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optimplan.cz checked at 2025-10-20T08:31:43.050Z 366ms 84/84/84 100% R:15

`optimplan.cz`

MX	`mxavas.forpsi.com`
		A	81.2.195.200^{🇨🇿 INTERNET CZ}
			PTR	`mxavas.forpsi.com`
NS	`ns.forpsi.cz`
		A	2001:15e8:201:1::d1b9 ^{🇨🇿 INTERNET CZ}
			PTR	`ns.forpsi.cz`
		A	81.2.209.185^{🇨🇿 INTERNET CZ}
			PTR	`ns.forpsi.cz`
NS	`ns.forpsi.it`
		A	2a00:6d41:2:1::5 ^{🇮🇹 Aruba}
			PTR	`ns.forpsi.it`
		A	95.110.254.165^{🇮🇹 Aruba}
			PTR	`host165-254-110-95.serverdedicati.aruba.it`
NS	`ns.forpsi.net`
		A	2001:15e8:101:1::c282 ^{🇨🇿 INTERNET CZ}
			PTR	`ns.forpsi.net`
		A	81.2.194.130^{🇨🇿 INTERNET CZ}
			PTR	`ns.forpsi.net`
A	185.129.138.87^{🇨🇿 INTERNET CZ}
		PTR	`87.138.forpsi.net`

optimplan.cz

optimplan.cz

optimplan.cz resolves to a single IP: 185.129.138.87.

Other host names, for instance blonda.cz, madami.cz, skijizerky.cz, cadmech.pl and valo.cz share IP numbers with optimplan.cz.

optimplan.cz delegates to three name servers: ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.

optimplan.cz shares some name servers with other domains, for example away.cz, os-point.cz, entuzia.com, navysluni.cz and sthamer.sk.

These name servers are commonly used with the name servers ns.forpsi.us.

Host names with two IP numbers:

ns.forpsi.cz: 2001:15e8:201:1::d1b9 and 81.2.209.185

ns.forpsi.net: 2001:15e8:101:1::c282 and 81.2.194.130

optimplan.cz is handled by a single mail server, mxavas.forpsi.com.

optimplan.cz shares the mail server setup with other domains, for example polesisvatyjan.cz, plener.eu, citroenrk.cz, prostavig.cz and bizi.cz.

optimplan.cz shares at least some mail servers with other domains, for example plzenskakarta.cz.

dbq