CF1762483727200-tsm20251105200708

WWW.RTSAK.COM - 203.137.in-addr.arpa

Search for IP or hostnames:

203.137.in-addr.arpa checked at 2025-11-07T02:48:47.193Z 400ms 36/36/36 100% R:12

203.137.in-addr.arpa

NScambridge.merl.com
A137.203.190.1🇺🇸 AS7355
PTRcambridge.merl.com
NSns1.merl.com
A137.203.5.1🇺🇸 AS7355
PTRns1.merl.com

137.in-addr.arpa

NSr.arin.net
NSu.arin.net
NSx.arin.net
NSy.arin.net
NSz.arin.net
NSarin.authdns.ripe.net

Starts with same word

Starts similarily

AI analysis

203.137.in-addr.arpa is delegated to two name servers cambridge.merl.com and ns1.merl.com.

203.137.in-addr.arpa at least partially shares name servers with other domains, for instance merl.com.

These name servers are commonly used with dnsauth1.sys.gtei.net, dnsauth2.sys.gtei.net and dnsauth3.sys.gtei.net.

Host names with one IP number:

cambridge.merl.com points to 137.203.190.1

ns1.merl.com points to 137.203.5.1

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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