`com4t.cz`

DNSSEC	⚠️ Not signed
A	93.190.48.7^{🇨🇿 WEB4CE93.190.48.0/21 Web4ce, s.r.o.}
		PTR	`web7.web4ce.cz`
NS	`ns1.web4ce.cz` ⭐
		A	2a02:c600:0:4::1^{🇨🇿 WEB4CE2a02:c600::/29 Web4ce, s.r.o.}
			PTR	`ns1.web4ce.cz`
		A	93.190.48.250^{🇨🇿 WEB4CE93.190.48.0/21 Web4ce, s.r.o.}
			PTR	`ns1.web4ce.cz`
NS	`ns2.web4ce.cz`
		A	2a02:c600:0:4::2^{🇨🇿 WEB4CE2a02:c600::/29 Web4ce, s.r.o.}
			PTR	`ns2.web4ce.cz`
		A	93.190.49.250^{🇨🇿 WEB4CE93.190.48.0/21 Web4ce, s.r.o.}
			PTR	`ns2.web4ce.cz`
MX	`mx1.web4ce.cz` ⭐
		A	93.190.48.73^{🇨🇿 WEB4CE93.190.48.0/21 Web4ce, s.r.o.}
			PTR	`mx1.web4ce.cz`
		A	93.190.48.74^{🇨🇿 WEB4CE93.190.48.0/21 Web4ce, s.r.o.}
			PTR	`mx2.web4ce.cz`
		A	93.190.48.75^{🇨🇿 WEB4CE93.190.48.0/21 Web4ce, s.r.o.}
			PTR	`mx3.web4ce.cz`
MX	`mx2.web4ce.cz` ⭐
		A	93.190.48.73^{🇨🇿 WEB4CE93.190.48.0/21 Web4ce, s.r.o.}
			PTR	`mx1.web4ce.cz`
		A	93.190.48.74^{🇨🇿 WEB4CE93.190.48.0/21 Web4ce, s.r.o.}
			PTR	`mx2.web4ce.cz`
		A	93.190.48.75^{🇨🇿 WEB4CE93.190.48.0/21 Web4ce, s.r.o.}
			PTR	`mx3.web4ce.cz`
MX	`mx3.web4ce.cz`⁽¹⁰⁰⁰⁾
		A	93.190.48.73^{🇨🇿 WEB4CE93.190.48.0/21 Web4ce, s.r.o.}
			PTR	`mx1.web4ce.cz`
		A	93.190.48.74^{🇨🇿 WEB4CE93.190.48.0/21 Web4ce, s.r.o.}
			PTR	`mx2.web4ce.cz`
		A	93.190.48.75^{🇨🇿 WEB4CE93.190.48.0/21 Web4ce, s.r.o.}
			PTR	`mx3.web4ce.cz`
TXT	`v=spf1 mx include:spf.web4ce.cz ~all`
SOA	`ns1.web4ce.cz`domeny@web4ce.cz 2024-02-01 #1

`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=1771291036

Same first word

com4t.co

com4t.com

com4t.de

com4t.store

com4t.cz

Similar names

t4com.co.uk

4tcom.com

4comt.ru

t4com.com

t4com.eu

DNS History

10 records (6 active, 4 former)

○NSnew-chicago.improvisio.cz2015-06-14 → 2017-04-19 · 4 obs

● 2015-06-14 16:40:18
● 2017-04-19 10:51:50
○ 2026-02-18 11:16:26
○ 2026-03-24 05:29:36

●NSns1.web4ce.cz2026-02-18 → 2026-03-24 · 3 obs

○ 2017-04-19 10:51:50
● 2026-02-18 11:16:26
● 2026-03-24 05:29:36

●NSns2.web4ce.cz2026-02-18 → 2026-03-24 · 3 obs

○ 2017-04-19 10:51:50
● 2026-02-18 11:16:26
● 2026-03-24 05:29:36

○NSsdns2.ovh.net2015-06-14 → 2017-04-19 · 4 obs

● 2015-06-14 16:40:18
● 2017-04-19 10:51:50
○ 2026-02-18 11:16:26
○ 2026-03-24 05:29:36

○MXmail.com4t.cz2015-06-14 → 2017-04-19 · 4 obs

● 2015-06-14 16:40:18
● 2017-04-19 10:51:50
○ 2026-02-18 11:16:26
○ 2026-03-24 05:29:36

●MXmx1.web4ce.cz2026-02-18 → 2026-03-24 · 3 obs

○ 2017-04-19 10:51:50
● 2026-02-18 11:16:26
● 2026-03-24 05:29:36

●MXmx2.web4ce.cz2026-02-18 → 2026-03-24 · 3 obs

○ 2017-04-19 10:51:50
● 2026-02-18 11:16:26
● 2026-03-24 05:29:36

●MXmx3.web4ce.cz2026-02-18 → 2026-03-24 · 3 obs

○ 2017-04-19 10:51:50
● 2026-02-18 11:16:26
● 2026-03-24 05:29:36

●A93.190.48.72026-02-18 → 2026-03-24 · 3 obs

○ 2017-04-19 10:51:50
● 2026-02-18 11:16:26
● 2026-03-24 05:29:36

○A94.23.169.1452015-06-14 → 2017-04-19 · 4 obs

● 2015-06-14 16:40:18
● 2017-04-19 10:51:50
○ 2026-02-18 11:16:26
○ 2026-03-24 05:29:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz	-
com4t.cz	ns1.web4ce.cz, ns2.web4ce.cz	2 records

✅ Authoritative Response

Server:93.190.49.250

NS records: ns1.web4ce.cz, ns2.web4ce.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for com4t.cz (unsigned zone)

⏱️ Timing

Total: 1043ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`93.190.48.7`
NS	2	`ns1.web4ce.cz, ns2.web4ce.cz`
MX	3	`mx2.web4ce.cz (pri: 10), mx1.web4ce.cz (pri: 10)...`
TXT	1	`v=spf1 mx include:spf.web4ce.cz ~all`
SOA	1	`ns1.web4ce.cz domeny.web4ce.cz`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.web4ce.cz, ns2.web4ce.cz)

Analysis

IP Addresses

com4t.cz resolves to one IP number: 93.190.48.7.

other host names including finito.cz, avast2017.com, lkfs.cz, lazamcz.cz and utef.cz share IP numbers with com4t.cz.

Name Servers

com4t.cz is delegated to two name servers ns1.web4ce.cz and ns2.web4ce.cz.

com4t.cz shares the same name server setup as other domains, for instance wolfdogs.cz, fascinum.cz, moodle-betlemska.cz, prokes.net and eucatalog.sk.

Host names with two IP numbers:

The host name ns1.web4ce.cz points to 2a02:c600:0:4::1 and 93.190.48.250; the host name ns2.web4ce.cz points to 2a02:c600:0:4::2 and 93.190.49.250.

Mail Servers

com4t.cz is handled by three mail servers: mx1.web4ce.cz, mx2.web4ce.cz and mx3.web4ce.cz.

com4t.cz shares some mail servers with other domains, at least partially, for instance setkani.cz, avast2017.com, vhj.de, bdsmparty.cz and lkfs.cz.