ROBTEX.COM - instructor.cz
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instructor.cz checked at 2025-12-19T10:22:28.896Z 3284ms 86/86/86 100% R:20 allDone:true timedOut:false instructor.cz
| NS | ns1.ignum.com | ||||||
| A | 2a00:1e40:a:53::5🇸🇰 Webglobe, a.s. | ||||||
| PTR | ns1-bra.core.webglobe.com | ||||||
| A | 185.65.223.35🇸🇰 Webglobe, a.s. | ||||||
| PTR | ns1-bra.core.webglobe.com | ||||||
| NS | ns2.ignum.cz | ||||||
| A | 2001:1ab0:7e1e:2::5🇨🇿 Webglobe | ||||||
| PTR | ns2-prg.core.webglobe.com | ||||||
| A | 217.31.48.201🇨🇿 Webglobe | ||||||
| PTR | ns2-prg.core.webglobe.com | ||||||
| MX | mx0.fortion.net | ||||||
| A | 185.175.87.39🇨🇿 Fortion | ||||||
| MX | mx1.fortion.net | ||||||
| A | 185.175.87.53🇨🇿 Fortion | ||||||
| MX | mx2.fortion.net | ||||||
| A | 185.175.87.53🇨🇿 Fortion | ||||||
| A | 149.62.148.12🇨🇿 MasterDC | ||||||
| PTR | d8106.masterinter.net | ||||||
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mail.instructor.cz |
Starts with same word
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AI analysis
instructor.cz is parent of mail.instructor.cz.
instructor.cz points to a single IP: 149.62.148.12.
Other host names, for instance ares-group.cz, medbook.cz, prevent.cz, notix.cz and complus.cz share IP numbers with instructor.cz.
instructor.cz's delegation is to two name servers ns1.ignum.com and ns2.ignum.cz.
instructor.cz shares the same name server configuration as other domains, such as f2.cz, gameexpress.cz, vodarna.cz, sorm.biz and centrolat.sk.
instructor.cz shares name servers with other domains to some extent, for instance vsprednasky.cz, inventix.cz, swlab.eu and prius.cz.
Host names with two IP numbers: ns1.ignum.com points to 2a00:1e40:a:53::5 and 185.65.223.35; ns2.ignum.cz points to 2001:1ab0:7e1e:2::5 and 217.31.48.201
instructor.cz is handled by three mail servers: mx0.fortion.net, mx1.fortion.net and mx2.fortion.net.
instructor.cz shares some mail servers with other domains, including dovolenavcr.cz, fortion.eu, e-jidelnicek.cz, wilens.cz and kampanila.cz.
Host names with one IP number:
The host name mx0.fortion.net points to: 185.175.87.39.
The host name mx1.fortion.net points to: 185.175.87.53.
The host name mx2.fortion.net points to: 185.175.87.53.
Host names that point to 185.175.87.53: mx1.fortion.net and mx2.fortion.net.