`mail.ulicka.com`

CNAME	`ulicka.com`
DNSSEC	⚠️ Not signed
A	89.185.232.147^{🇨🇿 MASTER-AS89.185.224.0/19 MASTER-NET-3}
		PTR	`jala02.dc-1.datahost.cz`
NS	`ns2.server4you.cz` ⭐
		A	77.93.215.80^{🇨🇿 MASTER-AS77.93.192.0/19 MASTER-NET-4}
			PTR	`alpha.server4you.cz`
NS	`ns.server4you.cz` ⚠️ Not in parent delegation
		A	85.118.129.10^{🇨🇿 MASTER-AS85.118.128.0/21 CZ-MASTER-20120312}
			PTR	`85-118-129-10.static.masterinter.net`
NS	`ns.tripsi.com` ⚠️ Not in zone NS records
		A	77.93.215.80^{🇨🇿 MASTER-AS77.93.192.0/19 MASTER-NET-4}
			PTR	`alpha.server4you.cz`
MX	`mail.datahost.cz` ⭐
		A	89.185.232.135^{🇨🇿 MASTER-AS89.185.224.0/19 MASTER-NET-3}
			PTR	`mail.datahost.cz`
TXT	`v=spf1 mx a:mail.datahost.cz a:jala02.dc-1.datahost.cz ~all`
SOA	`ns.server4you.cz`postmaster@ulicka.com 2024-04-26 #3

`ulicka.com`

	DNSSEC	⚠️ Not signed
	A	89.185.232.147^{🇨🇿 MASTER-AS89.185.224.0/19 MASTER-NET-3}
	NS	`ns2.server4you.cz` ⭐
	NS	`ns.server4you.cz` ⚠️ Not in parent delegation
	NS	`ns.tripsi.com` ⚠️ Not in zone NS records
	MX	`mail.datahost.cz` ⭐
	TXT	`v=spf1 mx a:mail.datahost.cz a:jala02.dc-1.datahost.cz ~all`
	SOA	`ns.server4you.cz`postmaster@ulicka.com 2024-04-26 #3

Previously MX for

ulicka.com

Same first word

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DNS History

2 records (1 active, 1 former)

○A89.185.232.1412015-07-19 → 2016-05-05 · 4 obs

● 2015-07-19 06:13:36
● 2016-05-05 18:34:44
○ 2026-05-13 15:39:38
○ 2026-08-05 08:33:08

●CNAMEulicka.com2026-05-13 → 2026-08-05 · 2 obs

● 2026-05-13 15:39:38
● 2026-08-05 08:33:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net...	-
ulicka.com	ns.server4you.cz, ns.tripsi.com	1 record

✅ Authoritative Response

Server:85.118.129.10

NS records: ns.server4you.cz, ns.tripsi.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ulicka.com (unsigned zone)

⏱️ Timing

Total: 602ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`ulicka.com`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns.tripsi.com)

Analysis

IP Addresses

mail.ulicka.com points to a single IP number: 89.185.232.147.

Additional host names — venku.cz, dzerelo.cz, weiss.cz and two others — share IP numbers with mail.ulicka.com.

Name Servers

Three name servers are authoritative for mail.ulicka.com: ns.tripsi.com, ns2.server4you.cz and ns.server4you.cz.

The name servers of mail.ulicka.com overlap at least partially with those of other domains — among them ualev.com, malascenazlin.cz, cistenistudni.cz and two more.

These name servers commonly appear alongside the name servers ns2.datahost.cz and ns.datahost.cz.

ns.tripsi.com, ns2.server4you.cz and ns.server4you.cz each resolve to one IP address: ns.tripsi.com and ns2.server4you.cz both point to 77.93.215.80, while ns.server4you.cz points to 85.118.129.10.

These two host names — ns.tripsi.com and ns2.server4you.cz — each point to 77.93.215.80 IP addresses.

Mail Servers

mail.ulicka.com has one mail server: mail.datahost.cz.

mail.ulicka.com shares the same mail server setup as other domains, including fotbal-frenstat.cz, thalie.cz, replay-cz.cz and two others.

mail.ulicka.com has mail servers in common with other domains — hhauto.cz being one example.

There is one IP number for mail.datahost.cz: 89.185.232.135.

mail.ulicka.com - robtex.com

mail.ulicka.com

ulicka.com