Is rajnet.cz Safe for Email?

%  (c) 2006-2021 cz.nic, z.s.p.o.
% 
% intended use of supplied data and information
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% data contained in the domain name register, as well as information
% supplied through public information services of cz.nic association,
% are appointed only for purposes connected with internet network
% administration and operation, or for the purpose of legal or other
% similar proceedings, in process as regards a matter connected
% particularly with holding and using a concrete domain name.
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% full text available at:
% http://www.nic.cz/page/306/intended-use-of-supplied-data-and-information/
% 
% see also a search service at http://www.nic.cz/whois/
% 
% 
% whoisd server version: 3.15.0
% timestamp: wed may 22 19:43:29 2024

domain:       rajnet.cz
registrant:   lsluka
nsset:        nss:pes:1
registrar:    reg-internet-cz
registered:   22.02.2001 21:51:00
changed:      08.12.2022 14:35:42
expire:       23.02.2025

contact:      lsluka
name:         ladislav sluka
address:      pěnčín-huť 12
address:      pěnčín-huť
address:      468 26
address:      cz
registrar:    reg-internet-cz
created:      30.11.2022 08:06:37

nsset:        nss:pes:1
nserver:      ns.forpsi.net 
nserver:      ns.forpsi.cz 
nserver:      ns.forpsi.it 
tech-c:       forpsi
registrar:    reg-internet-cz
created:      01.10.2007 02:00:00
changed:      25.05.2009 17:07:31

contact:      forpsi
org:          internet cz, a.s.
name:         stefano cecconi
address:      ktiš 2
address:      ktiš
address:      38403
address:      cz
registrar:    reg-internet-cz
created:      04.08.2008 14:42:08
changed:      15.05.2018 21:32:00