WWW.RTSAK.COM - opt-systems.com

Search for IP or hostnames:

opt-systems.com checked at 2025-10-16T06:36:11.122Z 268ms 95/95/95 100% R:19

`opt-systems.com`

NS	`dns1.siel.si`
		A	2a02:28b0:53::53 ^{🇸🇮 SIEL}
			PTR	`dns1.siel.si`
		A	46.19.12.12^{🇸🇮 SIEL}
			PTR	`dns1.siel.si`
NS	`dns2.siel.si`
		A	46.19.13.13^{🇸🇮 SIEL}
			PTR	`dns2.siel.si`
NS	`dns3.siel.si`
		A	217.61.252.53^{🇸🇮 SIEL}
			PTR	`dns3.siel.si`
MX	`optsystems-com0i.mail.protection.outlook.com`
		A	2a01:111:f403:ca04::b ^{🇮🇪 Microsoft}
			PTR	`mail-dbbpr03cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::c ^{🇮🇪 Microsoft}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::9 ^{🇳🇱 Microsoft}
			PTR	`mail-as8pr04cu00801.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::d ^{🇳🇱 Microsoft}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	52.101.68.25^{🇮🇪 Microsoft}
			PTR	`mail-db8pr02cu00101.inbound.protection.outlook.com`
		A	52.101.68.36^{🇮🇪 Microsoft}
			PTR	`mail-db5pr02cu00104.inbound.protection.outlook.com`
		A	52.101.73.21^{🇳🇱 Microsoft}
			PTR	`mail-as8pr05cu00205.inbound.protection.outlook.com`
		A	52.101.73.28^{🇳🇱 Microsoft}
			PTR	`mail-am7pr05cu00204.inbound.protection.outlook.com`
A	185.29.16.100^{🇸🇮 Zabec.net}
		PTR	`natasa.zabec.net`

opt-systems.com

opt-systems.com

pto-systems.com

top-systems.jp

top-systems.nl

top-systems.eu

opt-systems.com points to a single 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, for instance dijaski.net, tatrenutek.si, gmajnica.com, ostervid.si and aquaviva.si.

Host names with two IPs:

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

Host names with one IP:

opt-systems.com is handled by a single mail server, optsystems-com0i.mail.protection.outlook.com.

Host name optsystems-com0i.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::b, 2a01:111:f403:ca04::c, 2a01:111:f403:ca09::9, 2a01:111:f403:ca09::d, 52.101.68.25, 52.101.68.36, 52.101.73.21 and 52.101.73.28.

dbq