WWW.ROBTEX.COM - spk.cz
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spk.cz checked at 2025-11-04T05:02:52.751Z 394ms 97/97/97 100% R:20spk.cz
| NS | ns4.selectsystem.cz | ||||||
| A | 188.116.64.9🇨🇿 SELECTSYSTEM-AS | ||||||
| PTR | ns4.selectsystem.cz | ||||||
| NS | ns5.selectsystem.cz | ||||||
| A | 188.116.65.9🇨🇿 SELECTSYSTEM-AS | ||||||
| PTR | ns5.selectsystem.cz | ||||||
| MX | mail-backup.spk.cz | ||||||
| A | 188.116.64.227🇨🇿 SELECTSYSTEM-AS | ||||||
| PTR | mail-backup.spk.cz | ||||||
| MX | mail.spk.cz | ||||||
| A | 188.116.64.226🇨🇿 SELECTSYSTEM-AS | ||||||
| PTR | mail.spk.cz | ||||||
| A | 188.116.64.200🇨🇿 SELECTSYSTEM-AS | ||||||
| PTR | delta.spk.cz | ||||||
cz
| NS | a.ns.nic.cz | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
Up
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mail-backup.spk.cz | 
delta.spk.cz | 
5zs.spk.cz | 
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Starts with same word
Starts similarily
AI analysis
spk.cz has children including proxima.spk.cz, spk-pri-rtr.spk.cz, support.spk.cz, mail.spk.cz, post-backup.spk.cz and a few other host names.
spk.cz points to a single IP address: 188.116.64.200.
Other host names, for instance irea.cz, delta.spk.cz, hittrio.cz and klub-harlem.cz share IP numbers with spk.cz.
spk.cz is delegated to two name servers: ns4.selectsystem.cz and ns5.selectsystem.cz.
spk.cz uses the same name server setup as other domains, including 89.116.188.in-addr.arpa, ssspzabreh.cz, 120.116.188.in-addr.arpa, knihovnaspk.cz and 91.116.188.in-addr.arpa.
Hostnames with a single IP
ns4.selectsystem.cz resolves to: 188.116.64.9.
ns5.selectsystem.cz resolves to: 188.116.65.9.
spk.cz is handled by two mail servers: mail-backup.spk.cz and mail.spk.cz.
spk.cz uses the same mail server setup as other domains, for instance selectsystem.cz, zeleznice-desna.cz, zeleznicedesna.cz, comec.cz and knihovnaspk.cz. 
spk.cz shares at least some mail servers with other domains, for example ttbazar.cz, irea.cz, balty.cz, aquacentrum.net and hittrio.cz.
Hostnames with a single IP
mail-backup.spk.cz resolves to: 188.116.64.227.
mail.spk.cz resolves to: 188.116.64.226.