CF1759916308082-tsm20251008082644

WWW.ROBTEX.COM - mail.opus4.com

Search for IP or hostnames:

mail.opus4.com checked at 2025-10-08T09:38:28.065Z 5379ms 185/185/185 100% R:19

mail.opus4.com

CNAMEopus4.com
NSdns3.easydns.ca
A2620:49:1::10🇨🇦 EDNS
PTRdns3.easydns.ca
PTRdns3.easydns.org
A64.68.192.10🇨🇦 EDNS
PTRdns3.easydns.ca
PTRdns3.easydns.org
NSdns1.easydns.com
A2620:49:3::10🇨🇦 EDNS
PTRdns1.easydns.com
A64.68.196.10🇨🇦 EDNS
PTRdns1.easydns.com
NSdns2.easydns.net
A2620:49:2::10🇨🇦 EDNS
PTRdns2.easydns.net
A64.68.193.10🇨🇦 EDNS
PTRdns2.easydns.net
MXopus4-com.p10.spamhero.com
A209.41.68.142🇺🇸 DataBank
PTRbolt113b.mxthunder.net
A216.172.106.29🇺🇸 zColo Dallas
MXopus4-com.p20.spamhero.net
A216.172.106.29🇺🇸 zColo Dallas
MXopus4-com.p30.spamhero.net
A209.41.68.142🇺🇸 DataBank
PTRbolt113b.mxthunder.net
MXopus4-com.p40.spamhero.net
A209.41.68.142🇺🇸 DataBank
PTRbolt113b.mxthunder.net
A216.172.106.29🇺🇸 zColo Dallas
A67.43.164.2🇺🇸 Xfernet
PTRcolo.opus4.com

opus4.com

NSdns3.easydns.ca
NSdns1.easydns.com
NSdns2.easydns.net
MXopus4-com.p10.spamhero.com
MXopus4-com.p20.spamhero.net
MXopus4-com.p30.spamhero.net
MXopus4-com.p40.spamhero.net
A67.43.164.2🇺🇸 Xfernet

Starts with same word

Starts similarily

AI analysis

mail.opus4.com points to a single IP address: 67.43.164.2.

Other host names such as colo.opus4.com and opus4.com share IP numbers with mail.opus4.com.

mail.opus4.com is delegated to three name servers: dns3.easydns.ca, dns1.easydns.com and dns2.easydns.net.

At least part of the name servers for mail.opus4.com are shared with other domains, for instance studytoronto.com, scoreadate.com, huttig.com, theaireygroup.com and apology.ca.

These name servers are commonly used alongside dns3.easydns.org and dns4.easydns.info.

Host names with two IP numbers:

dns3.easydns.ca points to 2620:49:1::10 and 64.68.192.10

dns1.easydns.com points to 2620:49:3::10 and 64.68.196.10

dns2.easydns.net points to 2620:49:2::10 and 64.68.193.10

mail.opus4.com is handled by four mail servers: opus4-com.p10.spamhero.com, opus4-com.p20.spamhero.net, opus4-com.p30.spamhero.net and opus4-com.p40.spamhero.net.

Some mail servers are shared between mail.opus4.com and other domains, for instance opus4.com.

Host names with two IP numbers:

opus4-com.p10.spamhero.com points to: 209.41.68.142 and 216.172.106.29

opus4-com.p40.spamhero.net points to: 209.41.68.142 and 216.172.106.29

Host names with one IP number:

opus4-com.p20.spamhero.net points to: 216.172.106.29

opus4-com.p30.spamhero.net points to: 209.41.68.142

Host names pointing to 209.41.68.142: opus4-com.p10.spamhero.com, opus4-com.p40.spamhero.net and opus4-com.p30.spamhero.net

Host names pointing to 216.172.106.29: opus4-com.p10.spamhero.com, opus4-com.p40.spamhero.net and opus4-com.p20.spamhero.net

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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