`mail.regularspace.cz`

	DNSSEC	⚠️ Not signed
	A	10.11.34.143

`regularspace.cz`

	DNSSEC	🔒 Signed (DS record present)
	A	10.11.34.143
	NS	`ns2.web4u.cz` ⭐
	NS	`ns.web4u.cz`
	MX	`mail.regularspace.cz` ⭐
	SOA	`ns.web4u.cz`admin@web4u.cz 2011-12-09 #1

MX for

regularspace.cz

Same first word

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DNS History

2 records (1 active, 1 former)

●A10.11.34.1432016-11-20 → 2026-04-05 · 3 obs

○ 2016-04-05 23:54:00
● 2016-11-20 08:38:44
● 2026-04-05 14:40:48

○A195.47.45.2192015-08-29 → 2016-04-05 · 4 obs

● 2015-08-29 14:55:26
● 2016-04-05 23:54:00
○ 2016-11-20 08:38:44
○ 2026-04-05 14:40:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
regularspace.cz	ns.web4u.cz, ns2.web4u.cz	4 records

✅ Authoritative Response

Server:185.14.224.241

NS records: ns.web4u.cz, ns2.web4u.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 792ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`10.11.34.143`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns.web4u.cz, ns.web4u.cz, ns2.web4u.cz...)

Analysis

Mail Server Role

mail.regularspace.cz serves as the mail server for regularspace.cz.

IP Addresses

mail.regularspace.cz points to an IP address: 10.11.34.143.

Other host names, for instance regularspace.cz, share IP numbers with mail.regularspace.cz.

mail.regularspace.cz - robtex.com