CF1761186016778-tsm20251017082432

WWW.RTSAK.COM - greycastle.com

Search for IP or hostnames:

greycastle.com checked at 2025-10-23T02:20:16.750Z 217ms 105/105/105 100% R:13

greycastle.com

NSns1-37.azure-dns.com
A2603:1061:0:10::25 🇺🇸 Microsoft
PTRns1-37.azure-dns.com
A150.171.10.37🇺🇸 Microsoft
PTRns1-37.azure-dns.com
NSns4-37.azure-dns.info
A2620:1ec:bda:10::25 🇺🇸 Microsoft
PTRns4-37.azure-dns.info
A13.107.206.37🇺🇸 Microsoft
PTRns4-37.azure-dns.info
NSns2-37.azure-dns.net
A2620:1ec:8ec:10::25 🇺🇸 Microsoft
PTRns2-37.azure-dns.net
A150.171.16.37🇺🇸 Microsoft
PTRns2-37.azure-dns.net
NSns3-37.azure-dns.org
A2a01:111:4000:10::25 🇬🇧 Microsoft
PTRns3-37.azure-dns.org
A13.107.222.37🇺🇸 Microsoft
PTRns3-37.azure-dns.org
MXgreycastle-com.mail.protection.outlook.com
A2a01:111:f403:ca04::a 🇮🇪 Microsoft
PTRmail-du0pr03cu00102.inbound.protection.outlook.com
A2a01:111:f403:ca04::f 🇮🇪 Microsoft
PTRmail-db7pr03cu00507.inbound.protection.outlook.com
A2a01:111:f403:ca09::1 🇳🇱 Microsoft
PTRmail-as9pr07cu00301.inbound.protection.outlook.com
A2a01:111:f403:ca09::d 🇳🇱 Microsoft
PTRmail-as9pr05cu01305.inbound.protection.outlook.com
A52.101.68.10🇮🇪 Microsoft
PTRmail-dbbpr03cu00102.inbound.protection.outlook.com
A52.101.68.27🇮🇪 Microsoft
PTRmail-db7pr03cu00503.inbound.protection.outlook.com
A52.101.68.29🇮🇪 Microsoft
PTRmail-dbapr03cu00105.inbound.protection.outlook.com
A52.101.68.32🇮🇪 Microsoft
PTRmail-db3pr0202cu00200.inbound.protection.outlook.com

com

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NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net

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AI analysis

The parent of autodiscover.greycastle.com is greycastle.com.

greycastle.com is delegated to four name servers: ns1-37.azure-dns.com, ns4-37.azure-dns.info, ns2-37.azure-dns.net and ns3-37.azure-dns.org.

greycastle.com shares name servers with other domains at least partially, for instance directair.com.au, eatc.com.cn, solrif.ch, oris.ch and kaplans.se.

Host names with two IP numbers:

ns1-37.azure-dns.com resolves to 2603:1061:0:10::25 and 150.171.10.37.

ns4-37.azure-dns.info resolves to 2620:1ec:bda:10::25 and 13.107.206.37.

ns2-37.azure-dns.net resolves to 2620:1ec:8ec:10::25 and 150.171.16.37.

ns3-37.azure-dns.org resolves to 2a01:111:4000:10::25 and 13.107.222.37.

The mail server for greycastle.com is greycastle-com.mail.protection.outlook.com.

Host greycastle-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::a, 2a01:111:f403:ca04::f, 2a01:111:f403:ca09::1, 2a01:111:f403:ca09::d, 52.101.68.10, 52.101.68.27, 52.101.68.29 and 52.101.68.32.

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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