`fixnetsro.cz`

DNSSEC	🔒 Signed (DS record present)
A	178.248.60.118^{🇨🇿 AS_FIXNET178.248.56.0/21 CZ.FIXNET route}
		PTR	`sbs.fixnetsro.cz`
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	`fixnetsro-cz.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::10^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbapr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::6^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am4pr0401cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::f^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00307.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.68.15^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db6pr03cu00107.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
		A	52.101.73.15^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
TXT	`MS=ms67734414`
TXT	`v=spf1 mx a:mail.fixnet.cz a:mailer.fixnet.cz a:newmailer.fixnet.cz ip4:178.2...`
SOA	`ns1.websupport.cz`admin@websupport.cz serial=1774278154

`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=1775978246

Subdomains

sbs.fixnetsro.cz

Same first word

fixnetsro.cz

Similar names

festronix.com

xinforest.com

DNS History

6 records (5 active, 1 former)

●NSns1.websupport.cz2026-03-15 → 2026-04-12 · 2 obs

● 2026-03-15 09:51:20
● 2026-04-12 07:51:52

●NSns2.websupport.cz2026-03-15 → 2026-04-12 · 2 obs

● 2026-03-15 09:51:20
● 2026-04-12 07:51:52

●NSns3.websupport.eu2026-03-15 → 2026-04-12 · 2 obs

● 2026-03-15 09:51:20
● 2026-04-12 07:51:52

●MXfixnetsro-cz.mail.protection.outlook.com2026-03-24 → 2026-04-12 · 3 obs

○ 2026-03-19 16:12:28
● 2026-03-24 02:16:06
● 2026-04-12 07:51:52

○MXmail.fixnet.cz2026-03-15 → 2026-03-19 · 4 obs

● 2026-03-15 09:51:20
● 2026-03-19 16:12:28
○ 2026-03-24 02:16:06
○ 2026-04-12 07:51:52

●A178.248.60.1182026-03-15 → 2026-04-12 · 2 obs

● 2026-03-15 09:51:20
● 2026-04-12 07:51:52

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:185.71.159.12

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: 609ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`178.248.60.118`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
MX	1	`fixnetsro-cz.mail.protection.outlook.com`
TXT	2	`MS=ms67734414, v=spf1 mx a:mail.fixnet.cz a:mailer.fixn`
SOA	1	`ns1.websupport.cz admin.websupport.cz`

Analysis

Hierarchy

The parent of sbs.fixnetsro.cz is fixnetsro.cz.

IP Addresses

fixnetsro.cz points to a single IP number: 178.248.60.118.

Other host names, for instance sbs.fixnetsro.cz and mail.chejn.cz, share IP numbers with fixnetsro.cz.

Name Servers

The domain fixnetsro.cz is delegated to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

fixnetsro.cz shares name servers with other domains at least partially, for instance humainn.com, clearcomm.cz, lifeox.com, skolkaamalka.cz and cs-kaktusy.cz.