DNSWHOIS.INFO - checkbox.cz
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checkbox.cz checked at 2025-10-07T13:02:39.494Z 277ms 83/83/83 100% R:10checkbox.cz
| MX | mx.web4u.cz | ||||||
| A | 2001:1568::7012 🇨🇿 WEB4U | ||||||
| PTR | mx.web4u.cz | ||||||
| A | 81.91.87.12🇨🇿 WEB4U | ||||||
| PTR | mx.web4u.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::13 🇨🇿 WEB4U | ||||||
| PTR | php56.web4u.cz | ||||||
| A | 81.91.86.13🇨🇿 WEB4U | ||||||
| PTR | php56.web4u.cz | ||||||
cz
| NS | a.ns.nic.cz | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
Up
mail.checkbox.cz |
Starts with same word
Starts similarily
AI analysis
checkbox.cz is the parent of mail.checkbox.cz.
checkbox.cz resolves to two IPs: 2001:1568::13 and 81.91.86.13.
other host names for instance newwinery.com, repelentpredator.at, rigum.cz, sdhkozmice.cz and enetextep.com share IP numbers with checkbox.cz.
checkbox.cz is delegated to two name servers: ns2.web4u.cz and ns.web4u.cz.
checkbox.cz shares the same name server setup as other domains, for example chovatelska.cz, jecmen-fresh.cz, openpc.cz, yatun.cz and marais.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
checkbox.cz is handled by a single mail server, mx.web4u.cz.
checkbox.cz shares the same mail server setup as other domains, for instance pater.cz, goo-gone.eu, zkouska.cz, velmet.cz and charvathykom.org.
checkbox.cz shares some mail servers with other domains at least partially, for example creditcheck.cz.
Host mx.web4u.cz resolves to two IPs: 2001:1568::7012 and 81.91.87.12.