CF1763339184109-tsm20251116095642

DNSWHOIS.INFO - 121.211.141.in-addr.arpa

Search for IP or hostnames:

121.211.141.in-addr.arpa checked at 2025-11-17T00:26:24.055Z 857ms 53/53/53 100% R:12 allDone:true timedOut:false

121.211.141.in-addr.arpa

NSdns3.umich.org
A18.225.0.3🇺🇸 Amazon
PTRec2-18-225-0-3.us-east-2.compute.amazonaws.com
NSdns1.itd.umich.edu
A2607:f018:fffd:53::2 🇺🇸 UMICH-ASN1
PTRns-bin-arbl-1-2022.umnet.umich.edu
A192.12.80.214🇺🇸 UMICH-ASN1
PTRns-bin-arbl-1-2022.umnet.umich.edu
NSdns2.itd.umich.edu
A2607:f018:fffd:53::12 🇺🇸 UMICH-ASN1
PTRns-bin-seb-1-2022.umnet.umich.edu
A192.12.80.222🇺🇸 UMICH-ASN1
PTRns-bin-seb-1-2022.umnet.umich.edu

211.141.in-addr.arpa

NSdns3.umich.org
NSdns1.itd.umich.edu
NSdns2.itd.umich.edu

Up

Starts with same word

Starts similarily

AI analysis

121.211.141.in-addr.arpa is a parent of 0.121.211.141.in-addr.arpa.

The delegation for 121.211.141.in-addr.arpa is handled by three name servers: dns3.umich.org, dns1.itd.umich.edu and dns2.itd.umich.edu.

121.211.141.in-addr.arpa at least partially shares name servers with other domains, for instance 75.194.67.in-addr.arpa, vpcomm.umich.edu, its.umich.edu, 5.211.141.in-addr.arpa and gobluephotos.com.

These name servers are commonly used with the name servers dns4.umich.org.

Host names with two IP numbers:

dns1.itd.umich.edu points to: 2607:f018:fffd:53::2 and 192.12.80.214

dns2.itd.umich.edu points to: 2607:f018:fffd:53::12 and 192.12.80.222

Host names with one IP number:

dns3.umich.org points to: 18.225.0.3

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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