WWW.RTSAK.COM - guidelines.cz

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guidelines.cz checked at 2025-09-26T02:01:32.464Z 782ms 82/82/82 100% R:11

`guidelines.cz`

NS	`ns2.web4u.cz`
		A	2a02:a40:100:28ff::12 ^{🇨🇿 Radiokomunikace}
			PTR	`ns2.web4u.cz`
		A	85.207.53.12^{🇨🇿 Radiokomunikace}
			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	2001:1568::14 ^{🇨🇿 WEB4U}
		PTR	`php7.web4u.cz`
A	81.91.86.14^{🇨🇿 WEB4U}
		PTR	`php7.web4u.cz`

guidelines.cz resolves to two IP numbers: 2001:1568::14 and 81.91.86.14.

Other host names, for instance boofit.net, samson1795.biz, voborsky.eu, vs379.server4u.cz and mail.uvalasku.com share IP numbers with guidelines.cz.

Two name servers ns2.web4u.cz and ns.web4u.cz handle delegation for guidelines.cz.

guidelines.cz uses the same name server setup as other domains, for example z-service.cz, slady.cz, gar-age.net, kazbunda.cz and propneu.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

guidelines.cz is handled by two mail servers: mx1.mailchannels.net and mx2.mailchannels.net.

guidelines.cz has the same mail server setup as other domains, including srellim.net, clairebrandt.com, silvestra.com.mx, gvdental.com and dentistry-kansas.com.

Some mail servers are shared between guidelines.cz and other domains, for example copea.se.

Host names with one IP number

dbq