CF1763871922655-tsm20251123014954

NSLIST.NET - 21core.com

Search for IP or hostnames:

21core.com checked at 2025-11-23T04:25:22.633Z 216ms 124/124/124 100% R:12 allDone:true timedOut:false

21core.com

NSns-310.awsdns-38.com
A2600:9000:5301:3600::1 🇺🇸 Amazon
PTRns-310.awsdns-38.com
A205.251.193.54🇺🇸 Amazon
PTRns-310.awsdns-38.com
NSns-577.awsdns-08.net
A2600:9000:5302:4100::1 🇺🇸 Amazon
PTRns-577.awsdns-08.net
A205.251.194.65🇺🇸 Amazon
PTRns-577.awsdns-08.net
NSns-1278.awsdns-31.org
A2600:9000:5304:fe00::1 🇺🇸 Amazon
PTRns-1278.awsdns-31.org
A205.251.196.254🇺🇸 Amazon
PTRns-1278.awsdns-31.org
NSns-1926.awsdns-48.co.uk
A2600:9000:5307:8600::1 🇺🇸 Amazon
PTRns-1926.awsdns-48.co.uk
A205.251.199.134🇺🇸 Amazon
PTRns-1926.awsdns-48.co.uk
MX21core-com.mail.protection.outlook.com
A2a01:111:f403:ca04::2 🇮🇪 Microsoft
PTRmail-du2pr03cu00102.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
A2a01:111:f403:ca09::f 🇳🇱 Microsoft
PTRmail-am7pr05cu00307.inbound.protection.outlook.com
A52.101.68.0🇮🇪 Microsoft
PTRmail-db3pr0202cu00100.inbound.protection.outlook.com
A52.101.68.3🇮🇪 Microsoft
PTRmail-db7pr03cu00403.inbound.protection.outlook.com
A52.101.73.12🇳🇱 Microsoft
PTRmail-am4pr0401cu00104.inbound.protection.outlook.com
A52.101.73.21🇳🇱 Microsoft
PTRmail-as8pr05cu00205.inbound.protection.outlook.com
A192.0.78.12🇺🇸 Automattic
A192.0.78.13🇺🇸 Automattic

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AI analysis

21core.com is a parent of www.21core.com.

21core.com points to two IP numbers: 192.0.78.12 and 192.0.78.13.

Other host names such as xmlnews.org, lawrevision.state.ny.us, support.intensedebate.com, coop-access.fr and micheu.net share IP numbers with 21core.com.

21core.com is delegated to four name servers: ns-310.awsdns-38.com, ns-577.awsdns-08.net, ns-1278.awsdns-31.org and ns-1926.awsdns-48.co.uk.

At least part of the name servers for 21core.com are shared with other domains, for instance thirdbridge.ca, spartansfh.com, terrasafe-binat.com, dsre20gxxea06.cloudfront.net and multivers-software.nl.

these name servers are commonly used with the name servers ns-633.awsdns-15.net, ns-1423.awsdns-49.org, ns-1214.awsdns-23.org, ns-679.awsdns-20.net, ns-1775.awsdns-29.co.uk, ns-1223.awsdns-24.org, ns-764.awsdns-31.net, ns-1824.awsdns-36.co.uk, ns-87.awsdns-10.com and ns-483.awsdns-60.com.

Host names with two IP numbers:

ns-310.awsdns-38.com points to: 2600:9000:5301:3600::1 and 205.251.193.54

ns-577.awsdns-08.net points to: 2600:9000:5302:4100::1 and 205.251.194.65

ns-1278.awsdns-31.org points to: 2600:9000:5304:fe00::1 and 205.251.196.254

ns-1926.awsdns-48.co.uk points to: 2600:9000:5307:8600::1 and 205.251.199.134

The mail server for 21core.com is 21core-com.mail.protection.outlook.com.

21core-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::2, 2a01:111:f403:ca09::1, 2a01:111:f403:ca09::d, 2a01:111:f403:ca09::f, 52.101.68.0, 52.101.68.3, 52.101.73.12 and 52.101.73.21.

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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