CF1763332763433-tsm20251116095642

WWW.RTSAK.COM - 21.137.90.in-addr.arpa

Search for IP or hostnames:

21.137.90.in-addr.arpa checked at 2025-11-16T22:39:23.295Z 863ms 47/47/47 100% R:11 allDone:true timedOut:false

21.137.90.in-addr.arpa

NSfalun.dns.swip.net
A2a00:801:103:8::f00d 🇸🇪 SWIPNET
PTRfalun.dns.swip.net
A192.71.220.13🇸🇪 SWIPNET
PTRfalun.dns.swip.net
NSpitea.dns.swip.net
A2a00:801:103:9::beef 🇸🇪 SWIPNET
PTRpitea.dns.swip.net
A192.71.180.43🇸🇪 SWIPNET
PTRpitea.dns.swip.net

137.90.in-addr.arpa

NSfalun.dns.swip.net
NSorebro.dns.swip.net

Starts with same word

Starts similarily

AI analysis

21.137.90.in-addr.arpa's delegation uses two name servers: falun.dns.swip.net and pitea.dns.swip.net.

21.137.90.in-addr.arpa uses the same name server setup as other domains, such as 68.216.77.in-addr.arpa, paralino.se, bdonordic.se, 54.216.77.in-addr.arpa and 39.128.91.in-addr.arpa.

21.137.90.in-addr.arpa at least partially shares name servers with other domains, including 42.247.212.in-addr.arpa, 240.21.81.in-addr.arpa, kabelvision.se, 2.186.83.in-addr.arpa and 255.191.83.in-addr.arpa.

These name servers are commonly used with wexio.dns.swip.net, kista.dns.swip.net, ystad.dns.swip.net, orebro.dns.swip.net, kalmar.dns.swip.net, malmoe.dns.swip.net, sunic.sunet.se, ns1.boras.se, ns2.boras.se and ns2.hb.se.

Host names with two IPs:

falun.dns.swip.net points to 2a00:801:103:8::f00d and 192.71.220.13

pitea.dns.swip.net points to 2a00:801:103:9::beef and 192.71.180.43

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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