`mail.ctrnactka.net`

	CNAME	`mail7.skok.cz`
	DNSSEC	⚠️ Not signed
	A	62.109.151.105^{🇨🇿 IGNUM-AS62.109.128.0/19 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}

`ctrnactka.net`

	DNSSEC	⚠️ Not signed
	A	2001:880:0:15::3f1^{🇩🇪 ONE-NETWORK2001:880::/32}
	A	185.102.21.41^{🇨🇿 ONE-NETWORK185.102.21.0/24}
	NS	`ns1.webglobe.cz` ⭐ ⚠️ Not in parent delegation
	NS	`ns.skok.cz` ⚠️ Not in zone NS records
	NS	`ns2.skok.cz` ⚠️ Not in zone NS records
	NS	`ns2.webglobe.cz` ⚠️ Not in parent delegation
	NS	`ns3.skokcz.eu` ⚠️ Not in zone NS records
	NS	`ns3.webglobe.com` ⚠️ Not in parent delegation
	MX	`mx.skok.cz` ⭐
	MX	`mxbackup.skok.cz`⁽²⁰⁾
	SOA	`ns1.webglobe.cz`hostmaster@skok.cz 2026-04-15 #3

Same first word

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DNS History

3 records (1 active, 2 former)

○A109.123.223.942015-06-06 → 2016-09-15 · 4 obs

● 2015-06-06 13:32:16
● 2016-09-15 04:06:10
○ 2026-04-19 22:46:16
○ 2026-04-19 22:46:18

○A2001:1528:181::223:942015-06-06 → 2016-09-15 · 4 obs

● 2015-06-06 13:32:16
● 2016-09-15 04:06:10
○ 2026-04-19 22:46:16
○ 2026-04-19 22:46:18

●CNAMEmail7.skok.cz2015-06-06 → 2026-04-19 · 2 obs

● 2015-06-06 13:32:16
● 2026-04-19 22:46:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	j.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net...	-
ctrnactka.net	ns.skok.cz, ns2.skok.cz, ns3.skokcz.eu	-

✅ Authoritative Response

Server:185.65.223.35

NS records: ns.skok.cz, ns2.skok.cz, ns3.skokcz.eu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctrnactka.net (unsigned zone)

⏱️ Timing

Total: 784ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`mail7.skok.cz`

Analysis

IP Addresses

mail.ctrnactka.net points to a single IP address: 62.109.151.105.

Other host names such as mail.h-w.cz, mail9.skok.cz, mail2.skok.cz, mail4.skok.cz and mailproxy.webglobe.cz share IP numbers with mail.ctrnactka.net.

mail.ctrnactka.net - robtex.com