WWW.RTSAK.COM - fast-web.cz

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fast-web.cz checked at 2025-11-03T20:00:43.703Z 241ms 77/77/77 100% R:17

`fast-web.cz`

NS	`ns2.web4u.cz`
		A	2a02:a40:100:28ff::12 ^{🇨🇿 BlueTone-AS}
			PTR	`ns2.web4u.cz`
		A	85.207.53.12^{🇨🇿 BlueTone-AS}
			PTR	`ns2.web4u.cz`
NS	`ns.web4u.cz`
		A	2001:1568:fd::241 ^{🇨🇿 WEB4U}
			PTR	`ns.web4u.cz`
		A	185.14.224.241^{🇨🇿 WEB4U}
			PTR	`ns.web4u.cz`
MX	`mx1.mailchannels.net`
		A	18.236.29.166^{🇺🇸 Amazon}
			PTR	`ec2-18-236-29-166.us-west-2.compute.amazonaws.com`
MX	`mx2.mailchannels.net`
		A	18.236.29.166^{🇺🇸 Amazon}
			PTR	`ec2-18-236-29-166.us-west-2.compute.amazonaws.com`
A	95.217.207.245^{🇫🇮 Hetzner}
		PTR	`lisa.ascon.cz`

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fast-web.cz points to IP number 95.217.207.245.

For instance, other host names ascon.cz, dovolena-jeseniky.cz, lukostreleckysvaz.cz, kempmars.cz and berfini.eu share IP numbers with fast-web.cz.

fast-web.cz is delegated to two name servers: ns2.web4u.cz and ns.web4u.cz.

fast-web.cz uses the same name server setup as other domains such as proobec.cz, panocha.eu, j-k.cz, pytrs.cz and bydlo.cz.

Host names with two IP numbers:

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.

Two mail servers mx1.mailchannels.net and mx2.mailchannels.net handle fast-web.cz.

fast-web.cz shares the same mail server setup as other domains, for instance hypervoid.tv, janf.se, cwcc.com, truenth.com and myog.org.

fast-web.cz shares some mail servers with other domains to some extent, for instance agerblomakeri.se and hundochjakt.se.

Host names with a single IP

dbq