CF1763258888482-tsm20251109205412

DNSWHOIS.INFO - 121.121.87.in-addr.arpa

Search for IP or hostnames:

121.121.87.in-addr.arpa checked at 2025-11-16T02:08:08.438Z 840ms 97/97/97 100% R:24 allDone:true timedOut:false

121.121.87.in-addr.arpa

NSpns.neterra.net
A2a00:1728:34::5 🇧🇬 Neterra
PTRpns.neterra.net
A87.120.6.188🇧🇬 Neterra
PTRpns.neterra.net
NSsns.neterra.net
A2a00:1728:35::5 🇧🇬 Neterra
PTRsns.neterra.net
A212.73.138.44🇧🇬 Neterra
PTRsns.neterra.net
MXneterra-net.mail.protection.outlook.com
A2a01:111:f403:ca04::8 🇮🇪 Microsoft
PTRmail-db5pr02cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca04::10 🇮🇪 Microsoft
PTRmail-dbapr03cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca09::3 🇳🇱 Microsoft
PTRmail-am6pr04cu00303.inbound.protection.outlook.com
A2a01:111:f403:ca09::8 🇳🇱 Microsoft
PTRmail-as2pr05cu00100.inbound.protection.outlook.com
A52.101.68.18🇮🇪 Microsoft
PTRmail-db4pr02cu00302.inbound.protection.outlook.com
A52.101.73.6🇳🇱 Microsoft
PTRmail-am6pr04cu00306.inbound.protection.outlook.com
A52.101.73.12🇳🇱 Microsoft
PTRmail-am4pr0401cu00104.inbound.protection.outlook.com
A52.101.73.15🇳🇱 Microsoft
PTRmail-am9pr04cu00107.inbound.protection.outlook.com

121.87.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

121.121.87.in-addr.arpa is a parent of 5.121.121.87.in-addr.arpa, 2.121.121.87.in-addr.arpa and 4.121.121.87.in-addr.arpa.

Two name servers pns.neterra.net and sns.neterra.net handle delegation for 121.121.87.in-addr.arpa.

121.121.87.in-addr.arpa uses the same name server setup as other domains, for example 36.123.93.in-addr.arpa, 109.120.87.in-addr.arpa, 238.13.31.in-addr.arpa, 218.156.94.in-addr.arpa and 206.120.87.in-addr.arpa.

121.121.87.in-addr.arpa partially shares name servers with other domains; examples include telecompbg.com, deltastock.bg, yes.bg, poshta.net and deltastock.com.

Host names with two IP numbers:

pns.neterra.net points to: 2a00:1728:34::5 and 87.120.6.188

sns.neterra.net points to: 2a00:1728:35::5 and 212.73.138.44

121.121.87.in-addr.arpa is handled by a single mail server, neterra-net.mail.protection.outlook.com.

121.121.87.in-addr.arpa has the same mail server setup as other domains, including 0.121.87.in-addr.arpa, 219.13.31.in-addr.arpa, 156.120.87.in-addr.arpa, 217.156.94.in-addr.arpa and 198.92.91.in-addr.arpa.

121.121.87.in-addr.arpa shares some mail servers with other domains, at least partially, such as neterra.mobi, zabavno.tv, zabavno.org, zabavno.net and neterra.info.

These mail servers are often used with the mail servers mx.neterra.net.

Hostname neterra-net.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::8, 2a01:111:f403:ca04::10, 2a01:111:f403:ca09::3, 2a01:111:f403:ca09::8, 52.101.68.18, 52.101.73.6, 52.101.73.12 and 52.101.73.15.

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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