DNSWHOIS.INFO - 20.139.91.in-addr.arpa
Search for IP or hostnames:
20.139.91.in-addr.arpa checked at 2025-10-22T15:19:56.062Z 560ms 50/50/50 100% R:1120.139.91.in-addr.arpa
| NS | freya.t-mobile.cz | ||||||
| A | 2001:1ae8:2:4060::1:f 🇨🇿 T-Mobile CZ AS13036 | ||||||
| PTR | freya.t-mobile.cz | ||||||
| A | 93.153.117.20🇨🇿 T-Mobile CZ AS13036 | ||||||
| PTR | freya.t-mobile.cz | ||||||
| NS | idunn.t-mobile.cz | ||||||
| A | 2001:1ae8:2:4010::1:f 🇨🇿 T-Mobile CZ AS13036 | ||||||
| PTR | idunn.t-mobile.cz | ||||||
| A | 93.153.117.50🇨🇿 T-Mobile CZ AS13036 | ||||||
| PTR | idunn.t-mobile.cz | ||||||
139.91.in-addr.arpa
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AI analysis
20.139.91.in-addr.arpa is a parent of 97.20.139.91.in-addr.arpa and 135.20.139.91.in-addr.arpa.
20.139.91.in-addr.arpa is delegated to two name servers: freya.t-mobile.cz and idunn.t-mobile.cz.
20.139.91.in-addr.arpa uses the same name server setup as other domains, including 36.179.193.in-addr.arpa, 200.13.46.in-addr.arpa, 21.24.89.in-addr.arpa, 54.48.37.in-addr.arpa and 241.13.46.in-addr.arpa.
At least part of the name servers for 20.139.91.in-addr.arpa are shared with other domains, for instance arbesgroup.com, mmsnasim.cz, t-press.cz, ateso.cz and t-mobile-tv.cz.
These name servers are often used together with eisa.telekom.sk, ns.arbes.com and ns.brano.cz.
Host names with two IP numbers:
freya.t-mobile.cz points to 2001:1ae8:2:4060::1:f and 93.153.117.20.
idunn.t-mobile.cz points to 2001:1ae8:2:4010::1:f and 93.153.117.50.