comsoftware.cz - dns.ninja

`comsoftware.cz`

DNSSEC	🔒 Signed (DS record present)
A	2a00:4b40:aaaa:2011::7^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
A	37.9.175.213^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24}
NS	`ns1.websupport.cz` ⭐
		A	2a10:bbc0::11^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns1.websupport.eu`
		A	45.10.97.11^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns1.websupport.eu`
NS	`ns2.websupport.cz`
		A	2a02:250:3::12^{🇸🇪 ACTIVE24-AS2a02:250:3::/48}
			PTR	`ns2.websupport.eu`
		A	185.71.159.12^{🇸🇪 ACTIVE24-AS185.71.159.0/24}
			PTR	`ns2.websupport.eu`
NS	`ns3.websupport.eu`
		A	2a10:bbc0::13^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns3.websupport.eu`
		A	45.10.97.13^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns3.websupport.eu`
MX	`mailin1.comsoftware.cz` ⭐
		A	2a00:4b40:aaaa:2101:45:13:137:114^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`mx20.websupport.hu`
		A	45.13.137.9^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`m1-u7-mx.websupport.sk`
MX	`mailin2.comsoftware.cz`⁽¹⁰⁰⁾
		A	2a00:4b40:aaaa:2101:45:13:137:104^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`mx20.websupport.cz`
		A	45.13.137.7^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`mx10.websupport.at`
TXT	`v=spf1 include:spf.active24.com include:spf-zoner-cloudmail.zoner.com include...`
SOA	`ns1.websupport.cz`admin@websupport.cz serial=1784801761

`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=1786630642

Subdomains

mailin2.comsoftware.cz

mailin1.comsoftware.cz

Same first word

comsoftware.nl

comsoftware.com.br

comsoftware.cz

Similar names

omcsoftware.com

softwarecom.de

softwarecom.ru

mocsoftware.com

omcsoftware.cl

softwarecom.com

mcosoftware.com

cmosoftware.com

DNS History

17 records (7 active, 10 former)

○NSalfa.ns.active24.cz2015-07-03 → 2017-03-19 · 4 obs

● 2015-07-03 22:53:56
● 2017-03-19 13:40:10
○ 2026-03-06 10:16:26
○ 2026-08-13 15:29:06

○NSbeta.ns.active24.cz2015-07-03 → 2017-03-19 · 4 obs

● 2015-07-03 22:53:56
● 2017-03-19 13:40:10
○ 2026-03-06 10:16:26
○ 2026-08-13 15:29:06

○NSgama.ns.active24.sk2015-07-03 → 2017-03-19 · 4 obs

● 2015-07-03 22:53:56
● 2017-03-19 13:40:10
○ 2026-03-06 10:16:26
○ 2026-08-13 15:29:06

○NSns.servery.cz2015-07-03 → 2017-03-19 · 4 obs

● 2015-07-03 22:53:56
● 2017-03-19 13:40:10
○ 2026-03-06 10:16:26
○ 2026-08-13 15:29:06

●NSns1.websupport.cz2026-03-06 → 2026-08-13 · 3 obs

○ 2017-03-19 13:40:10
● 2026-03-06 10:16:26
● 2026-08-13 15:29:06

●NSns2.websupport.cz2026-03-06 → 2026-08-13 · 3 obs

○ 2017-03-19 13:40:10
● 2026-03-06 10:16:26
● 2026-08-13 15:29:06

●NSns3.websupport.eu2026-03-06 → 2026-08-13 · 3 obs

○ 2017-03-19 13:40:10
● 2026-03-06 10:16:26
● 2026-08-13 15:29:06

○MXin.smtp.cz2015-07-03 → 2016-07-07 · 4 obs

● 2015-07-03 22:53:56
● 2016-07-07 07:30:36
○ 2017-03-19 13:40:10
○ 2026-08-13 15:29:06

●MXmailin1.comsoftware.cz2026-03-06 → 2026-08-13 · 3 obs

○ 2017-03-19 13:40:10
● 2026-03-06 10:16:26
● 2026-08-13 15:29:06

●MXmailin2.comsoftware.cz2026-03-06 → 2026-08-13 · 3 obs

○ 2017-03-19 13:40:10
● 2026-03-06 10:16:26
● 2026-08-13 15:29:06

○MXmx.smtp.cz2015-07-03 → 2016-07-07 · 4 obs

● 2015-07-03 22:53:56
● 2016-07-07 07:30:36
○ 2017-03-19 13:40:10
○ 2026-08-13 15:29:06

○MXmx1.active24.com2017-03-19 → 2017-03-19 · 4 obs

○ 2016-07-07 07:30:36
● 2017-03-19 13:40:10
○ 2026-03-06 10:16:26
○ 2026-08-13 15:29:06

○MXmx2.active24.com2017-03-19 → 2017-03-19 · 4 obs

○ 2016-07-07 07:30:36
● 2017-03-19 13:40:10
○ 2026-03-06 10:16:26
○ 2026-08-13 15:29:06

●A2a00:4b40:aaaa:2011::72026-03-06 → 2026-08-13 · 3 obs

○ 2017-03-19 13:40:10
● 2026-03-06 10:16:26
● 2026-08-13 15:29:06

○A2a02:4a8:ac24:104::98:1532015-07-03 → 2017-03-19 · 4 obs

● 2015-07-03 22:53:56
● 2017-03-19 13:40:10
○ 2026-03-06 10:16:26
○ 2026-08-13 15:29:06

●A37.9.175.2132026-03-06 → 2026-08-13 · 3 obs

○ 2017-03-19 13:40:10
● 2026-03-06 10:16:26
● 2026-08-13 15:29:06

○A81.95.98.1532015-07-03 → 2017-03-19 · 4 obs

● 2015-07-03 22:53:56
● 2017-03-19 13:40:10
○ 2026-03-06 10:16:26
○ 2026-08-13 15:29:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
comsoftware.cz	ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu	-

✅ Authoritative Response

Server:45.10.97.11

NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 871ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.9.175.213`
AAAA	1	`2a00:4b40:aaaa:2011::7`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
MX	2	`mailin1.comsoftware.cz (pri: 10), mailin2.comsoftware.cz (pri: 100)`
TXT	1	`v=spf1 include:spf.active24.com include:`
SOA	1	`ns1.websupport.cz admin.websupport.cz`

Analysis

Hierarchy

comsoftware.cz is the parent domain of mailin2.comsoftware.cz and mailin1.comsoftware.cz.

IP Addresses

comsoftware.cz has two IP addresses: 37.9.175.213 and 2a00:4b40:aaaa:2011::7

Additional host names — svatoplukdanek.cz, www.xitee.net, cosmonova.cz and two others — share IP numbers with comsoftware.cz.

Name Servers

DNS for comsoftware.cz is handled by three authoritative name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

The name servers of comsoftware.cz overlap at least partially with those of other domains — among them newag.cz, eeshop.cz, bedekr.cz and two more.

The name servers ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk are commonly seen alongside these name servers.

Three hostnames — ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu — each have two IP addresses: ns1.websupport.cz has 45.10.97.11 and 2a10:bbc0::11, ns2.websupport.cz has 185.71.159.12 and 2a02:250:3::12, and ns3.websupport.eu has 45.10.97.13 and 2a10:bbc0::13.

Mail Servers

comsoftware.cz has two mail servers: mailin1.comsoftware.cz and mailin2.comsoftware.cz.

mailin1.comsoftware.cz directs to 45.13.137.9 and 2a00:4b40:aaaa:2101:45:13:137:114. mailin2.comsoftware.cz directs to 45.13.137.7 and 2a00:4b40:aaaa:2101:45:13:137:104. Each host name carries two IP addresses.