CF1763363324610-tsm20251116095642

MXLIST.NET - 51.20.133.in-addr.arpa

Search for IP or hostnames:

51.20.133.in-addr.arpa checked at 2025-11-17T07:08:44.558Z 1237ms 42/42/42 100% R:14 allDone:true timedOut:false

51.20.133.in-addr.arpa

NSmedia.im.dendai.ac.jp
A133.20.48.123🇯🇵 National Institute of Informatics
PTRmedia.im.dendai.ac.jp
NSearth.mlab.im.dendai.ac.jp
A133.20.51.253🇯🇵 National Institute of Informatics
PTRearth.mlab.im.dendai.ac.jp

20.133.in-addr.arpa

NSns.dendai.ac.jp
NSsun0.dendai.ac.jp
NSdns-x.sinet.ad.jp

Up

Starts with same word

Starts similarily

AI analysis

51.20.133.in-addr.arpa is the parent of 253.51.20.133.in-addr.arpa.

51.20.133.in-addr.arpa is delegated to two name servers media.im.dendai.ac.jp and earth.mlab.im.dendai.ac.jp.

51.20.133.in-addr.arpa uses the same name server configuration as other domains, such as mlab.im.dendai.ac.jp.

51.20.133.in-addr.arpa shares at least some name servers with other domains, for example 52.20.133.in-addr.arpa, im.dendai.ac.jp and 48.20.133.in-addr.arpa.

these name servers are commonly used alongside ns.dendai.ac.jp.

Host names with one IP number:

media.im.dendai.ac.jp points to 133.20.48.123

earth.mlab.im.dendai.ac.jp points to 133.20.51.253

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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