WWW.RTSAK.COM - sigr.cz

Search for IP or hostnames:

sigr.cz checked at 2025-10-09T20:39:43.484Z 418ms 74/74/74 100% R:13

`sigr.cz`

MX	`vs1331.server4u.cz`
		A	2001:1568:93:47::1 ^{🇨🇿 WEB4U}
			PTR	`vs1331.server4u.cz`
		A	81.91.93.47^{🇨🇿 WEB4U}
			PTR	`vs1331.server4u.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`
A	2001:1568:f::190 ^{🇨🇿 WEB4U}
		PTR	`vs190.server4u.cz`
A	81.91.92.60^{🇨🇿 WEB4U}
		PTR	`vs190.server4u.cz`

`cz`

	NS	`a.ns.nic.cz`
	NS	`b.ns.nic.cz`
	NS	`c.ns.nic.cz`
	NS	`d.ns.nic.cz`

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AI analysis

sigr.cz resolves to two IP numbers: 2001:1568:f::190 and 81.91.92.60.

Other host names, for instance chotra.eu, vs190.server4u.cz, chotra.com, mail.a-n.cz and chotra.cz share IP numbers with sigr.cz.

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

sigr.cz uses the same name server setup as other domains, for example virtio.eu, ocenovani-nemovitosti.eu, maxcare.sk, cielo.cz and regent.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

sigr.cz is handled by a single mail server, vs1331.server4u.cz.

Host vs1331.server4u.cz resolves to two IPs: 2001:1568:93:47::1 and 81.91.93.47.

dbq