CF1760781902484-tsm20251017082432

IPLIST.NET - opt-systems.com

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opt-systems.com checked at 2025-10-18T10:05:02.473Z 279ms 95/95/95 100% R:14

opt-systems.com

NSdns1.siel.si
A2a02:28b0:53::53 🇸🇮 SIEL
PTRdns1.siel.si
A46.19.12.12🇸🇮 SIEL
PTRdns1.siel.si
NSdns2.siel.si
A46.19.13.13🇸🇮 SIEL
PTRdns2.siel.si
NSdns3.siel.si
A217.61.252.53🇸🇮 SIEL
PTRdns3.siel.si
MXoptsystems-com0i.mail.protection.outlook.com
A2a01:111:f403:ca04::1 🇮🇪 Microsoft
PTRmail-db7pr03cu00401.inbound.protection.outlook.com
A2a01:111:f403:ca09::5 🇳🇱 Microsoft
PTRmail-am1pr04cu00105.inbound.protection.outlook.com
A2a01:111:f403:ca09::7 🇳🇱 Microsoft
PTRmail-am9pr04cu00107.inbound.protection.outlook.com
A2a01:111:f403:ca09::e 🇳🇱 Microsoft
PTRmail-am7pr05cu00206.inbound.protection.outlook.com
A52.101.68.12🇮🇪 Microsoft
PTRmail-db9pr02cu00204.inbound.protection.outlook.com
A52.101.68.25🇮🇪 Microsoft
PTRmail-db8pr02cu00101.inbound.protection.outlook.com
A52.101.73.4🇳🇱 Microsoft
PTRmail-am0pr83cu00404.inbound.protection.outlook.com
A52.101.73.6🇳🇱 Microsoft
PTRmail-am6pr04cu00306.inbound.protection.outlook.com
A185.29.16.100🇸🇮 Zabec.net
PTRnatasa.zabec.net

com

NSa.gtld-servers.net
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

Starts with same word

Starts similarily

AI analysis

opt-systems.com resolves to one IP number: 185.29.16.100.

Other host names, for instance mail.interal.si, www.regina.si, pond.si, sindirela.si and _dc-mx.cdb5869d78bc.compmarket.eu share IP numbers with opt-systems.com.

opt-systems.com is delegated to three name servers: dns1.siel.si, dns2.siel.si and dns3.siel.si.

opt-systems.com at least partially shares name servers with other domains, including dijaski.net, tatrenutek.si, gmajnica.com, ostervid.si and aquaviva.si.

Host names with two IP numbers:

dns1.siel.si points to: 2a02:28b0:53::53 and 46.19.12.12.

Host names with one IP number:

dns2.siel.si points to: 46.19.13.13.

dns3.siel.si points to: 217.61.252.53.

A single mail server handles opt-systems.com, optsystems-com0i.mail.protection.outlook.com.

Host optsystems-com0i.mail.protection.outlook.com points to eight IPs: 2a01:111:f403:ca04::1, 2a01:111:f403:ca09::5, 2a01:111:f403:ca09::7, 2a01:111:f403:ca09::e, 52.101.68.12, 52.101.68.25, 52.101.73.4 and 52.101.73.6.

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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fEYHwtR CF johedugfp 2025-10-18