with other domains, for instance bylinnezmesi.sk, gosoft.sk, hotelledecko.cz, napron.sk and cokolvek.net.

These name servers are commonly used with ns1.exohosting.sk, ns3.exohosting.sk, ns1.exohosting.cz, ns.exohosting.cz and ns.gosoft.sk.

Host names with two IP numbers:

ns3.exohosting.cz points to: 2001:19f0:6c01:81c:5400:3ff:fe32:f748 and 45.32.153.34.

ns1.exohosting.eu points to: 2a00:10d8:15:0:2c8b:ddff:fecb:3755 and 92.240.235.93.

ns.exohosting.sk points to: 2a10:ac80::dd and 185.184.28.9.

Mail Servers

Four mail servers handle speakerguard.cz: relay2.dnsserver.eu, relay3.dnsserver.eu, relay1.exohosting.sk and relay.exohosting.sk.

speakerguard.cz shares some mail servers with other domains, at least partially, for instance nereus.sk, systecom.sk, premiumweb.sk, kozino.cz and silvanium.sk.