`anders.cz`

DNSSEC	⚠️ Not signed
A	93.190.48.13^{🇨🇿 WEB4CE93.190.48.0/21 Web4ce, s.r.o.}
		PTR	`web13.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 2022-06-02 #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=1778309235

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DNS History

6 records (6 active, 0 former)

●NSns1.web4ce.cz2026-02-27 → 2026-05-09 · 2 obs

● 2026-02-27 17:59:34
● 2026-05-09 07:38:58

●NSns2.web4ce.cz2026-02-27 → 2026-05-09 · 2 obs

● 2026-02-27 17:59:34
● 2026-05-09 07:38:58

●MXmx1.web4ce.cz2026-02-27 → 2026-05-09 · 2 obs

● 2026-02-27 17:59:34
● 2026-05-09 07:38:58

●MXmx2.web4ce.cz2026-02-27 → 2026-05-09 · 2 obs

● 2026-02-27 17:59:34
● 2026-05-09 07:38:58

●MXmx3.web4ce.cz2026-02-27 → 2026-05-09 · 2 obs

● 2026-02-27 17:59:34
● 2026-05-09 07:38:58

●A93.190.48.132026-02-27 → 2026-05-09 · 2 obs

● 2026-02-27 17:59:34
● 2026-05-09 07:38:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
anders.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 anders.cz (unsigned zone)

⏱️ Timing

Total: 1186ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`93.190.48.13`
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

anders.cz points to an IP address: 93.190.48.13.

other host names include caspv.cz, nola.cz, bonetti.cz, gymbk.cz and treba.cz; they share IP numbers with anders.cz.

Name Servers

Two name servers ns1.web4ce.cz and ns2.web4ce.cz handle the delegation for anders.cz.

anders.cz shares the same name server setup as other domains, for instance karavanek.cz, dj-systems.com, slosarek.cz, thewoodcraft.org and 51.190.93.in-addr.arpa.

Host names with two IP numbers:

ns1.web4ce.cz points to 2a02:c600:0:4::1 and 93.190.48.250.

ns2.web4ce.cz points to 2a02:c600:0:4::2 and 93.190.49.250.

Mail Servers

Three mail servers handle anders.cz: mx1.web4ce.cz, mx2.web4ce.cz and mx3.web4ce.cz.

anders.cz shares at least partially some mail servers with other domains, for instance maritimerace.eu, sportovnipsychologie.cz, netcz.cz, janku.cz and mesnivino.cz.