`tarpansolutions.cz`

DNSSEC	🔒 Signed (DS record present)
A	81.91.86.11^{🇨🇿 WEB4U81.91.80.0/21}
		PTR	`php5.web4u.cz`
NS	`ns2.web4u.cz` ⭐
		A	2a02:a40:100:28ff::12^{🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s.}
			PTR	`ns2.web4u.cz`
		A	85.207.53.12^{🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block}
			PTR	`ns2.web4u.cz`
NS	`ns.web4u.cz`
		A	2001:1568:fd::241^{🇨🇿 WEB4U2001:1568::/33}
			PTR	`ns.web4u.cz`
		A	185.14.224.241^{🇨🇿 WEB4U185.14.224.0/23}
			PTR	`ns.web4u.cz`
MX	`mx.web4u.cz` ⭐
		A	2001:1568::7012^{🇨🇿 WEB4U2001:1568::/33}
			PTR	`mx.web4u.cz`
		A	81.91.87.12^{🇨🇿 WEB4U81.91.80.0/21}
			PTR	`mx.web4u.cz`
SOA	`ns.web4u.cz`admin@web4u.cz 2010-11-04 #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=1777042056

Subdomains

mail.tarpansolutions.cz

Same first word

tarpansolutions.ch

tarpansolutions.cz

Similar names

pantarsolutions.com

pantarsolutions.net

DNS History

5 records (4 active, 1 former)

●NSns.web4u.cz2015-07-17 → 2026-04-24 · 2 obs

● 2015-07-17 00:56:44
● 2026-04-24 15:21:48

●NSns2.web4u.cz2015-07-17 → 2026-04-24 · 2 obs

● 2015-07-17 00:56:44
● 2026-04-24 15:21:48

○MXmail.tarpansolutions.cz2015-07-17 → 2017-02-12 · 4 obs

● 2015-07-17 00:56:44
● 2017-02-12 21:30:38
○ 2020-02-13 06:24:36
○ 2026-04-24 15:21:48

●MXmx.web4u.cz2020-02-13 → 2026-04-24 · 3 obs

○ 2017-02-12 21:30:38
● 2020-02-13 06:24:36
● 2026-04-24 15:21:48

●A81.91.86.112015-07-17 → 2026-04-24 · 2 obs

● 2015-07-17 00:56:44
● 2026-04-24 15:21:48

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:85.207.53.12

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 591ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.91.86.11`
NS	2	`ns.web4u.cz, ns2.web4u.cz`
MX	1	`mx.web4u.cz (pri: 10)`
SOA	1	`ns.web4u.cz admin.web4u.cz`

📌 Glue Records Collected

Total: 4

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

Analysis

Hierarchy

mail.tarpansolutions.cz has tarpansolutions.cz as its parent.

IP Addresses

tarpansolutions.cz maps to IP address 81.91.86.11.

Other host names, for instance altako.cz, unassigned-195-39-95-24.web4u.cz, unassigned-81-91-88-6.web4u.cz, web4u-net-81-91-81-0.web4u.cz and dascb.cz share IP numbers with tarpansolutions.cz.

Name Servers

Two name servers ns2.web4u.cz and ns.web4u.cz are delegated to tarpansolutions.cz.

tarpansolutions.cz uses the same name server configuration as other domains, such as sepronet.cz, ascavia.cz, mzdove.cz, garffys.cz and ethan.cz.

Host names with two IPs:

ns2.web4u.cz points to 2a02:a40:100:28ff::12 and 85.207.53.12.

ns.web4u.cz points to 2001:1568:fd::241 and 185.14.224.241.

Mail Servers

tarpansolutions.cz is handled by a single mail server, mx.web4u.cz.

tarpansolutions.cz shares the same mail server setup as other domains, including supertonery.cz, quiz.cz, gw-int.eu, staziste.cz and expedis.eu.

tarpansolutions.cz shares mail servers with other domains at least in part, for instance marketo.cz, dentino.cz, smart4smart.cz, basic-numbers.com and denisaadolfova.com.

These mail servers are commonly used together with mx1.mailchannels.net and mx2.mailchannels.net.

Host name mx.web4u.cz points to IPs 2001:1568::7012 and 81.91.87.12.

tarpansolutions.cz - robtex.com