WWW.RTSAK.COM - asp4u.cz

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asp4u.cz checked at 2025-10-21T10:49:19.733Z 333ms 80/80/80 100% R:17

`asp4u.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	81.91.86.27^{🇨🇿 WEB4U}
		PTR	`www.spravadomen.cz`

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asp4u.cz is parent of vw66-4.asp4u.cz and vw40.asp4u.cz.

asp4u.cz points to a single IP: 81.91.86.27.

asp4u.cz's delegation is to two name servers ns2.web4u.cz and ns.web4u.cz.

asp4u.cz shares the same name server configuration as other domains, such as openeye.cz, nextlc.cz, x-armyshop.cz, denycomputers.cz and spcr.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 asp4u.cz.

asp4u.cz uses the same mail server setup as other domains such as denivky.com, glendalecivicassociation.com, material.name, anniechambers.org and fennellmail.com.

asp4u.cz shares some mail servers with other domains at least partially, for example mail.cy-tube.com.tw.

dbq