CF1761567127464-tsm20251027103946

DNSWHOIS.INFO - holert.us

Search for IP or hostnames:

holert.us checked at 2025-10-27T12:12:07.448Z 230ms 105/105/105 100% R:18

holert.us

NSns1199.dns.dyn.com
A2600:2000:2100::c9 🇺🇸 Oracle Cloud Infrastructure
PTRns1.p201.dns.oraclecloud.net
A108.59.166.201🇺🇸 Oracle Cloud Infrastructure
PTRns1.p201.dns.oraclecloud.net
NSns2179.dns.dyn.com
A2600:2000:2110::c9 🇺🇸 Oracle Cloud Infrastructure
PTRns2.p201.dns.oraclecloud.net
A108.59.168.201🇺🇸 Oracle Cloud Infrastructure
PTRns2.p201.dns.oraclecloud.net
NSns3151.dns.dyn.com
A2600:2000:2120::c9 🇺🇸 Oracle Cloud Infrastructure
PTRns3.p201.dns.oraclecloud.net
A108.59.170.201🇺🇸 Oracle Cloud Infrastructure
PTRns3.p201.dns.oraclecloud.net
NSns4132.dns.dyn.com
A2600:2000:2130::c9 🇺🇸 Oracle Cloud Infrastructure
PTRns4.p201.dns.oraclecloud.net
A108.59.172.201🇺🇸 Oracle Cloud Infrastructure
PTRns4.p201.dns.oraclecloud.net
MXholert-us.mail.protection.outlook.com
A2a01:111:f403:ca04::4 🇮🇪 Microsoft
PTRmail-db4pr02cu00204.inbound.protection.outlook.com
A2a01:111:f403:ca04::b 🇮🇪 Microsoft
PTRmail-dbbpr03cu00103.inbound.protection.outlook.com
A2a01:111:f403:ca09::6 🇳🇱 Microsoft
PTRmail-am4pr0401cu00106.inbound.protection.outlook.com
A2a01:111:f403:ca09::d 🇳🇱 Microsoft
PTRmail-as9pr05cu01305.inbound.protection.outlook.com
A52.101.68.15🇮🇪 Microsoft
PTRmail-db6pr03cu00107.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
A52.101.73.21🇳🇱 Microsoft
PTRmail-as8pr05cu00205.inbound.protection.outlook.com

us

NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us

Starts with same word

Starts similarily

AI analysis

holert.us is delegated to four name servers: ns1199.dns.dyn.com, ns2179.dns.dyn.com, ns3151.dns.dyn.com and ns4132.dns.dyn.com.

holert.us at least partially shares its name servers with other domains, for instance kulema.com, mynetguy.net, deivis.org, vvsystems.org and bizcubed.com.au.

These name servers are commonly used with ns2132.dns.dyn.com, ns1163.dns.dyn.com, ns2160.dns.dyn.com, ns3154.dns.dyn.com, ns4158.dns.dyn.com, ns4136.dns.dyn.com, ns2169.dns.dyn.com, ns3156.dns.dyn.com, ns2164.dns.dyn.com and ns4164.dns.dyn.com.

Host names with two IPs: ns1199.dns.dyn.com points to 2600:2000:2100::c9 and 108.59.166.201; ns2179.dns.dyn.com points to 2600:2000:2110::c9 and 108.59.168.201; ns3151.dns.dyn.com points to 2600:2000:2120::c9 and 108.59.170.201; ns4132.dns.dyn.com points to 2600:2000:2130::c9 and 108.59.172.201.

holert.us is served by a single mail server, holert-us.mail.protection.outlook.com.

The host name holert-us.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:ca04::4, 2a01:111:f403:ca04::b, 2a01:111:f403:ca09::6, 2a01:111:f403:ca09::d, 52.101.68.15, 52.101.68.27, 52.101.68.29 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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